2025-11-16T12:23:23-06:00 2024-12-31 262246506 APERCEN PARTNERS LLC 455 N CITYFRONT PL DR 1730 CHICAGO IL 60611 990 2024-04-01 992255770 OPEN PHILANTHROPY ADVISORS INC OPEN 6508047100 314 LYTTON AVE PALO ALTO CA 94301 TOM VAN LOBEN SELS TREASURER 6508047100 2025-11-16 1 1 JACOB J ZEHNDER P01564049 6508047100 2024 2025-03-06 01:10:19Z X CARI TUNA 314 LYTTON AVE PALO ALTO CA 94301 100933791 0 X N/A X 2024 DE SUPPORT VARIOUS CHARITABLE CAUSE AREAS TO HELP OTHERS AND OUR WORLD WITH THE RESOURCES AVAILABLE 3 3 0 4 0 0 99600266 0 1333525 0 100933791 18087407 0 0 0 0 656768 18744175 82189616 91831794 9642178 82189616 BUILD UPON EXISTING RESEARCH IDENTIFYING THE MOST EFFECTIVE PHILANTHROPIC CAUSES, BY FURTHER RESEARCHING THESE CAUSES, PROMOTING THESE CAUSES, ATTRACTING NEW FUNDERS TO DONATE TO THESE CAUSES, AND MAKING GRANTS TO DIRECTLY HELP OTHERS AND OUR WORLD. 0 0 18706723 18087407 IN SUPPORT OF IDENTIFIED PHILANTHROPIC CAUSES, THE ORGANIZATION ENGAGES IN GRANTMAKING TO INDIVIDUALS AND ORGANIZATIONS DOING GREAT WORK IN THE MOST EFFECTIVE CAUSE AREAS, FUNDRAISING AND COMMUNITY BUILDING TO RAISE AWARENESS AND FUNDS TO SUPPORT THOSE CAUSES, RESEARCH AND EDUCATION IN THE PHILANTHROPIC SPACE, ASSISTANCE WITH CAREER TRANSITIONS FOR INDIVIDUALS MOVING OUT OF THE PRIVATE SECTOR, AND ADVOCACY AND POLICY DEVELOPMENT. 18706723 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 1 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 X 3 3 0 0 0 0 0 0 0 1 1 0 0 1 1 1 1 1 1 0 0 0 CA CO CT FL MD MA NY OH PA VA WA X APERCEN PARTNERS LLC 6508047100 314 LYTTON AVE PALO ALTO CA 94301 X CARI TUNA PRESIDENT/DIRECTOR 2.00 2.50 X X 0 0 0 ALEXANDER BERGER CEO/DIRECTOR 2.00 4.00 X X 0 0 0 HOLDEN KARNOFSKY SECRETARY/DIRECTOR 2.00 4.00 X X 0 0 0 TOM VAN LOBEN SELS TREASURER 0.50 1.00 X 0 0 0 0 0 0 0 0 0 0 0 99600266 99600266 1333525 1333525 100933791 0 0 1333525 18077407 18077407 10000 10000 22103 316 21787 624014 619000 5014 1352 1352 9299 9299 18744175 18706723 37452 0 87604341 4219766 7687 0 91831794 619931 9022247 0 9642178 X 9640128 72549488 0 82189616 0 91831794 82189616 0 X 0 1 X 1 0 X 99600266 99600266 99600266 99600266 20424472 79175794 1333525 1333525 100933791 X SCHEDULE A, PART II - EXPLANATION FOR SHORT YEAR THE 2024 TAX YEAR IS A SHORT YEAR COVERING THE PERIOD APRIL 1, 2024 THROUGH DECEMBER 31, 2024, DUE TO THAT BEING THE ORGANIZATION'S FIRST YEAR IN EXISTENCE. RESTRICTED RESTRICTED RESTRICTED RESTRICTED RESTRICTED RESTRICTED RESTRICTED RESTRICTED 0 X 100975763 41972 41972 100933791 0 100933791 18786147 41972 41972 18744175 0 18744175 PART X, LINE 2: FINANCIAL STATEMENT FOOTNOTE REPORTING UNCERTAIN TAX POSITIONS: THE ORGANIZATION RECOGNIZES THE TAX BENEFIT FROM UNCERTAIN TAX POSITIONS ONLY IF IT IS MORE LIKELY THAN NOT THAT THE TAX POSITIONS WILL BE SUSTAINED ON EXAMINATION BY THE TAX AUTHORITIES, BASED ON THE TECHNICAL MERITS OF THE POSITION. THE TAX BENEFIT IS MEASURED BASED ON THE LARGEST BENEFIT THAT HAS A GREATER THAN 50% LIKELIHOOD OF BEING REALIZED UPON ULTIMATE SETTLEMENT. THE ORGANIZATION RECOGNIZES INTEREST AND PENALTIES, IF ANY, RELATED TO INCOME TAX MATTERS IN FEDERAL EXCISE TAX EXPENSE. THE ORGANIZATION HAD NO UNRECOGNIZED TAX BENEFITS AT DECEMBER 31, 2024. 0 0 0 0 0 0 0 0 0 EUROPE HOSTING AN EVENT ABOUT LEAD EXPOSURE TOGETHER WITH THE WORLD HEALTH SUMMIT 10000 WIRE TRANSFER 0 0 1 0 0 0 0 0 0 PART II, LINE 1 (ACCOUNTING METHOD): GRANTS REPORTED IN PART II ARE ACCOUNTED FOR UNDER THE ACCRUAL METHOD. 1 BLACKSMITH INSTITUTE INC 475 RIVERSIDE DR STE 860 NEW YORK NY 10115 134075779 501(C)(3) 14747897 0 GENERAL SUPPORT BLACKSMITH INSTITUTE INC 475 RIVERSIDE DR STE 860 NEW YORK NY 10115 134075779 501(C)(3) 714910 0 GENERAL SUPPORT CENTER FOR GLOBAL DEVELOPMENT 2055 L ST NW 5TH FL WASHINGTON DC 20036 522351337 501(C)(3) 2614600 0 WORK ON LEAD EXPOSURE 2 0 PART I, LINE 2: PROCEDURES FOR MONITORING THE USE OF GRANTS INSIDE THE UNITED STATES: IF THE GRANT IS FOR GENERAL SUPPORT, THE GRANTEE CERTIFIES VIA THE GRANT AGREEMENT THAT THE FUNDS WILL FURTHER THE ORGANIZATION'S TAX-EXEMPT PURPOSES IN ACCORDANCE WITH THE ORGANIZATION'S TAX-EXEMPT STATUS AND THE GRANTEE'S NONPROFIT OR TAX-EXEMPT STATUS (AS APPLICABLE). 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