![Gary Jacob](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 Jacob
Director/Board Member at
ACTAVIA LIFE SCIENCES, INC.
Net worth: 188 866 $ as of 31/07/2026
Profile
Gary S.
Jacob is the founder of Synergy Pharmaceuticals, Inc., founded in 2008.
Titles held include Chairman, President & Chief Executive Officer from 2013 to 2017.
Dr. Jacob is also the founder of Synergy Pharmaceuticals LLC.
Current jobs include Chief Development Officer & Executive Director at OKYO Pharma Ltd. starting in 2026, and Independent Director at Actavia Life Sciences, Inc. starting in 2020.
Former jobs include President, Chief Executive Officer & Director at Callisto Pharmaceuticals, Inc. from 2004 to 2013; President, Chief Executive Officer & Director at Pawfect Foods, Inc. in 2008; CEO, Non-Executive Director & Managing Director at Immuron Ltd. from 2019 to 2020; Chairman at Hepion Pharmaceuticals, Inc. from 2014 to 2024; Chairman at Synergy DE in 2008; Director-Functional Genomics, Science & Technology at Monsanto Co. from 1997 to 1998; Independent Director at Cardiff Oncology, Inc. from 2012 to 2021; Glycobiology Director at G.D.
Searle LLC from 1990 to 1997; Independent Director at Virpax Pharmaceuticals, Inc. from 2020 to 2022; Manager-Searle Glycobiology Group at the University of Oxford in 1990.
Education includes a doctorate from the University of Wisconsin and undergraduate degree from the University of Missouri-St. Louis.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
OKYO PHARMA LIMITED 0.22% | 22/07/2026 | 112,420 ( 0.22% ) | 188 866 $ | 31/07/2026 |
Gary Jacob active positions
| Companies | Position | Start |
|---|---|---|
| ACTAVIA LIFE SCIENCES, INC. | Director/Board Member | 23/12/2020 |
| WEST AFRICAN MINERALS CORP | Director/Board Member | 07/01/2021 |
Former positions of Gary Jacob
| Companies | Position | End |
|---|---|---|
| HEPION PHARMACEUTICALS, INC. | Chief Executive Officer | 19/03/2014 |
| VIRPAX PHARMACEUTICALS, INC. | Director/Board Member | 25/07/2022 |
| IMMURON LIMITED | Chief Executive Officer | 25/03/2020 |
| SYNERGY PHARMACEUTICALS INC | Chief Executive Officer | 19/12/2017 |
Synergy Pharmaceuticals, Inc. /Old/
 Synergy Pharmaceuticals, Inc. /Old/ Pharmaceuticals: MajorHealth Technology Researches and develops drugs to treat hepatitis C, hepatitis B, epilepsy and brain cancer | Chief Executive Officer | 01/10/2017 |
Training of Gary Jacob
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
80
1st degree connections
16
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 16 |
|---|---|
Monsanto Co.
 Monsanto Co. Miscellaneous Commercial ServicesCommercial Services Operates as a biotechnology company controlling insects and weeds & manufactures seeds and genomics | Commercial Services |
Callisto Pharmaceuticals, Inc.
 Callisto Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Researches and develops novel therapeutics to treat cancer | Health Technology |
Pawfect Foods, Inc.
 Pawfect Foods, Inc. Specialty StoresRetail Trade Sells pet food via the internet | Retail Trade |
OKYO Pharma Ltd.
 OKYO Pharma Ltd. BiotechnologyHealth Technology Develops next-generation therapeutics to improve the lives of patients suffering from inflammatory eye diseases | Health Technology |
Hepion Pharmaceuticals, Inc.
 Hepion Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Develops drug therapy for treatment of chronic liver diseases | Health Technology |
Synergy Pharmaceuticals, Inc. /Old/
Synergy Pharmaceuticals, Inc. /Old/ Pharmaceuticals: MajorHealth Technology Researches and develops drugs to treat hepatitis C, hepatitis B, epilepsy and brain cancer | Health Technology |
University of Oxford
 University of Oxford Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Cardiff Oncology, Inc.
 Cardiff Oncology, Inc. Medical SpecialtiesHealth Technology Develops diagnostic products | Health Technology |
University of Wisconsin
 University of Wisconsin Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Immuron Ltd.
 Immuron Ltd. Pharmaceuticals: MajorHealth Technology Operates as a biopharmaceutical company | Health Technology |
Synergy Pharmaceuticals LLC
 Synergy Pharmaceuticals LLC Pharmaceuticals: MajorHealth Technology Develops drugs to treat gastrointestinal disorders and diseases | Health Technology |
G.D. Searle LLC | |
Synergy DE | |
University of Missouri-St. Louis
 University of Missouri-St. Louis Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Actavia Life Sciences, Inc.
 Actavia Life Sciences, Inc. Pharmaceuticals: MajorHealth Technology Develops pharmaceuticals | Health Technology |
Virpax Pharmaceuticals, Inc.
 Virpax Pharmaceuticals, Inc. Miscellaneous Commercial ServicesCommercial Services Operates as a preclinical-stage pharmaceutical company that develops non-addictive pain and neurological disorders | Commercial Services |
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