![Gary Nabel](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Gary Nabel
Director/Board Member at
SIGA TECHNOLOGIES, INC.
Net worth: 31 M $ as of 31/08/2026
Profile
Dr. Gary J.
Nabel is an Independent Director at Candel Therapeutics, Inc., a Director & Chief Innovation Officer at OPKO Health, Inc., an Independent Director at SIGA Technologies, Inc. and a President & Chief Executive Officer at ModeX Therapeutics, Inc. He is on the Board of Directors at Candel Therapeutics, Inc., OPKO Health, Inc. and SIGA Technologies, Inc. Dr. Nabel was previously employed as a Chief Scientific Officer & Senior Vice President by Sanofi, a Director-Vaccine Research Center by National Institutes of Health, and a Chairman by Keystone Symposia.
He received his undergraduate degree from Harvard College, a doctorate degree from Harvard University and a doctorate degree from Harvard Medical School.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
OPKO HEALTH, INC. 2.84% | 27/05/2025 | 21,185,169 ( 2.84% ) | 31 M $ | 31/08/2026 |
| 09/06/2026 | 73,754 ( 0.1% ) | 231 588 $ | 31/08/2026 | |
| 23/06/2026 | 5,353 ( 0.01% ) | 69 964 $ | 31/08/2026 |
Gary Nabel active positions
| Companies | Position | Start |
|---|---|---|
| SIGA TECHNOLOGIES, INC. | Director/Board Member | 15/06/2021 |
| OPKO HEALTH, INC. | Director/Board Member | 09/05/2022 |
| CANDEL THERAPEUTICS, INC. | Director/Board Member | 08/08/2022 |
Modex Therapeutics, Inc.
 Modex Therapeutics, Inc. Pharmaceuticals: MajorHealth Technology Develops multi-specific immune therapies for cancer and infectious diseases | Chief Executive Officer | 01/10/2020 |
Former positions of Gary Nabel
| Companies | Position | End |
|---|---|---|
| SANOFI | Chief Tech/Sci/R&D Officer | 01/11/2020 |
National Institutes of Health
 National Institutes of Health General GovernmentGovernment Engages in the improvement of health and saving lives | Corporate Officer/Principal | 01/01/2012 |
Keystone Symposia
 Keystone Symposia Miscellaneous Commercial ServicesCommercial Services Operates nonprofit organization that convenes open, peer-reviewed conferences across a broad range of the life sciences | Chairman | - |
Training of Gary Nabel
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
78
1st degree connections
10
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 10 |
|---|---|
SIGA Technologies, Inc.
 SIGA Technologies, Inc. Pharmaceuticals: MajorHealth Technology Develops vaccines and antibiotics | Health Technology |
Sanofi
 Sanofi Pharmaceuticals: MajorHealth Technology Engages in research, development and production of pharmaceuticals & vaccines | Health Technology |
Harvard University
 Harvard University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
National Institutes of Health
National Institutes of Health General GovernmentGovernment Engages in the improvement of health and saving lives | Government |
OPKO Health, Inc.
 OPKO Health, Inc. Medical/Nursing ServicesHealth Services Engages in biopharmaceutical and diagnostics | Health Services |
Keystone Symposia
Keystone Symposia Miscellaneous Commercial ServicesCommercial Services Operates nonprofit organization that convenes open, peer-reviewed conferences across a broad range of the life sciences | Commercial Services |
Harvard Medical School
 Harvard Medical School Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Candel Therapeutics, Inc.
 Candel Therapeutics, Inc. BiotechnologyHealth Technology Develops and distributes immunotherapies for the treatment of cancer | Health Technology |
Harvard College
 Harvard College Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Modex Therapeutics, Inc.
Modex Therapeutics, Inc. Pharmaceuticals: MajorHealth Technology Develops multi-specific immune therapies for cancer and infectious diseases | Health Technology |
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