2025-11-14T10:54:40-06:00 2024-12-31 Foundation Source 3333 New Hyde Park Rd Ste 406 New Hyde Park NY 11042 990PF 2024-01-01 050618950 The Deerfield Partnership Foundation % Foundation Source DEER 8008391754 Foundation Source 501 Silverside Rd Wilmington DE 198091377 Alexis Caze President 8008391754 2025-11-07 true true Jeffrey D Haskell P01345770 8008391754 2024 2025-03-06 01:10:19Z X 140535878 X 587435 2067 2067 11 11 15134126 100000 15134126 263499 559248 15987138 15695452 450000 450000 200000 200000 67536 67536 79084 79084 234592 2 64837 64837 365329 124820 238542 1461378 124822 1099999 352860 352860 1814238 124822 1452859 14172900 15570630 0 897677 639928 639928 7237 7237 7237 55765 55541 14600826 28976647 139833172 15498503 29679577 140535878 1283 0 1283 X 15498503 29678294 15498503 29678294 15498503 29679577 15498503 14172900 6891 29678294 29678294 Passthrough K1 Capital Gain/(Loss) 15134128 DEERFIELD EMPLOYEES DP LLC P 2017-12-30 2024-10-02 100000 100002 -2 -2 15134126 216432 216432 216432 171600 0 46000 217600 X 2633 1465 false false false false false false false true true NY true false false false false true Foundation Source 8008391754 501 Silverside Road Suite 123 Wilmington DE 198091377 false false false false true false false false false false false false false false false false false false false false false false Christine Brideau Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir, VP 1.0 0 0 0 Alexis Caze Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir 1.0 0 0 0 Andrew ElBardissi Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir, VP 1.0 0 0 0 James Flynn Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir, Chairman of the Board 1.0 0 0 0 Karen Heidelberger Retzler Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir, VP 1.0 0 0 0 Leslie Henshaw Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir, VP 1.0 0 0 0 Jonathan Isler Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir, Treas 1.0 0 0 0 Jana Jensen Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir, VP 1.0 0 0 0 Robert Snetiker Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir, Sec 1.0 0 0 0 Mark Veich Foundation Source 501 Silverside Rd Wilmington DE 198091377 Pres, Dir 50.0 450000 19105 0 JULIANNA SANTAMARIA 39 Stanton Street Northport NY 11768 EXECUTIVE ASSISTANT 40.0 200000 14122 Foundation Source 55 Walls Drive Ste 302 Fairfield CT 06824 Administrative 223607 Eva Garland Consulting 4242 Six Forks Road Suite 900 Raliegh NC 27609 Philanthropic 54000 5757 435828 139906888 140348473 0 140348473 2105227 138243246 6912162 6912162 216432 216432 6695730 6891 6702621 6702621 1452859 0 0 0 0 1452859 6702621 774134 3304096 1021647 1454868 6554745 1452859 1452859 0 5249762 5249762 1304983 0 1304983 1304983 James Flynn Leslie Henshaw X A-Z CHILDREN LIMITED 54 PEMBROKE RD DUBLIN BALLSBRIDGE EI 4 N/A PC Scaling up maternal and child health care and emergency pediatric 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