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James Bristol
Chairman at
ERNEXA THERAPEUTICS INC.
Net worth: 4 M $ as of 2026-08-30
Profile
Dr. James A. Bristol is a Chairman at Ernexa Therapeutics, Inc., a Lead Independent Director at Erasca, Inc., a Senior Advisor at Frazier Management LLC, a Co-Chairman at Deciphera Pharmaceuticals LLC and a Chairman-Medicinal Chemistry at Gordon Research Conferences.
He is on the Board of Directors at Erasca, Inc. and Protypia, Inc. Dr. Bristol was previously employed as an Independent Director by Ignyta, Inc., an Independent Director by Deciphera Pharmaceuticals, Inc., a Vice President-Discovery Research by Pfizer (St. Louis), a Senior Vice President-Worldwide Discovery Research by Pfizer Inc., a Vice President-Discovery Research by Warner-Lambert Co., an Executive-in-Residence by Oxford Bioscience Partners, and a Member by The Polycystic Kidney Disease Research Foundation.
He also served on the board at Sudo Biosciences, Inc. and Cadent Therapeutics, Inc. He received his undergraduate degree from Bates College and a doctorate degree from the University of New Hampshire.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
ERASCA, INC. 0.06% | 2026-06-25 | 207,500 ( 0.06% ) | 4 M $ | 2026-08-30 |
| 2026-08-30 | 0 ( -.--% ) | - $ | 2026-08-30 |
James Bristol active positions
| Companies | Position | Start |
|---|---|---|
| ERASCA, INC. | Director/Board Member | 2018-05-31 |
| ERNEXA THERAPEUTICS INC. | Chairman | 2023-12-18 |
Protypia, Inc.
 Protypia, Inc. Miscellaneous Commercial ServicesCommercial Services Provides targeted tissue-based protein and peptide mass spectrometry solutions | Director/Board Member | - |
Frazier Management LLC
 Frazier Management LLC Investment ManagersFinance Frazier Healthcare Partners invests in companies located in the United States. The firm targets companies operating in the fields of medical products & distribution, pharmaceuticals and healthcare service sectors. It provides financing for buyout and growth stage capital requirements. | Consultant / Advisor | 2008-12-31 |
Gordon Research Conferences
 Gordon Research Conferences Miscellaneous Commercial ServicesCommercial Services Operates as a nonprofit organization that organizes scientific research conferences and seminars | Corporate Officer/Principal | - |
Deciphera Pharmaceuticals LLC
 Deciphera Pharmaceuticals LLC BiotechnologyHealth Technology Discovers and develops pharmaceutical preparations | Chairman | 2009-03-24 |
Former positions of James Bristol
| Companies | Position | End |
|---|---|---|
| DECIPHERA PHARMACEUTICALS, INC. | Chairman | 2023-08-02 |
Sudo Biosciences, Inc.
 Sudo Biosciences, Inc. Pharmaceuticals: MajorHealth Technology Operates as a biopharmaceutical company that designs and develops medicines that target the tyrosine kinase | Director/Board Member | 2023-11-30 |
Cadent Therapeutics, Inc.
 Cadent Therapeutics, Inc. Pharmaceuticals: MajorHealth Technology Develops novel small molecule therapeutics to treat schizophrenia and other cognitive disorders | Director/Board Member | 2020-12-31 |
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Training of James Bristol
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
80
1st degree connections
17
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 17 |
|---|---|
Pfizer Inc.
 Pfizer Inc. Pharmaceuticals: MajorHealth Technology Engages in discovery, development, manufacturing, marketing, sale and distribution of biopharmaceutical products & ingredients | Health Technology |
Warner-Lambert Co.
 Warner-Lambert Co. Pharmaceuticals: MajorHealth Technology Manufactures and markets pharmaceuticals, consumer health care and confectionery products | Health Technology |
Frazier Management LLC
Frazier Management LLC Investment ManagersFinance Frazier Healthcare Partners invests in companies located in the United States. The firm targets companies operating in the fields of medical products & distribution, pharmaceuticals and healthcare service sectors. It provides financing for buyout and growth stage capital requirements. | Finance |
Oxford Bioscience Partners
 Oxford Bioscience Partners Investment ManagersFinance Oxford Bioscience Partners (OBP) focuses on investments in emerging, entrepreneurial-driven companies in the life sciences and healthcare sectors. They look for companies in the medical devices, R&D instruments and systems and therapeutics industries and for companies with breakthrough life sciences technology. The firm also invests in non-life science based technologies that have novel healthcare applications. OBP considers investments at almost any stage, but they place emphasis on early-stage opportunities. Investments range from $1 million to $10 million, but they may also make smaller seed investments in certain situations. OBP acts as the lead investor to organize an appropriate syndicate of co-investors. They consider investments in almost all geographic locations. | Finance |
Bates College
 Bates College Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
University of New Hampshire
 University of New Hampshire Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Pfizer (St. Louis)
 Pfizer (St. Louis) BiotechnologyHealth Technology Provides research services in prescription medicines for humans and animals | Health Technology |
Gordon Research Conferences
Gordon Research Conferences Miscellaneous Commercial ServicesCommercial Services Operates as a nonprofit organization that organizes scientific research conferences and seminars | Commercial Services |
The Polycystic Kidney Disease Research Foundation
 The Polycystic Kidney Disease Research Foundation Miscellaneous Commercial ServicesCommercial Services Operates as a nonprofit healthcare organization that focused on polycystic kidney diseases | Commercial Services |
Deciphera Pharmaceuticals LLC
Deciphera Pharmaceuticals LLC BiotechnologyHealth Technology Discovers and develops pharmaceutical preparations | Health Technology |
Cadent Therapeutics, Inc.
Cadent Therapeutics, Inc. Pharmaceuticals: MajorHealth Technology Develops novel small molecule therapeutics to treat schizophrenia and other cognitive disorders | Health Technology |
Ignyta, Inc.
 Ignyta, Inc. BiotechnologyHealth Technology Operates as a medicine biotechnology company which provides new drugs services for cancer patients | Health Technology |
Deciphera Pharmaceuticals, Inc.
 Deciphera Pharmaceuticals, Inc. BiotechnologyHealth Technology Develops novel drug candidates to improve the lives of cancer patients | Health Technology |
Erasca, Inc.
 Erasca, Inc. Pharmaceuticals: MajorHealth Technology Develops, discovers and commercializes therapies for RAS/MAPK pathway-driven cancers | Health Technology |
Eterna Therapeutics, Inc.
 Eterna Therapeutics, Inc. Pharmaceuticals: MajorHealth Technology Operates as biopharmaceutical company which develops cytokine-based drugs for the treatment of cancer | Health Technology |
Sudo Biosciences, Inc.
Sudo Biosciences, Inc. Pharmaceuticals: MajorHealth Technology Operates as a biopharmaceutical company that designs and develops medicines that target the tyrosine kinase | Health Technology |
Protypia, Inc.
Protypia, Inc. Miscellaneous Commercial ServicesCommercial Services Provides targeted tissue-based protein and peptide mass spectrometry solutions | Commercial Services |
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