2026-08-10T11:14:50-07:00 2026-03-31 461211349 Linked Accounting LLP 612 N Kays Dr Ste 150 Kaysville UT 84037 990 2025-04-01 943202572 BERKELEY GEOCHRONOLOGY CENTER BERK 5106449200 2455 RIDGE ROAD BERKELY CA 94709 PAUL RENNE President 2026-08-10 true BRIAN E VAN CAMP CPA MTAX P00650012 3852622310 2025 2025-03-06 01:10:19Z PAUL RENNE 2455 RIDGE ROAD BERKELY CA 947091211 3000316 false X WWW.BGC.ORG X 1994 CA RESEARCH INVOLVING FIELD SAMPLING OF GEOLOGIC MATERIALS, SAMPLE PREPARATION AND ANALYSIS, SOFTWARE AND METHODOLOGY DEVELOPMENT, AND PUBLICATION OF RESULTS. 9 8 22 0 2273798 2545721 0 32229 48170 418542 406425 2724569 3000316 59480 61647 0 2080609 2076107 0 0 879048 935249 3019137 3073003 -294568 -72687 19213526 19216294 229590 305045 18983936 18911249 BERKELEY GEOCHRONOLOGY CENTER (BGC) IS DEDICATED TO ESTABLISHING THE HISTORY OF THE EARTH, ITS VARIOUS INHABITANTS, AND ITS INTERACTIONS WITH THE REST OF OUR SOLAR SYSTEM, THROUGHOUT THE 4.6 BILLION YEARS OF OUR PLANET'S EXISTENCE. THIS MISSION IS CENTERED ON DEVELOPMENT, REFINEMENT, AND APPLICATION OF GEOLOGICAL DATING METHODS. false false 1816719 GENERAL RESEARCH - BGC'S PRIMARY ACTIVITIES INCLUDE RESEARCH ON THE NATURE AND TIMING OF EVENTS IN THE HISTORY OF EARTH AND EVOLUTION OF INHABITANTS, REFINEMENT OF TECHNOLOGY, LABORATORY METHODS, AND DISSEMINATION OF RESULTS THROUGH PUBLICATIONS AND OTHER MEDIA. 572461 COLLABORATIVE RESEARCH - RESEARCH INITIATED BY SCIENTISTS AT OTHER INSTITUTIONS WHOSE STUDIES REQUIRE GEOCHRONOLOGICAL DATA ARE OFTEN UNDERTAKEN BY BGC SCIENTISTS ON A COLLABORATIVE BASIS. 47513 61647 EDUCATIONAL OUTREACH - BGC CONDUCTS EDUCATIONAL OUTREACH WITH GRADUATE STUDENTS WHOSE RESEARCH INVOLVES GEOCHRONOLOGY, AND PROVIDES RESEARCH EXPERIENCE FOR UNDERGRADUATE STUDENTS. BGC SCIENTISTS SERVE AS RESEARCH ADVISORS TO GRADUATE STUDENTS AT UCB AND OTHER UNIVERSITIES BOTH NATIONALLY AND INTERNATIONALLY. 2436693 true true false false false false false false false false true false false true false true false false false false false false false false false false false false true true false false false false false false false false false false false false false false false false false true 5 0 false 22 true false false false false false false false 0 false false false false false false false X 9 8 false false false false false false false true true false false true true true true true true true true false CA X X TANIA BOROSTYAN 5106449200 2455 RIDGE ROAD BERKELEY CA 94709 PAUL RENNE MEMBER/PRES. 35.00 0.00 X X 212573 0 69814 WARREN SHARP GEOCHRONOLOGIST 35.00 0.00 132068 0 56279 ALAN DEINO GEOCHRONOLOGIST 35.00 0.00 146955 0 36615 ROLAND MUNDIL GEOCHRONOLOGIST 35.00 0.00 121541 0 41721 TANIA BOROSTYAN SEC./TREAS./CFO 35.00 0.00 X 97629 0 48585 WILLIAM CASSATA GEOCHRONOLOGIST 35.00 0.00 121011 0 12979 JOHN CLARKE BOARD CHAIR 2.00 0.00 X X 0 0 0 CHARLES BACON MEMBER 2.00 0.00 X 0 0 0 DONALD DANA MEMBER 1.00 0.00 X 0 0 0 DONALD DEPAOLO MEMBER 1.00 0.00 X 0 0 0 GORDON GETTY MEMBER 1.00 0.00 X 0 0 0 CHARLES MARSHALL MEMBER 1.00 0.00 X 0 0 0 JOHN REA MEMBER 1.00 0.00 X 0 0 0 NAOMA TATE MEMBER 1.00 0.00 X 0 0 0 831777 265993 5 false true false 0 983317 1562404 2545721 0 48170 48170 0 0 406425 406425 406425 406425 0 0 0 0 0 3000316 454595 0 61647 61647 0 0 428601 342623 85978 0 1082856 865634 217222 124770 99741 25029 340763 272405 68358 99117 79234 19883 0 1253 1253 41850 41850 0 0 0 5662 2636 3026 0 251525 243295 8230 0 0 212951 113992 98959 27354 27354 0 0 0 0 269515 236780 32735 85463 69766 15697 Miscellaneous 25600 10168 15432 TELECOMMUNICATIONS 14076 11418 2658 0 3073003 2436693 636310 0 142272 488691 1816544 1314606 1639541 1533554 0 0 0 0 0 48806 100512 5124735 3689884 1074784 1434851 0 0 0 0 14491579 14344080 19213526 19216294 194810 272667 34780 32378 229590 305045 X 17483936 17411249 1500000 1500000 18983936 18911249 19213526 19216294 -72687 X true X false true false X 1536465 5472162 3038429 2273798 2545721 14866575 0 0 1536465 5472162 3038429 2273798 2545721 14866575 4702580 10163995 160 3340 345534 450771 454595 1254400 0 0 16120975 0.63050 0.38470 X RESTRICTED RESTRICTED RESTRICTED RESTRICTED RESTRICTED RESTRICTED RESTRICTED RESTRICTED 735703 667181 68522 3972563 3022703 949860 416469 416469 1434851 Employee Advances 3884 Right of Use Asset - Finance Lease 14340196 14344080 X 3209519 209203 209203 3000316 3000316 3282206 209203 209203 3073003 3073003 Part X : FIN48 Footnote BGC IS A TAX-EXEMPT ORGANIZATION UNDER SECTION 501(C)(3) OF THE INTERNAL REVENUE CODE AND THE RELATED CALIFORNIA CODE SECTIONS. ACCORDINGLY, THE INCREASE IN NET ASSETS IS GENERALLY NOT SUBJECT TO TAXATION. NO PROVISION FOR INCOME TAX HAS BEEN RECORDED IN THE FINANCIAL STATEMENTS BECAUSE THERE WAS NO UNRELATED BUSINESS INCOME IN 2026 OR 2025. ACCORDINGLY, MANAGEMENT HAS EVALUATED BGC'S TAX POSITION FOR 2026 AND 2025 CONCLUDING THERE ARE NO UNCERTAIN TAX POSITIONS. true 0 0 GRADUATE STUDENT SUPPORT 1 42615 GRADUATE STUDENT SUPPORT 1 12178 GRADUATE STUDENT SUPPORT 1 3867 GRADUATE STUDENT SUPPORT 1 2987 X X X false false false false false false false false false ALAN DEINO GEOCHRONOLOGIST 146955 14695 21920 183570 PAUL RENNE MEMBER/PRES. 212573 21257 48557 282387 ROLAND MUNDIL GEOCHRONOLOGIST 121541 12154 29567 163262 WARREN SHARP GEOCHRONOLOGIST 132068 13207 43072 188347 Form 990, Part VI, Section B, Line 11b THE FORM 990 IS REVIEWED BY THE BUSINESS MANAGER WHO DISTRIBUTES COPIES TO THE PRESIDENT AND AUDIT COMMITTEE, WHICH ACTS ON BEHALF OF THE BOARD. ALL PARTIES, INCLUDING BUSINESS MANAGER, REVIEW. PRESIDENT AND AUDIT COMMITTEE RESPOND TO BUSINESS MANAGER WHO INFORMS AUDITOR OF ANY NECESSARY CHANGES. UPON RECEIPT OF UPDATED FORM, BUSINESS MANAGER, PRESIDENT, AND AUDIT COMMITTEE CONFIRM CHANGES, IF ANY. PRESIDENT SIGNS FORM. BUSINESS MANAGER COPIES AND TRANSMITS TO TAX BOARDS. Form 990, Part VI, Section B, Line 12c ALL TRANSACTIONS BETWEEN THE INSTITUTION AND BOARD MEMBERS AND/OR OFFICERS ARE DISCUSSED AT BOARD MEETINGS. COMPENSATION TO BOARD MEMBERS AND/OR OFFICERS IS REVIEWED ANNUALLY. ALL MONETARY TRANSACTIONS CONDUCTED BY THE TREASURER ARE APPROVED AND/OR REVIEWED BY THE PRESIDENT. ALL MONETARY PURCHASES BY, AND REIMBURSEMENTS TO, THE PRESIDENT ARE REVIEWED ANNUALLY BY THE BOARD. Form 990, Part VI, Section B, Line 15b THE COMPENSATION FOR OFFICERS AND KEY EMPLOYEES IS REVIEWED ANNUALLY BY THE COMPENSATION COMMITTEE OF THE BOARD AND THE BOARD OF DIRECTORS AT THE JULY BOARD MEETING. THE PRESIDENT PRESENTS FOR BOARD DELIBERATION THE EVALUATIONS OF THE WORK OF THE KEY EMPLOYEES AND ONE OFFICER. COMPARABILITY DATA ARE PRESENTED AND REVIEWED ANNUALLY. THE DELIBERATIONS AND DECISIONS ARE RECORDED IN THE MINUTES OF THE MEETING. Form 990, Part VI, Section C, Line 19 THE GOVERNING DOCUMENTS AND FINANCIAL STATEMENTS ARE AVAILABLE AT THE STATE ATTORNEY GENERAL'S (AG) WEBSITE AND WHEREVER ELSE THESE DOCUMENTS ARE PUBLISHED BY THE AG. THE ORGANIZATION HAS NOT YET PUBLISHED THE CONFLICT OF INTEREST POLICY.