STRATEGY STUDIO / PUBLIC DATA EXPLORER

INTERNATIONAL SOCIETY OF ARBORICULTURE: Form 990, tax year 2024

View the entire original 990 at ProPublica ↗

Organization
INTERNATIONAL SOCIETY OF ARBORICULTURE (EIN 37-1004119)
Tax period
2024-01-01 to 2024-12-31
Filed
2025-10-23
IRS object ID
202512969349302071
Schema version
2024v5.2
Source
Download XML · Original 990 at ProPublica

Every field in the e-filed return. Faint text is the IRS element name, for citing.

Return header ReturnHeader

FieldValueIRS element (for citing)
Return2025-10-23T16:27:52-05:00ReturnTs
Tax Period End2024-12-31TaxPeriodEndDt

Preparer Firm PreparerFirmGrp

FieldValueIRS element (for citing)
Preparer Firm EIN582487348PreparerFirmEIN

Preparer Firm Name PreparerFirmName

FieldValueIRS element (for citing)
Business Name Line1Aprio Advisory Group LLCBusinessNameLine1Txt

Preparer US Address PreparerUSAddress

FieldValueIRS element (for citing)
Address Line12002 Summit Boulevard Suite 120AddressLine1Txt
CityAtlantaCityNm
State AbbreviationGAStateAbbreviationCd
ZIP30319ZIPCd
FieldValueIRS element (for citing)
Return Type990ReturnTypeCd
Tax Period Begin2024-01-01TaxPeriodBeginDt

Filer Filer

FieldValueIRS element (for citing)
EIN371004119EIN

Business Name BusinessName

FieldValueIRS element (for citing)
Business Name Line1International Society of ArboricultureBusinessNameLine1Txt
FieldValueIRS element (for citing)
Business Name ControlINTEBusinessNameControlTxt
Phone4048929651PhoneNum

US Address USAddress

FieldValueIRS element (for citing)
Address Line1270 Peachtree Street NW 1900AddressLine1Txt
CityAtlantaCityNm
State AbbreviationGAStateAbbreviationCd
ZIP30303ZIPCd

Business Officer BusinessOfficerGrp

FieldValueIRS element (for citing)
PersonCaitlyn PollihanPersonNm
Person TitleCEO & Executive DirectorPersonTitleTxt
Phone4048929651PhoneNum
Signature2025-10-13SignatureDt
Discuss With Paid PreparerYes (1)DiscussWithPaidPreparerInd
FieldValueIRS element (for citing)
IRS Responsible Prty Info CurrYes (1)IRSResponsiblePrtyInfoCurrInd

Preparer Person PreparerPersonGrp

FieldValueIRS element (for citing)
Preparer PersonStacy CullenPreparerPersonNm
PTINP00974308PTIN
Phone4048929651PhoneNum
Preparation2025-10-13PreparationDt
FieldValueIRS element (for citing)
Tax2024TaxYr
Build TS2025-03-06 01:10:19ZBuildTS

Form 990 IRS990

FieldValueIRS element (for citing)
Principal OfficerCaitlyn PollihanPrincipalOfficerNm

US Address USAddress

FieldValueIRS element (for citing)
Address Line1270 Peachtree Street NW 1900AddressLine1Txt
CityAtlantaCityNm
State AbbreviationGAStateAbbreviationCd
ZIP30303ZIPCd
FieldValueIRS element (for citing)
Gross Receipts$12,913,147GrossReceiptsAmt
Group Return For Affiliates0GroupReturnForAffiliatesInd
Organization501cYes (X)Organization501cInd
Website Addresswww.isa-arbor.comWebsiteAddressTxt
Type Of Organization CorpYes (X)TypeOfOrganizationCorpInd
Formation1924FormationYr
Legal Domicile StateILLegalDomicileStateCd
Activity Or MissionThrough research, technology, and education, the International Society of Arboriculture (ISA) will promote the professional practice of arboriculture and foster a greater worldwide awareness of the benefits of trees.ActivityOrMissionDesc
Voting Members Governing Body15VotingMembersGoverningBodyCnt
Voting Members Independent15VotingMembersIndependentCnt
Total Employee42TotalEmployeeCnt
Total Volunteers1300TotalVolunteersCnt
Total Gross UBI$64,719TotalGrossUBIAmt
Net Unrelated Bus Txbl Incm$0NetUnrelatedBusTxblIncmAmt
PY Contributions Grants$3,040,586PYContributionsGrantsAmt
CY Contributions Grants$3,063,393CYContributionsGrantsAmt
PY Program Service Revenue$5,584,546PYProgramServiceRevenueAmt
CY Program Service Revenue$5,937,296CYProgramServiceRevenueAmt
PY Investment Income$128,418PYInvestmentIncomeAmt
CY Investment Income$736,257CYInvestmentIncomeAmt
PY Other Revenue$1,993,730PYOtherRevenueAmt
CY Other Revenue$1,836,984CYOtherRevenueAmt
PY Total Revenue$10,747,280PYTotalRevenueAmt
CY Total Revenue$11,573,930CYTotalRevenueAmt
PY Grants And Similar Paid$60,781PYGrantsAndSimilarPaidAmt
CY Grants And Similar Paid$61,268CYGrantsAndSimilarPaidAmt
PY Benefits Paid To Members$0PYBenefitsPaidToMembersAmt
CY Benefits Paid To Members$0CYBenefitsPaidToMembersAmt
PY Salaries Comp Emp Bnft Paid$1,220,938PYSalariesCompEmpBnftPaidAmt
CY Salaries Comp Emp Bnft Paid$1,401,828CYSalariesCompEmpBnftPaidAmt
PY Total Prof Fndrsng Expns$0PYTotalProfFndrsngExpnsAmt
CY Total Prof Fndrsng Expns$0CYTotalProfFndrsngExpnsAmt
CY Total Fundraising Expense$0CYTotalFundraisingExpenseAmt
PY Other Expenses$8,600,866PYOtherExpensesAmt
CY Other Expenses$9,211,805CYOtherExpensesAmt
PY Total Expenses$9,882,585PYTotalExpensesAmt
CY Total Expenses$10,674,901CYTotalExpensesAmt
PY Revenues Less Expenses$864,695PYRevenuesLessExpensesAmt
CY Revenues Less Expenses$899,029CYRevenuesLessExpensesAmt
Total Assets BOY$14,385,560TotalAssetsBOYAmt
Total Assets EOY$15,617,040TotalAssetsEOYAmt
Total Liabilities BOY$4,978,510TotalLiabilitiesBOYAmt
Total Liabilities EOY$4,709,644TotalLiabilitiesEOYAmt
Net Assets Or Fund Balances BOY$9,407,050NetAssetsOrFundBalancesBOYAmt
Net Assets Or Fund Balances EOY$10,907,396NetAssetsOrFundBalancesEOYAmt
MissionThrough research, technology, and education, the International Society of Arboriculture will promote the professional practice of arboriculture and foster a greater worldwide awareness of the benefits of trees.MissionDesc
Significant New Program Srvc0SignificantNewProgramSrvcInd
Significant Change0SignificantChangeInd
Expense$3,608,820ExpenseAmt
Revenue$4,911,496RevenueAmt
DescCredentialing - Provide certification examination services for potential candidates and recertification services to existing credentials to support the professional development of the arborists. the credentialing program serves over 61,000 credentials in 45 countries. ISA certification programs managed over 600,000 continuing education units submitted by various credential holders. ISA provides qualification training workshops and credential testing services for participants.Desc

Prog Srvc Accom Acty2 ProgSrvcAccomActy2Grp

FieldValueIRS element (for citing)
Expense$472,303ExpenseAmt
Revenue$1,718,933RevenueAmt
DescEducational Products and Services - EPS manages the development and production of monthly publications for isa members, to disseminate timely and relevant articles, news, information, and research regarding trees and tree care. EGS develops and distributes educational materials for the industry, including publications, workshop curriculum, online learning courses, podcasts, and consumer and industry brochures. 6 issues of the arborist news were published, 6 issues of the arboriculture and urban forestry journal were published, and 3new publications were published: tree injection BMP, Arborists' certification study guide and ITCC rule book.Desc

Prog Srvc Accom Acty3 ProgSrvcAccomActy3Grp

FieldValueIRS element (for citing)
Expense$1,674,026ExpenseAmt
Revenue$1,025,800RevenueAmt
DescEvents - Operate educational events, including training workshops, conferences, tradeshows, and symposiums, to provide information regarding tree related subjects to members and attendees. ISA held it's Annual Conference and Trade Show in Atlanta in 2024. ISA provides for the International Tree Climbing Championship, North American Tree Climbing Competition, European Tree Climbing Competition, Asia-Pacific Tree Climbing Competition, and Latin America Tree Climbing Competition to highlight and demonstrate the various skills of arboricultural practitioners and tree climbing and creating awareness about the importance of trees and tree care to the public.Desc

Prog Srvc Accom Acty Other ProgSrvcAccomActyOtherGrp

FieldValueIRS element (for citing)
Expense$1,176,888ExpenseAmt
Grant$61,268GrantAmt
Revenue$49,107RevenueAmt
FieldValueIRS element (for citing)
Total Other Prog Srvc Expense$1,176,888TotalOtherProgSrvcExpenseAmt
Total Other Prog Srvc Grant$61,268TotalOtherProgSrvcGrantAmt
Total Other Prog Srvc Revenue$49,107TotalOtherProgSrvcRevenueAmt
Total Program Service Expenses$6,932,037TotalProgramServiceExpensesAmt
Described In Section501c30DescribedInSection501c3Ind
Schedule B Required0ScheduleBRequiredInd
Political Campaign Acty0PoliticalCampaignActyInd
Subject To Proxy Tax0SubjectToProxyTaxInd
Donor Advised Fund0DonorAdvisedFundInd
Conservation Easements0ConservationEasementsInd
Collections Of Art0CollectionsOfArtInd
Credit Counseling0CreditCounselingInd
Donor Rstr Or Quasi Endowments0DonorRstrOrQuasiEndowmentsInd
Report Land Building EquipmentYes (1)ReportLandBuildingEquipmentInd
Report Investments Other Sec0ReportInvestmentsOtherSecInd
Report Program Related Invst0ReportProgramRelatedInvstInd
Report Other AssetsYes (1)ReportOtherAssetsInd
Report Other LiabilitiesYes (1)ReportOtherLiabilitiesInd
Include FIN48 FootnoteYes (1)IncludeFIN48FootnoteInd
Independent Audit Fincl StmtYes (1)IndependentAuditFinclStmtInd
Consolidated Audit Fincl Stmt0ConsolidatedAuditFinclStmtInd
School Operating0SchoolOperatingInd
Foreign Office0ForeignOfficeInd
Foreign ActivitiesYes (1)ForeignActivitiesInd
More Than5000 K To Org0MoreThan5000KToOrgInd
More Than5000 K To Individuals0MoreThan5000KToIndividualsInd
Professional Fundraising0ProfessionalFundraisingInd
Fundraising Activities0FundraisingActivitiesInd
Gaming Activities0GamingActivitiesInd
Operate Hospital0OperateHospitalInd
Grants To OrganizationsYes (1)GrantsToOrganizationsInd
Grants To Individuals0GrantsToIndividualsInd
Schedule J RequiredYes (1)ScheduleJRequiredInd
Tax Exempt Bonds0TaxExemptBondsInd
Loan Outstanding0LoanOutstandingInd
Grant To Related Person0GrantToRelatedPersonInd
Business Rln With Org Mem0BusinessRlnWithOrgMemInd
Business Rln With Fam Mem0BusinessRlnWithFamMemInd
Business Rln With35 Ctrl Ent0BusinessRlnWith35CtrlEntInd
Deductible Non Cash Contri0DeductibleNonCashContriInd
Deductible Art Contribution0DeductibleArtContributionInd
Terminate Operations0TerminateOperationsInd
Partial Liquidation0PartialLiquidationInd
Disregarded Entity0DisregardedEntityInd
Related Entity0RelatedEntityInd
Related Organization Ctrl Ent0RelatedOrganizationCtrlEntInd
Activities Conducted Prtshp0ActivitiesConductedPrtshpInd
Schedule O RequiredYes (1)ScheduleORequiredInd
IRP Document54IRPDocumentCnt
IRP Document W2 G0IRPDocumentW2GCnt
Backup Wthld ComplianceYes (1)BackupWthldComplianceInd
Employee42EmployeeCnt
Employment Tax Returns FiledYes (1)EmploymentTaxReturnsFiledInd
Unrelated Bus Incm Over LimitYes (1)UnrelatedBusIncmOverLimitInd
Form990 T FiledYes (1)Form990TFiledInd
Foreign Financial Account0ForeignFinancialAccountInd
Prohibited Tax Shelter Trans0ProhibitedTaxShelterTransInd
Taxable Party Notification0TaxablePartyNotificationInd
Nondeductible Contributions0NondeductibleContributionsInd
Quid Pro Quo Contributions0QuidProQuoContributionsInd
Form8282 Property Disposed Of0Form8282PropertyDisposedOfInd
Rcv Fnds To Pay Prsnl Bnft Cntrct0RcvFndsToPayPrsnlBnftCntrctInd
Pay Premiums Prsnl Bnft Cntrct0PayPremiumsPrsnlBnftCntrctInd
Indoor Tanning Services0IndoorTanningServicesInd
Subj To Tax Rmnrtn Ex Prcht Pymt0SubjToTaxRmnrtnExPrchtPymtInd
Subject To Excs Tax Net Invst Inc0SubjectToExcsTaxNetInvstIncInd
Info In Schedule O Part VIYes (X)InfoInScheduleOPartVIInd
Governing Body Voting Members15GoverningBodyVotingMembersCnt
Independent Voting Member15IndependentVotingMemberCnt
Family Or Business Rln0FamilyOrBusinessRlnInd
Delegation Of Mgmt Duties0DelegationOfMgmtDutiesInd
Change To Org Documents0ChangeToOrgDocumentsInd
Material Diversion Or Misuse0MaterialDiversionOrMisuseInd
Members Or StockholdersYes (1)MembersOrStockholdersInd
Election Of Board MembersYes (1)ElectionOfBoardMembersInd
Decisions Subject To Approva0DecisionsSubjectToApprovaInd
Minutes Of Governing BodyYes (1)MinutesOfGoverningBodyInd
Minutes Of CommitteesYes (1)MinutesOfCommitteesInd
Officer Mailing Address0OfficerMailingAddressInd
Local ChaptersYes (1)LocalChaptersInd
Policies Reference ChaptersYes (1)PoliciesReferenceChaptersInd
Form990 Provided To Gvrn BodyYes (1)Form990ProvidedToGvrnBodyInd
Conflict Of Interest PolicyYes (1)ConflictOfInterestPolicyInd
Annual Disclosure Covered PrsnYes (1)AnnualDisclosureCoveredPrsnInd
Regular Monitoring EnfrcYes (1)RegularMonitoringEnfrcInd
Whistleblower PolicyYes (1)WhistleblowerPolicyInd
Document Retention PolicyYes (1)DocumentRetentionPolicyInd
Compensation Process CEOYes (1)CompensationProcessCEOInd
Compensation Process OtherYes (1)CompensationProcessOtherInd
Investment In Joint Venture0InvestmentInJointVentureInd
States Where Copy Of Return Is FldGAStatesWhereCopyOfReturnIsFldCd
Upon RequestYes (X)UponRequestInd

Books In Care Of Detail BooksInCareOfDetail

Business Name BusinessName

FieldValueIRS element (for citing)
Business Name Line1The OrganizationBusinessNameLine1Txt
FieldValueIRS element (for citing)
Phone4048929651PhoneNum

US Address USAddress

FieldValueIRS element (for citing)
Address Line1270 Peachtree Street NW 1900AddressLine1Txt
CityAtlantaCityNm
State AbbreviationGAStateAbbreviationCd
ZIP30303ZIPCd

Form990 Part VII Section A Form990PartVIISectionAGrp (26 entries)

TitleTitleTxtAverage Hours Per WeekAverageHoursPerWeekRtIndividual Trustee Or DirectorIndividualTrusteeOrDirectorIndOfficerOfficerIndReportable Comp From OrgReportableCompFromOrgAmtReportable Comp From Rltd OrgReportableCompFromRltdOrgAmtOther CompensationOtherCompensationAmtHighest Compensated EmployeeHighestCompensatedEmployeeInd
Nicolaas Verloop
President(Upto Oct 24)15.00Yes (X)Yes (X)$0$0$0
Thomas Smiley
President10.00Yes (X)Yes (X)$0$0$0
Gail Nozal
Vice President(Upto Oct 24)5.00Yes (X)Yes (X)$0$0$0
Randall Miller
Secretary (Upto Oct 24)5.00Yes (X)Yes (X)$0$0$0
Sharon Jean-Philippe
President- Elect5.00Yes (X)Yes (X)$0$0$0
Christopher Boza
Treasurer5.00Yes (X)$0$0$0
John Gathright
Member(Upto Oct 24)5.00Yes (X)$0$0$0
Carlos Llanos Rojas
Member(Upto Oct 24)5.00Yes (X)$0$0$0
John Coles
Member5.00Yes (X)$0$0$0
Samuel Ma
Member5.00Yes (X)$0$0$0
Tadashi Touchi
Member5.00Yes (X)$0$0$0
Susan Day
Member5.00Yes (X)$0$0$0
Jason Grabosky
Member5.00Yes (X)$0$0$0
Jessica Sanders
Vice President5.00Yes (X)$0$0$0
Michael Watson
Member5.00Yes (X)$0$0$0
Lori Brockelbank
Member (Served October-December)5.00Yes (X)$0$0$0
Rebecca Johnson
Member (Served October-December)5.00Yes (X)$0$0$0
Tim Walsh
Member (Served October-December)5.00Yes (X)$0$0$0
Stephen Lane
Member (Served October-December)5.00Yes (X)$0$0$0
Lauren Marshall
Member (Served October-December)5.00Yes (X)$0$0$0
Caitlyn Pollihan
CEO & Executive Director40.00Yes (X)$359,703$0$28,935
Freddie Harroway
Director of Finance40.00$132,600$0$13,425Yes (X)
Chastity Austin
Director of Human Resources40.00$131,748$0$16,237Yes (X)
Luana Vargas
Director of Credentialing40.00$126,776$0$18,224Yes (X)
Alice Bagley
Director of Marketing40.00$118,310$0$16,921Yes (X)
Jamie Vidich
Director of Educational Products40.00$116,931$0$13,356Yes (X)
FieldValueIRS element (for citing)
Total Reportable Comp From Org$986,068TotalReportableCompFromOrgAmt
Tot Reportable Comp Rltd Org$0TotReportableCompRltdOrgAmt
Total Other Compensation$107,098TotalOtherCompensationAmt
Indiv Rcvd Greater Than100 K5IndivRcvdGreaterThan100KCnt
Former Ofcr Employees Listed0FormerOfcrEmployeesListedInd
Total Comp Greater Than150 KYes (1)TotalCompGreaterThan150KInd
Compensation From Other Srcs0CompensationFromOtherSrcsInd

Contractor Compensation ContractorCompensationGrp (5 entries)

Address Line1ContractorAddress/USAddress/AddressLine1TxtCityContractorAddress/USAddress/CityNmState AbbreviationContractorAddress/USAddress/StateAbbreviationCdZIPContractorAddress/USAddress/ZIPCdServicesServicesDescCompensationCompensationAmt
BrightKey
60 West St Suite 300AnnapolisMD21401Support Services$1,254,800
NCS Pearson Inc
13036 Collection Center DrChicagoIL60693Credentialing Services$655,860
Hyatt Regency Atlanta
265 Peachtree StAtlantaGA30303Conference/Catering Services$588,201
Agilutions Consulting Inc
PO Box 807DenverCO80201IT Consulting Services$270,005
Area Wide Technologies
2110 Clearlake Bld 100ChampaignIL61826IT Maintenance Services$263,205
FieldValueIRS element (for citing)
Cntrct Rcvd Greater Than100 K5CntrctRcvdGreaterThan100KCnt
Membership Dues$3,063,393MembershipDuesAmt
Total Contributions$3,063,393TotalContributionsAmt

Program Service Revenue ProgramServiceRevenueGrp (2 entries)

DescDescBusinessBusinessCdTotal Revenue ColumnTotalRevenueColumnAmtRelated Or Exempt Func IncomeRelatedOrExemptFuncIncomeAmt
Credentialing900099$4,911,496$4,911,496
Event Registrations900099$1,025,800$1,025,800
FieldValueIRS element (for citing)
Total Program Service Revenue$5,937,296TotalProgramServiceRevenueAmt

Investment Income InvestmentIncomeGrp

FieldValueIRS element (for citing)
Total Revenue Column$334,934TotalRevenueColumnAmt
Exclusion$334,934ExclusionAmt

Gross Amount Sales Assets GrossAmountSalesAssetsGrp

FieldValueIRS element (for citing)
Securities$401,323SecuritiesAmt

Less Cost Oth Basis Sales Expnss LessCostOthBasisSalesExpnssGrp

FieldValueIRS element (for citing)
Securities$0SecuritiesAmt

Gain Or Loss GainOrLossGrp

FieldValueIRS element (for citing)
Securities$401,323SecuritiesAmt

Net Gain Or Loss Investments NetGainOrLossInvestmentsGrp

FieldValueIRS element (for citing)
Total Revenue Column$401,323TotalRevenueColumnAmt
Exclusion$401,323ExclusionAmt
FieldValueIRS element (for citing)
Gross Sales Of Inventory$3,122,869GrossSalesOfInventoryAmt
Cost Of Goods Sold$1,339,217CostOfGoodsSoldAmt

Net Income Or Loss NetIncomeOrLossGrp

FieldValueIRS element (for citing)
Total Revenue Column$1,783,652TotalRevenueColumnAmt
Related Or Exempt Func Income$1,718,933RelatedOrExemptFuncIncomeAmt
Unrelated Business Revenue$64,719UnrelatedBusinessRevenueAmt

Other Revenue Misc OtherRevenueMiscGrp (2 entries)

DescDescBusinessBusinessCdTotal Revenue ColumnTotalRevenueColumnAmtRelated Or Exempt Func IncomeRelatedOrExemptFuncIncomeAmtExclusionExclusionAmt
Miscellaneous Income900099$49,107$49,107
Other Income900099$4,225$4,225
FieldValueIRS element (for citing)
Other Revenue Total$53,332OtherRevenueTotalAmt

Total Revenue TotalRevenueGrp

FieldValueIRS element (for citing)
Total Revenue Column$11,573,930TotalRevenueColumnAmt
Related Or Exempt Func Income$7,705,336RelatedOrExemptFuncIncomeAmt
Unrelated Business Revenue$64,719UnrelatedBusinessRevenueAmt
Exclusion$740,482ExclusionAmt
FieldValueIRS element (for citing)
Info In Schedule O Part IXYes (X)InfoInScheduleOPartIXInd

Grants To Domestic Orgs GrantsToDomesticOrgsGrp

FieldValueIRS element (for citing)
Total$61,268TotalAmt
Program Services$61,268ProgramServicesAmt

Comp Current Ofcr Directors CompCurrentOfcrDirectorsGrp

FieldValueIRS element (for citing)
Total$922,100TotalAmt
Management And General$922,100ManagementAndGeneralAmt

Pension Plan Contributions PensionPlanContributionsGrp

FieldValueIRS element (for citing)
Total$124,859TotalAmt
Management And General$124,859ManagementAndGeneralAmt

Other Employee Benefits OtherEmployeeBenefitsGrp

FieldValueIRS element (for citing)
Total$298,908TotalAmt
Management And General$298,908ManagementAndGeneralAmt

Payroll Taxes PayrollTaxesGrp

FieldValueIRS element (for citing)
Total$55,961TotalAmt
Management And General$55,961ManagementAndGeneralAmt

Fees For Services Legal FeesForServicesLegalGrp

FieldValueIRS element (for citing)
Total$89,116TotalAmt
Management And General$89,116ManagementAndGeneralAmt

Fees For Services Other FeesForServicesOtherGrp

FieldValueIRS element (for citing)
Total$129,184TotalAmt
Management And General$129,184ManagementAndGeneralAmt

Office Expenses OfficeExpensesGrp

FieldValueIRS element (for citing)
Total$13,109TotalAmt
Management And General$13,109ManagementAndGeneralAmt

Information Technology InformationTechnologyGrp

FieldValueIRS element (for citing)
Total$722,437TotalAmt
Management And General$722,437ManagementAndGeneralAmt

Occupancy OccupancyGrp

FieldValueIRS element (for citing)
Total$387,798TotalAmt
Management And General$387,798ManagementAndGeneralAmt

Travel TravelGrp

FieldValueIRS element (for citing)
Total$109,085TotalAmt
Management And General$109,085ManagementAndGeneralAmt

Depreciation Depletion DepreciationDepletionGrp

FieldValueIRS element (for citing)
Total$65,062TotalAmt
Management And General$65,062ManagementAndGeneralAmt

Insurance InsuranceGrp

FieldValueIRS element (for citing)
Total$99,512TotalAmt
Management And General$99,512ManagementAndGeneralAmt

Other Expenses OtherExpensesGrp (4 entries)

DescDescTotalTotalAmtProgram ServicesProgramServicesAmt
Credentialing$3,608,820$3,608,820
Events$1,674,030$1,674,030
Sales & Marketing$600,397$600,397
Membership Expense$515,220$515,220

All Other Expenses AllOtherExpensesGrp

FieldValueIRS element (for citing)
Total$1,198,035TotalAmt
Program Services$472,302ProgramServicesAmt
Management And General$725,733ManagementAndGeneralAmt

Total Functional Expenses TotalFunctionalExpensesGrp

FieldValueIRS element (for citing)
Total$10,674,901TotalAmt
Program Services$6,932,037ProgramServicesAmt
Management And General$3,742,864ManagementAndGeneralAmt
Fundraising$0FundraisingAmt

Cash Non Interest Bearing CashNonInterestBearingGrp

FieldValueIRS element (for citing)
BOY$2,641,748BOYAmt
EOY$1,978,476EOYAmt

Savings And Temp Cash Invst SavingsAndTempCashInvstGrp

FieldValueIRS element (for citing)
EOY$6,257,385EOYAmt

Accounts Receivable AccountsReceivableGrp

FieldValueIRS element (for citing)
BOY$389,529BOYAmt
EOY$379,795EOYAmt

Inventories For Sale Or Use InventoriesForSaleOrUseGrp

FieldValueIRS element (for citing)
BOY$318,712BOYAmt
EOY$325,710EOYAmt

Prepaid Expenses Defrd Charges PrepaidExpensesDefrdChargesGrp

FieldValueIRS element (for citing)
BOY$129,518BOYAmt
EOY$141,203EOYAmt
FieldValueIRS element (for citing)
Land Bldg Equip Cost Or Other Bss$1,462,834LandBldgEquipCostOrOtherBssAmt
Land Bldg Equip Accum Deprec$894,709LandBldgEquipAccumDeprecAmt

Land Bldg Equip Basis Net LandBldgEquipBasisNetGrp

FieldValueIRS element (for citing)
BOY$199,529BOYAmt
EOY$568,125EOYAmt

Investments Pub Traded Sec InvestmentsPubTradedSecGrp

FieldValueIRS element (for citing)
BOY$9,302,748BOYAmt
EOY$4,821,740EOYAmt

Other Assets Total OtherAssetsTotalGrp

FieldValueIRS element (for citing)
BOY$1,403,776BOYAmt
EOY$1,144,606EOYAmt

Total Assets TotalAssetsGrp

FieldValueIRS element (for citing)
BOY$14,385,560BOYAmt
EOY$15,617,040EOYAmt

Accounts Payable Accr Expnss AccountsPayableAccrExpnssGrp

FieldValueIRS element (for citing)
BOY$1,013,362BOYAmt
EOY$967,363EOYAmt

Deferred Revenue DeferredRevenueGrp

FieldValueIRS element (for citing)
BOY$2,354,015BOYAmt
EOY$2,414,226EOYAmt

Other Liabilities OtherLiabilitiesGrp

FieldValueIRS element (for citing)
BOY$1,611,133BOYAmt
EOY$1,328,055EOYAmt

Total Liabilities TotalLiabilitiesGrp

FieldValueIRS element (for citing)
BOY$4,978,510BOYAmt
EOY$4,709,644EOYAmt
FieldValueIRS element (for citing)
Organization Follows FASB117Yes (X)OrganizationFollowsFASB117Ind

No Donor Restriction Net Assets NoDonorRestrictionNetAssetsGrp

FieldValueIRS element (for citing)
BOY$9,407,050BOYAmt
EOY$10,907,396EOYAmt

Total Net Assets Fund Balance TotalNetAssetsFundBalanceGrp

FieldValueIRS element (for citing)
BOY$9,407,050BOYAmt
EOY$10,907,396EOYAmt

Tot Liab Net Assets Fund Balance TotLiabNetAssetsFundBalanceGrp

FieldValueIRS element (for citing)
BOY$14,385,560BOYAmt
EOY$15,617,040EOYAmt
FieldValueIRS element (for citing)
Reconcilation Revenue Expnss$899,029ReconcilationRevenueExpnssAmt
Net Unrlzd Gains Losses Invst$601,317NetUnrlzdGainsLossesInvstAmt
Other Changes In Net Assets$0OtherChangesInNetAssetsAmt
Info In Schedule O Part XIIYes (X)InfoInScheduleOPartXIIInd
Method Of Accounting AccrualYes (X)MethodOfAccountingAccrualInd
Accountant Compile Or Review0AccountantCompileOrReviewInd
FS AuditedYes (1)FSAuditedInd

FS Audited Basis FSAuditedBasisGrp

FieldValueIRS element (for citing)
Separate Basis Fincl StmtYes (X)SeparateBasisFinclStmtInd
FieldValueIRS element (for citing)
Audit Committee0AuditCommitteeInd
Federal Grant Audit Required0FederalGrantAuditRequiredInd

Schedule D IRS990ScheduleD

Leasehold Improvements LeaseholdImprovementsGrp

FieldValueIRS element (for citing)
Other Cost Or Other Basis$87,366OtherCostOrOtherBasisAmt
Depreciation$45,428DepreciationAmt
Book Value$41,938BookValueAmt

Equipment EquipmentGrp

FieldValueIRS element (for citing)
Other Cost Or Other Basis$955,778OtherCostOrOtherBasisAmt
Depreciation$849,281DepreciationAmt
Book Value$106,497BookValueAmt

Other Land Buildings OtherLandBuildingsGrp

FieldValueIRS element (for citing)
Other Cost Or Other Basis$419,690OtherCostOrOtherBasisAmt
Book Value$419,690BookValueAmt
FieldValueIRS element (for citing)
Total Book Value Land Buildings$568,125TotalBookValueLandBuildingsAmt

Other Assets Org OtherAssetsOrgGrp

FieldValueIRS element (for citing)
DescRight of Use AssetDesc
Book Value$1,144,606BookValueAmt
FieldValueIRS element (for citing)
Total Book Value Other Assets$1,144,606TotalBookValueOtherAssetsAmt

Other Liabilities Org OtherLiabilitiesOrgGrp

FieldValueIRS element (for citing)
DescLease LiabilityDesc
Amt$1,328,055Amt
FieldValueIRS element (for citing)
Total Liability$1,328,055TotalLiabilityAmt
Footnote TextYes (X)FootnoteTextInd
Total Rev Etc Audited Fincl Stmt$13,514,464TotalRevEtcAuditedFinclStmtAmt
Net Unrealized Gains Invst$601,317NetUnrealizedGainsInvstAmt
Other Revenue$1,339,217OtherRevenueAmt
Revenue Not Reported$1,940,534RevenueNotReportedAmt
Revenue Subtotal$11,573,930RevenueSubtotalAmt
Revenue Not Reported Fincl Stmt$0RevenueNotReportedFinclStmtAmt
Total Revenue Per Form990$11,573,930TotalRevenuePerForm990Amt
Tot Expns Etc Audited Fincl Stmt$12,014,118TotExpnsEtcAuditedFinclStmtAmt
Other Expenses Included$1,339,217OtherExpensesIncludedAmt
Expenses Not Reported$1,339,217ExpensesNotReportedAmt
Expenses Subtotal$10,674,901ExpensesSubtotalAmt
Expenses Not Rpt Fincl Stmt$0ExpensesNotRptFinclStmtAmt
Total Expenses Per Form990$10,674,901TotalExpensesPerForm990Amt

Supplemental Information Detail SupplementalInformationDetail (3 entries)

Form And Line ReferenceFormAndLineReferenceDescExplanationExplanationTxt
Part X, Line 2:The Society is a charitable organization and qualifies under Section 501(c)(5) of the Internal Revenue Code as a tax-exempt organization for both federal and state income tax purposes. Accordingly, the Society has provided for no income taxes in the accompanying financial statements. The Society applies the guidance on accounting for uncertain tax provisions in FASB ASC 740 Income Taxes. There were no unrecognized tax benefits or related liabilities at December 31, 2023. The Society is no longer subject to income tax examinations for fiscal years prior to 2021.
Part XI, Line 2d - Other Adjustments:Loss on disposition of assets Cost of Goods Netted on Tax Return 1,339,217.
Part XII, Line 2d - Other Adjustments:Loss on disposition of assets Cost of Goods Netted on Tax Return 1,339,217.

Schedule F IRS990ScheduleF

Account Activities Outside US AccountActivitiesOutsideUSGrp (3 entries)

RegionRegionTxtOfficesOfficesCntEmployeeEmployeeCntType Of Activities ConductedTypeOfActivitiesConductedTxtSpecific Services ProvidedSpecificServicesProvidedTxtRegion Total ExpendituresRegionTotalExpendituresAmt
East Asia and the Pacific - Australia, Brunei, Burma, Cambodia,00Program ServicesMembership,Certification Services, Educational Goods, Conferences.$87,656
Europe (Including Iceland & Greenland) - Albania, Andorra, Austria, Belgium00Program ServicesMembership,Certification Services, Educational Goods, Conferences.$71,974
South America00Program ServicesMembership,Certification Services, Educational Goods, Conferences.$4,930
FieldValueIRS element (for citing)
Subtotal Offices0SubtotalOfficesCnt
Subtotal Employees0SubtotalEmployeesCnt
Continuation Total Office0ContinuationTotalOfficeCnt
Continuation Total Employee0ContinuationTotalEmployeeCnt
Total Office0TotalOfficeCnt
Total Employee0TotalEmployeeCnt
Subtotal Spent$164,560SubtotalSpentAmt
Continuation Spent$0ContinuationSpentAmt
Total Spent$164,560TotalSpentAmt
Transfer To Foreign Corp0TransferToForeignCorpInd
Interest In Foreign Trust0InterestInForeignTrustInd
Foreign Corp Ownership0ForeignCorpOwnershipInd
Passive Foreign Investmest Co0PassiveForeignInvestmestCoInd
Foreign Partnership0ForeignPartnershipInd
Boycott Countries0BoycottCountriesInd

Schedule I IRS990ScheduleI

FieldValueIRS element (for citing)
Grant Records MaintainedYes (1)GrantRecordsMaintainedInd

Recipient Table RecipientTable

Recipient Business Name RecipientBusinessName

FieldValueIRS element (for citing)
Business Name Line1Tree Research and Education Endowment FundBusinessNameLine1Txt

US Address USAddress

FieldValueIRS element (for citing)
Address Line1552 S Washington ST suite 109AddressLine1Txt
CityNapervilleCityNm
State AbbreviationILStateAbbreviationCd
ZIP60540ZIPCd
FieldValueIRS element (for citing)
Recipient EIN371018692RecipientEIN
IRC Section501c3IRCSectionDesc
Cash Grant$61,268CashGrantAmt
Non Cash Assistance$0NonCashAssistanceAmt
Purpose Of GrantSupport arboriculture research to benefit the professional arborists and unban forestersPurposeOfGrantTxt

Supplemental Information Detail SupplementalInformationDetail

FieldValueIRS element (for citing)
Form And Line ReferencePart I, Line 2:FormAndLineReferenceDesc
ExplanationThe ISA provides direction on how the funds are to be used and the tree fund provides the ISA reports detailing that usage.ExplanationTxt

Schedule J IRS990ScheduleJ

FieldValueIRS element (for citing)
First Class Or Charter TravelYes (X)FirstClassOrCharterTravelInd
Travel For CompanionsYes (X)TravelForCompanionsInd
Idemnification Gross Up PmtsYes (X)IdemnificationGrossUpPmtsInd
Discretionary Spending AcctYes (X)DiscretionarySpendingAcctInd
Housing Allowance Or ResidenceYes (X)HousingAllowanceOrResidenceInd
Payments For Use Of ResidenceYes (X)PaymentsForUseOfResidenceInd
Club Dues Or FeesYes (X)ClubDuesOrFeesInd
Personal ServicesYes (X)PersonalServicesInd
Written Policy Ref T And E ExpnssYes (1)WrittenPolicyRefTAndEExpnssInd
Substantiation RequiredYes (1)SubstantiationRequiredInd
Written Employment ContractYes (X)WrittenEmploymentContractInd
Compensation SurveyYes (X)CompensationSurveyInd
Board Or Committee ApprovalYes (X)BoardOrCommitteeApprovalInd
Severance Payment0SeverancePaymentInd
Supplemental Nonqual Rtr Plan0SupplementalNonqualRtrPlanInd
Equity Based Comp Arrngm0EquityBasedCompArrngmInd

Rltd Org Officer Trst Key Empl RltdOrgOfficerTrstKeyEmplGrp

FieldValueIRS element (for citing)
PersonCaitlyn PollihanPersonNm
TitleCEO & Executive DirectorTitleTxt
Base Compensation Filing Org$357,103BaseCompensationFilingOrgAmt
Compensation Based On Rltd Orgs$0CompensationBasedOnRltdOrgsAmt
Bonus Filing Organization$2,600BonusFilingOrganizationAmount
Bonus Related Organizations$0BonusRelatedOrganizationsAmt
Other Compensation Filing Org$0OtherCompensationFilingOrgAmt
Other Compensation Rltd Orgs$0OtherCompensationRltdOrgsAmt
Deferred Compensation Flng Org$18,978DeferredCompensationFlngOrgAmt
Deferred Comp Rltd Orgs$0DeferredCompRltdOrgsAmt
Nontaxable Benefits Filing Org$9,957NontaxableBenefitsFilingOrgAmt
Nontaxable Benefits Rltd Orgs$0NontaxableBenefitsRltdOrgsAmt
Total Compensation Filing Org$388,638TotalCompensationFilingOrgAmt
Total Compensation Rltd Orgs$0TotalCompensationRltdOrgsAmt
Comp Report Prior990 Filing Org$0CompReportPrior990FilingOrgAmt
Comp Report Prior990 Rltd Orgs$0CompReportPrior990RltdOrgsAmt

Supplemental Information Detail SupplementalInformationDetail

FieldValueIRS element (for citing)
Form And Line ReferencePart I, Line 1aFormAndLineReferenceDesc
ExplanationPerformance will be determined by utilizing a formal evaluation form and will incorporate the input of members of the board of directors at a minimum. The ISA President will initiate an annual review of the work performance of the ISA CEO & Executive Director in accordance with this polity. A salary range will be determined for the position of CEO & Executive Director. Adjustments to salary are determined based on evaluation of the CEO & Executive Director's performance during the past year. The President along with the executive committee will determine pay adjustments based on the results of the CEO & Executive Director's performance review. It is the responsibility of the president and president-elect to communicate the results of the performance evaluation and any adjustments to the salary. Responsibility for execution of the salary changes lie with the director of human resources as directed by the president. The range will be based on benchmarking of similar positions in terms of geographic location, budget, personnel and job responsibilities. The range of salary for the CEO & Executive Director will be set by benchmarking against non-profits similar in size, geographical area, budget and responsibilities of the CEO & Executive Director. Salary benchmarking will be conducted by a professional executive compensation research service every five years or no sooner than three years if necessary. The director of human resources will assist the president to acquire data and select and retain the benchmarking consultant if needed. Pay is generally centered on the mid-point of the range. Pay above the mid-point is for consistent exemplary performance. Sources used include national executive compensation survey from employers' association, ASAE association compensation, American research company national compensation study, and a third party (employers' Assn) review letter.ExplanationTxt

Schedule O IRS990ScheduleO

Supplemental Information Detail SupplementalInformationDetail (9 entries)

Form And Line ReferenceFormAndLineReferenceDescExplanationExplanationTxt
Form 990, Part VI, Section A, line 1aThe executive committee is composed of the officers and may act for the board of directors between meetings of the board or as other wised authorized by the board. Consistent with applicable law the executive committee shall not, however, have the power to approve a dissolution or merger, sell corporate assets, remove a director or officer, fill vacancies on the board of directors or on any committee, fix compensation relating to board or committee service amend, repeal, or adopt bylaws, or amend or repeal any resolution of the board which, by its terms, is not so amendable or repealable. All proceedings and actions of the executive committee shall be recorded and reported to the board of directors at the next meeting of the board.
Form 990, Part VI, Section A, line 6The ISA shall be organized as a membership organization under the policies determined and established by the board of directors. Qualified persons and organizations seeking membership shall be accepted as members of the society upon the acceptance of the required application, dues, fees, and assessments, and consistent with all corporate policies. ISA's membership classes are professional, life, senior, student, honorary life, and associate.
Form 990, Part VI, Section A, line 7aUnder the relevant terms of the bylaws, the structure is composed of the ISA board of directors, comprised of fifteen (15) directors, including ten (13) director positions filled by direct ISA membership elections, and a President/Chair of the board and a President/Chair-Elect elected by the board of directors from the current directors. Directors serve for a three-year term other than the President/Chair of the board of directors, and President/Chair-Elect in limited circumstances. No director shall be permitted to serve more than two (2) consecutive terms of office or six (6) consecutive years, whichever period is longer the terms of the director shall be staggered.
Form 990, Part VI, Section B, line 11bInitial review is completed by the Director of Finance and the CEO & Executive Director. The ISA president and chair of the finance committee is forwarded a copy of these forms and have final approval. The completed form 990 is posted to the board of directors' website for review and comment.
Form 990, Part VI, Section B, line 12cEach board member is required to complete a conflict-of-interest disclosure form and review on an annual basis. A potential conflict of interest may exist any time a board member's actions may be reasonably believed to be motivated by the potential for personal gain, or potential gain of third parties in which the board member has a material interest. In the event of such a conflict the board member should disclose the conflict and abstain from discussion and voting on any action related to the conflict if the board member does not voluntarily abstain, the board may vote to determine whether or not to require an abstention.
Form 990, Part VI, Section B, line 15Performance will be determined by utilizing a formal evaluation form and will incorporate the input of members of the board of directors at a minimum. The ISA President will initiate an annual review of the work performance of the ISA CEO & Executive Director in accordance with this policy. A salary range will be determined for the position of CEO & Executive Director. Adjustments to salary are determined based on an evaluation of the CEO & Executive Director's performance during the past year. The President along with the executive committee will determine pay adjustments based on the results of the CEO & Executive Director's performance review. It is the responsibility of the President and President-elect to communicate the results of the performance evaluation and any adjustments to the salary. Responsibility for execution of the salary changes lie with the director of human resources as directed by the President. The range will be based on benchmarking of similar positions in terms of geographic location, budget, personnel and job responsibilities. The range of salary for the CEO & Executive Director will be set by benchmarking against non-profits similar in size, geographical area, budget and responsibilities of the CEO & Executive Director. Salary benchmarking will be conducted by a professional executive compensation research service every five years or no sooner than three years if necessary. The director of human resources will assist the President to acquire data and select and retain the benchmarking consultant if needed. Pay is generally centered on the mid-point of the range. Pay above the mid-point is for consistent exemplary performance. Sources used include national executive compensation survey from employers' association, ASAE association compensation, American research company national compensation study, and a third party (employers' Assn) review letter.
Form 990, Part VI, Section C, line 19ISA puts the governing documents (including conflict of interest policy) and financial statements on the isa website behind a login so only directors and committee members have access. Isa will make copies of each available to the public upon request.
Form 990, Part IX, line 24eEducation Products & Services Expenses: Program service expenses 472,302. Management and general expenses 0. Fundraising expenses 0. Total expenses 472,302. Financial Fees: Program service expenses 0. Management and general expenses 319,728. Fundraising expenses 0. Total expenses 319,728. Board Expense: Program service expenses 0. Management and general expenses 250,808. Fundraising expenses 0. Total expenses 250,808. Other Expenses: Program service expenses 0. Management and general expenses 144,566. Fundraising expenses 0. Total expenses 144,566. Bad Debt Expense: Program service expenses 0. Management and general expenses 10,631. Fundraising expenses 0. Total expenses 10,631.
FORM 990, PART XII, LINE 2C:The organization has not change the oversight process for the review during the year.