Nonprofit · EIN 95-2160097
SALK INSTITUTE FOR BIOLOGICAL STUDIES
Tax-exempt · LA JOLLA, CA 92037
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| June 30, 2025 | 990 | $181,393,442 | $176,890,799 | $4,502,643 | $836,148,506 | $149,172,313 | $686,976,193 |
| June 30, 2024 | 990 | $161,166,470 | $177,229,236 | -$16,062,766 | $822,778,011 | $173,371,281 | $649,406,730 |
| June 30, 2023 | 990 | $173,652,362 | $167,406,834 | $6,245,528 | $805,255,578 | $172,966,503 | $632,289,075 |
Financial details: 990 for the year ended June 30, 2025
Revenue
- Contributions, gifts and grants
- $155,691,017
- of which government grants
- $85,975,012
- Program service revenue
- $0
- Investment income
- $25,082,213
- Royalties
- $1,475,392
- Net gain from sales of assets
- $11,710,356
- Net income from fundraising events
- -$919,332
- Other revenue
- $620,212
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $3,889,796
- Other salaries and wages
- $66,776,487
- Salaries, compensation and benefits (total)
- $90,398,700
- Professional fundraising fees
- $0
- Legal fees
- $897,862
- Accounting fees
- $313,113
- Occupancy
- $12,007,536
- Travel
- $1,045,729
- Depreciation
- $12,402,044
- Program services (functional)
- $148,586,524
- Management and general (functional)
- $22,616,858
- Fundraising (functional)
- $5,687,417
Balance sheet and other
- Total assets, start of year
- $822,778,011
- Total assets, end of year
- $836,148,506
- Total liabilities, end of year
- $149,172,313
- Net assets, end of year
- $686,976,193
- Land, buildings and equipment
- $72,348,145
- Publicly traded securities
- $133,877,089
- Net assets without donor restrictions
- $140,592,218
- Net assets with donor restrictions
- $546,383,975
- Gross unrelated business income
- $574,651
- Gross receipts
- $340,360,680
- Employees
- 1,092
- Volunteers
- 26
- Year formed
- 1960
- State of legal domicile
- CA
From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.
Officers, directors and key employees
As listed on the 990 for the year ended June 30, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| GERALD JOYCE MD PHD | PRESIDENT / PROFESSOR Trustee or director, Officer | 50 | $907,583 | $62,377 |
| JAN KARLSEDER PHD | PROFESSOR Highest-paid employee | 50 | $490,287 | $64,146 |
| FRED GAGE PHD | PROFESSOR Highest-paid employee | 50 | $453,121 | $63,722 |
| JULIA A MILLER JD | SECRETARY/GENERAL COUNSEL Officer | 50 | $430,675 | $68,461 |
| KIM E WITMER | TREASURER/SVP FINANCE & ADMN (OUTGOING OCT 2024) Officer | 50 | $446,572 | $49,909 |
| REUBEN SHAW PHD | TRUSTEE/PROFESSOR (OUTGOING MAR 2025) Trustee or director | 50 | $411,517 | $58,573 |
| EDWARD CALLAWAY PHD | PROFESSOR Highest-paid employee | 50 | $383,288 | $65,927 |
| SUSAN KAECH PHD | PROFESSOR Highest-paid employee | 50 | $356,518 | $65,789 |
| KIMBERLY CASTILLO | CHIEF FINANCIAL OFFICER Officer | 50 | $353,369 | $61,838 |
| WOLFGANG BUSCH PHD | TRUSTEE/PROFESSOR Trustee or director | 50 | $340,005 | $60,872 |
| JERRY SHEEHAN | CHIEF INFORMATION OFFICER Highest-paid employee | 50 | $354,307 | $44,255 |
| CHRISTIAN METALLO PHD | TRUSTEE/PROFESSOR (INCOMING APR 2025) Trustee or director | 50 | $310,492 | $59,952 |
| JANELLE AYRES PHD | TRUSTEE/PROFESSOR Trustee or director | 50 | $203,498 | $30,094 |
| MARNA C WHITTINGTON PHD | CHAIR Trustee or director, Officer | 2 | $0 | $0 |
| TERRY ROSEN PHD | VICE CHAIR Trustee or director, Officer | 2 | $0 | $0 |
24 more people on this return
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| AMY JACOBS | TRUSTEE Trustee or director | 0.5 | $0 |
| BENJAMIN H LEWIS | TRUSTEE Trustee or director | 0.5 | $0 |
| CAROL GALLAGHER PHARMD | TRUSTEE Trustee or director | 2 | $0 |
| CORINNE MENTZELOPOULOS | TRUSTEE Trustee or director | 0.5 | $0 |
| DANIEL C LEWIS | TRUSTEE (OUTGOING NOV 2024) Trustee or director | 0.5 | $0 |
| DANIEL TIERNEY | TRUSTEE Trustee or director | 0.5 | $0 |
| DAVID DOLBY | TRUSTEE Trustee or director | 0.5 | $0 |
| EDWIN K HUNTER | TRUSTEE (OUTGOING NOV 2024) Trustee or director | 0.5 | $0 |
| ERIC SAGERMAN | TRUSTEE Trustee or director | 2 | $0 |
| FRED LUDDY | TRUSTEE Trustee or director | 0.5 | $0 |
| FREDERICK J DOTZLER | TRUSTEE Trustee or director | 0.5 | $0 |
| FREDERIK PAULSEN PHD | TRUSTEE Trustee or director | 0.5 | $0 |
| HAEYOUNG KONG TANG PHD | TRUSTEE Trustee or director | 2 | $0 |
| HORACIO VALEIRAS | TRUSTEE (INCOMING MAY 2025) Trustee or director | 0.5 | $0 |
| HOWARD H NEWMAN PHD | TRUSTEE Trustee or director | 0.5 | $0 |
| IRVING WEISSMAN MD | TRUSTEE Trustee or director | 0.5 | $0 |
| JAY FLATLEY | TRUSTEE Trustee or director | 0.5 | $0 |
| LYN HUTTON | TRUSTEE Trustee or director | 2 | $0 |
| MARK KNICKREHM | TRUSTEE Trustee or director | 0.5 | $0 |
| MARKUS REINHARD | TRUSTEE Trustee or director | 2 | $0 |
| MARY JANE SALK | TRUSTEE Trustee or director | 0.5 | $0 |
| RICHARD A HEYMAN PHD | TRUSTEE Trustee or director | 2 | $0 |
| SANJAY K JHA PHD | TRUSTEE Trustee or director | 0.5 | $0 |
| TIMOTHY M SCHOEN | TRUSTEE Trustee or director | 2 | $0 |
990 for the year ended June 30, 2024: 39 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| GERALD JOYCE MD PHD | PRESIDENT / PROFESSOR Trustee or director, Officer | 50 | $761,791 | $56,240 |
| FRED GAGE PHD | PROFESSOR Highest-paid employee | 50 | $585,895 | $58,365 |
| KIM E WITMER | TREASURER/SVP FINANCE & ADMN Officer | 50 | $523,931 | $48,414 |
| BRYAN ROBINSON | VP, EXTERNAL RELATIONS Highest-paid employee | 50 | $500,110 | $47,465 |
| JULIA A MILLER JD | SECRETARY/GENERAL COUNSEL Officer | 50 | $414,822 | $62,210 |
| RONALD EVANS PHD | PROFESSOR Highest-paid employee | 50 | $435,269 | $35,772 |
| REUBEN SHAW PHD | TRUSTEE/PROFESSOR Trustee or director, Highest-paid employee | 50 | $408,448 | $53,564 |
| SAMUEL PFAFF PHD | PROFESSOR Highest-paid employee | 50 | $379,480 | $57,673 |
| WOLFGANG BUSCH PHD | TRUSTEE/PROFESSOR Trustee or director | 50 | $349,121 | $49,249 |
| KIMBERLY CASTILLO | CHIEF FINANCIAL OFFICER Officer | 50 | $325,608 | $56,562 |
| JANELLE AYRES PHD | TRUSTEE/PROFESSOR Trustee or director | 50 | $269,237 | $40,484 |
| TATYANA SHARPEE PHD | TRUSTEE/PROFESSOR (OUTGOING MAR 2024) Trustee or director | 50 | $259,119 | $45,248 |
| MARKUS REINHARD | VICE CHAIR Trustee or director, Officer | 2 | $0 | $0 |
| MARNA C WHITTINGTON PHD | CHAIR Trustee or director, Officer | 2 | $0 | $0 |
| RICHARD A HEYMAN PHD | VICE CHAIR Trustee or director, Officer | 2 | $0 | $0 |
| ALAN D GOLD | TRUSTEE (OUTGOING NOV 2023) Trustee or director | 0.5 | $0 | $0 |
| AMY JACOBS | TRUSTEE Trustee or director | 0.5 | $0 | $0 |
| BENJAMIN H LEWIS | TRUSTEE Trustee or director | 0.5 | $0 | $0 |
| CAROL GALLAGHER PHARMD | TRUSTEE Trustee or director | 0.5 | $0 | $0 |
| CORINNE MENTZELOPOULOS | TRUSTEE Trustee or director | 0.5 | $0 | $0 |
| DANIEL C LEWIS | TRUSTEE Trustee or director | 0.5 | $0 | $0 |
| DANIEL TIERNEY | TRUSTEE Trustee or director | 0.5 | $0 | $0 |
| DAVID DOLBY | TRUSTEE Trustee or director | 0.5 | $0 | $0 |
| DENNIS DRIVER | TRUSTEE (OUTGOING JULY 2023) Trustee or director | 0.5 | $0 | $0 |
| EDWIN K HUNTER | TRUSTEE Trustee or director | 0.5 | $0 | $0 |
| ERIC SAGERMAN | TRUSTEE Trustee or director | 2 | $0 | $0 |
| FREDERICK J DOTZLER | TRUSTEE Trustee or director | 0.5 | $0 | $0 |
| FREDERIK PAULSEN PHD | TRUSTEE Trustee or director | 0.5 | $0 | $0 |
| HAEYOUNG KONG TANG PHD | TRUSTEE Trustee or director | 2 | $0 | $0 |
| HOWARD H NEWMAN PHD | TRUSTEE Trustee or director | 0.5 | $0 | $0 |
| IRVING WEISSMAN MD | TRUSTEE Trustee or director | 0.5 | $0 | $0 |
| IRWIN M JACOBS SM SCD | CHAIR EMERITUS (OUTGOING NOV 2023) Trustee or director | 2 | $0 | $0 |
| JAY FLATLEY | TRUSTEE Trustee or director | 2 | $0 | $0 |
| LYN HUTTON | TRUSTEE Trustee or director | 2 | $0 | $0 |
| MARK KNICKREHM | TRUSTEE Trustee or director | 0.5 | $0 | $0 |
| MARY JANE SALK | TRUSTEE Trustee or director | 0.5 | $0 | $0 |
| SANJAY K JHA PHD | TRUSTEE Trustee or director | 0.5 | $0 | $0 |
| TERRY ROSEN PHD | TRUSTEE Trustee or director | 2 | $0 | $0 |
| TIMOTHY M SCHOEN | TRUSTEE Trustee or director | 2 | $0 | $0 |
990 for the year ended June 30, 2023: 42 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| FRED GAGE PHD | PRESIDENT (OUTGOING APRIL 2023)/PROFESSOR Trustee or director, Officer | 50 | $884,422 | $53,918 |
| KIM E WITMER | TREASURER/SVP FINANCE & ADMN Officer | 50 | $483,502 | $46,561 |
| GERALD JOYCE MD PHD | PRESIDENT (INCOMING APRIL 2023)/PROFESSOR Trustee or director, Officer | 50 | $451,511 | $51,587 |
| MARTIN HETZER PHD | CSO (OUTGOING MARCH 2023)/PROFESSOR Highest-paid employee | 50 | $438,679 | $56,018 |
| REUBEN SHAW PHD | TRUSTEE/PROFESSOR Trustee or director | 50 | $414,745 | $48,741 |
| RONALD EVANS PHD | PROFESSOR Highest-paid employee | 50 | $427,878 | $32,096 |
| JULIA A MILLER JD | SECRETARY/GENERAL COUNSEL Officer | 50 | $391,828 | $56,235 |
| SAMUEL PFAFF PHD | PROFESSOR Highest-paid employee | 50 | $366,432 | $55,964 |
| EDWARD CALLAWAY PHD | PROFESSOR Highest-paid employee | 50 | $354,745 | $52,713 |
| KIMBERLY CASTILLO | CHIEF FINANCIAL OFFICER Officer | 50 | $311,772 | $51,400 |
| DAVID LAWRENCE | EXECUTIVE DIRECTOR, HPI Highest-paid employee | 50 | $361,608 | $1,095 |
| WOLFGANG BUSCH PHD | TRUSTEE/PROFESSOR Trustee or director | 50 | $306,970 | $43,076 |
| MARTYN GOULDING PHD | TRUSTEE/PROFESSOR Trustee or director | 50 | $266,191 | $47,114 |
| TATYANA SHARPEE PHD | TRUSTEE/PROFESSOR Trustee or director | 50 | $255,675 | $41,957 |
| MARNA C WHITTINGTON PHD | CHAIR Trustee or director, Officer | 2 | $0 | $0 |
| RICHARD A HEYMAN PHD | VICE CHAIR Trustee or director, Officer | 2 | $0 | $0 |
| ALAN D GOLD | TRUSTEE Trustee or director | 0.5 | $0 | $0 |
| BENJAMIN H LEWIS | TRUSTEE Trustee or director | 0.5 | $0 | $0 |
| CAROL GALLAHER PHARMD | TRUSTEE Trustee or director | 0.5 | $0 | $0 |
| CORINNE MENTZELOPOULOS | TRUSTEE Trustee or director | 0.5 | $0 | $0 |
| DANIEL C LEWIS | TRUSTEE Trustee or director | 0.5 | $0 | $0 |
| DANIEL TIERNEY | TRUSTEE Trustee or director | 0.5 | $0 | $0 |
| DAVID DOLBY | TRUSTEE Trustee or director | 0.5 | $0 | $0 |
| DENNIS DRIVER | TRUSTEE Trustee or director | 2 | $0 | $0 |
| DONALD L COHN | TRUSTEE (OUTGOING AUGUST 2022) Trustee or director | 0.5 | $0 | $0 |
| EDWIN K HUNTER | TRUSTEE Trustee or director | 0.5 | $0 | $0 |
| ERIC SAGERMAN | TRUSTEE Trustee or director | 2 | $0 | $0 |
| FREDERICK J DOTZLER | TRUSTEE Trustee or director | 2 | $0 | $0 |
| FREDERIK PAULSEN PHD | TRUSTEE Trustee or director | 0.5 | $0 | $0 |
| HAEYOUNG KONG TANG PHD | TRUSTEE Trustee or director | 2 | $0 | $0 |
| HOWARD H NEWMAN PHD | TRUSTEE Trustee or director | 0.5 | $0 | $0 |
| IRVING WEISSMAN MD | TRUSTEE Trustee or director | 0.5 | $0 | $0 |
| IRWIN M JACOBS SM SCD | CHAIR EMERITUS Trustee or director | 2 | $0 | $0 |
| JAY FLATLEY | TRUSTEE Trustee or director | 2 | $0 | $0 |
| LARRY E JENNINGS | TRUSTEE (OUTGOING AUGUST 2022) Trustee or director | 0.5 | $0 | $0 |
| LYN HUTTON | TRUSTEE Trustee or director | 2 | $0 | $0 |
| MARK KNICKREHM | TRUSTEE Trustee or director | 0.5 | $0 | $0 |
| MARKUS REINHARD | VICE CHAIR Trustee or director | 2 | $0 | $0 |
| MARY JANE SALK | TRUSTEE Trustee or director | 0.5 | $0 | $0 |
| SANJAY K JHA PHD | TRUSTEE Trustee or director | 0.5 | $0 | $0 |
| TERRY ROSEN PHD | TRUSTEE Trustee or director | 2 | $0 | $0 |
| TIMOTHY M SCHOEN | TRUSTEE Trustee or director | 2 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 10010 N TORREY PINES RD, LA JOLLA, CA 92037-1002
- In care of
- % PAYROLL DEPARTMENT
- Principal officer (990 for 2024)
- GERALD JOYCE, 10010 N TORREY PINES ROAD, LA JOLLA, CA 920371002
- Signed the 990
- Marie Carter-Dubois, CFO
- Phone
- (858) 453-4100
- Website
- WWW.SALK.EDU
- Return prepared by
- ERNST & YOUNG US LLP
California records
California keeps its own records of charities and corporations. Search them by EIN 95-2160097 or by the name SALK INSTITUTE FOR BIOLOGICAL STUDIES.
- Attorney General, Registry of Charities and Fundraisers
- Registration status and filed reports (CT-TR-1, RRF-1)
- Secretary of State, bizfile Online
- Corporation status, entity number, agent for service
- Franchise Tax Board
- Entity status letter (state tax exemption, good standing)
Mission
UNLOCKING THE SECRETS OF LIFE ITSELF IS THE DRIVING FORCE BEHIND THE SALK INSTITUTE. OUR TEAM OF WORLD-CLASS, AWARD-WINNING SCIENTISTS PUSHES BOUNDARIES OF KNOWLEDGE IN AREAS SUCH AS NEUROSCIENCE, CANCER RESEARCH, AGING, IMMUNOBIOLOGY, PLANT BIOLOGY, COMPUTATIONAL BIOLOGY, AND MORE. FOUNDED BY JONAS SALK, DEVELOPER OF THE FIRST SAFE AND EFFECTIVE POLIO VACCINE, THE INSTITUTE IS AN INDEPENDENT, NONPROFIT RESEARCH ORGANIZATION AND ARCHITECTURAL LANDMARK: SMALL BY CHOICE, INTIMATE BY NATURE, AND FEARLESS IN THE FACE OF ANY CHALLENGE.
Program accomplishments
- SEE SCHEDULE OExpenses $148,586,524
What it must file and when
IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in June, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | June 30, 2026 | November 16, 2026 | Not due yet |
| 2024 | June 30, 2025 | November 17, 2025 | 990 on file |
| 2023 | June 30, 2024 | November 15, 2024 | 990 on file |
IRS record
- EIN
- 95-2160097
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (170(b)(1)(A)(vi))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 1961
- Accounting year ends
- June
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Science and technology (U500)
- Assets (IRS master file)
- $836,148,506
- Income (IRS master file)
- $340,360,680
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | June 2025 | $181,393,442 | $176,890,799 | $836,148,506 | IRS |
| 990-T | June 2025 | – | – | – | IRS |
| 990 | June 2024 | $161,166,470 | $177,229,236 | $822,778,011 | XML |
| 990-T | June 2024 | – | – | – | IRS |
| 990 | June 2023 | $173,652,362 | $167,406,834 | $805,255,578 | XML |
| 990-T | June 2023 | – | – | – | IRS |
| 990 | June 2022 | $162,334,440 | $161,391,671 | $759,827,038 | IRS |
| 990-T | June 2022 | – | – | – | IRS |
| 990 | June 2021 | – | – | – | IRS |
| 990-T | June 2021 | – | – | – | IRS |
| 990 | June 2020 | – | – | – | IRS |
| 990 | June 2018 | – | – | – | IRS |
990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 95-2160097).
Questions about SALK INSTITUTE FOR BIOLOGICAL STUDIES
- What is the EIN of SALK INSTITUTE FOR BIOLOGICAL STUDIES?
- The employer identification number (EIN) of SALK INSTITUTE FOR BIOLOGICAL STUDIES is 95-2160097.
- Is SALK INSTITUTE FOR BIOLOGICAL STUDIES tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1961.
- Are donations to SALK INSTITUTE FOR BIOLOGICAL STUDIES tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does SALK INSTITUTE FOR BIOLOGICAL STUDIES file?
- Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
- When is the next return of SALK INSTITUTE FOR BIOLOGICAL STUDIES due?
- The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did SALK INSTITUTE FOR BIOLOGICAL STUDIES last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended June 2025.
- Who is the principal officer of SALK INSTITUTE FOR BIOLOGICAL STUDIES?
- The 990 for the year ended June 30, 2025 names GERALD JOYCE.
- Who are the officers and directors of SALK INSTITUTE FOR BIOLOGICAL STUDIES?
- The 990 for the year ended June 30, 2025 lists 39 people; 13 received compensation from the organization, the highest $907,583 (GERALD JOYCE MD PHD, PRESIDENT / PROFESSOR).
- How much revenue does SALK INSTITUTE FOR BIOLOGICAL STUDIES have?
- On its 990 for the year ended June 30, 2025 it reported revenue of $181,393,442, expenses of $176,890,799 and total assets of $836,148,506 at year end.
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