![Stelios Papadopoulos](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>)
Stelios Papadopoulos
Founder at
EXELIXIS, INC.
Net worth: 61 M $ as of 2026-05-30
Profile
Dr. Stelios Papadopoulos is a Chairman at Eucrates Biomedical Acquisition Corp., a Chairman at Regulus Therapeutics, Inc., a Chairman at Biogen, Inc., a Chairman-Supervisory Board at Biogen GmbH, a Chairman & Treasurer at Fondation Santé, a Chairman at Exelixis, Inc. and an Adjunct Associate Professor at New York University. He is on the Board of Directors at Biogen Idec, Inc. (North Carolina), Diacrin, Inc. (Delaware), National Marrow Donor Program and The BioExec Institute, Inc. Dr. Papadopoulos was previously employed as an Independent Director by BG Medicine, Inc., a Founder by Cellzome Ltd., a Vice Chairman by Cowen & Co. LLC, a Chairman by Anadys Pharmaceuticals, Inc., a President by Instrumentation Laboratory Co., a Chairman by PaineWebber Development Corp., an Investment Banker by PaineWebber, Inc., a Chairman by Cellzome, Inc., and a Vice President-Equity Research Department by Drexel Burnham Lambert, Inc. He also served on the board at GenVec, Inc., SGX Pharmaceuticals, Inc., Biogen Idec New Ventures, Inc., Joule Unlimited Technologies, Inc. and Neuronyx, Inc. He received his graduate degree from New York University, an MBA from New York University and a doctorate degree from New York University.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
EXELIXIS, INC. 0.48% | 2026-05-26 | 1,197,595 ( 0.48% ) | 60 M $ | 2026-05-30 |
| 2026-04-16 | 217,578 ( 0.12% ) | 593 988 $ | 2026-05-30 |
Stelios Papadopoulos active positions
| Companies | Position | Start |
|---|---|---|
| EXELIXIS, INC. | Founder | 1994-11-14 |
| OVID THERAPEUTICS INC. | Director/Board Member | 2025-03-02 |
Epikast, Inc.
 Epikast, Inc. Packaged SoftwareTechnology Services Develops AI tools for biopharma and healthcare | Founder | - |
Duke University Medical Center
 Duke University Medical Center Other Consumer ServicesConsumer Services Functions as a College/University | Corporate Officer/Principal | - |
The BioExec Institute, Inc.
 The BioExec Institute, Inc. Miscellaneous Commercial ServicesCommercial Services Operates as network of executives in the life sciences industry | Director/Board Member | - |
Diacrin, Inc. (Delaware)
 Diacrin, Inc. (Delaware) Medical SpecialtiesHealth Technology Develops human cell transplant therapeutic products | Director/Board Member | - |
Biogen Idec, Inc. (North Carolina)
 Biogen Idec, Inc. (North Carolina) Pharmaceuticals: MajorHealth Technology Develops pharmaceutical products | Director/Board Member | 2008-06-30 |
National Marrow Donor Program
 National Marrow Donor Program Miscellaneous Commercial ServicesCommercial Services Provides treatments for those facing life-threatening blood cancers | Director/Board Member | - |
Fondation Santé | Founder | 1999-12-31 |
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Former positions of Stelios Papadopoulos
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Training of Stelios Papadopoulos
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
51
1st degree connections
29
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 29 |
|---|---|
Biogen, Inc.
 Biogen, Inc. Pharmaceuticals: MajorHealth Technology Manufactures and markets therapies for neurological and neurodegenerative diseases | Health Technology |
Diacrin, Inc. (Delaware)
Diacrin, Inc. (Delaware) Medical SpecialtiesHealth Technology Develops human cell transplant therapeutic products | Health Technology |
GenVec, Inc.
 GenVec, Inc. Pharmaceuticals: MajorHealth Technology Develops bio-pharmaceutical products | Health Technology |
Cowen & Co. LLC
 Cowen & Co. LLC Investment Banks/BrokersFinance Provides brokerage services | Finance |
Exelixis, Inc.
 Exelixis, Inc. Pharmaceuticals: MajorHealth Technology Operates as a cancer drug discovery company | Health Technology |
Anadys Pharmaceuticals, Inc.
 Anadys Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Develops and manufactures novel small molecule medicines | Health Technology |
Neuronyx, Inc.
 Neuronyx, Inc. Medical SpecialtiesHealth Technology Develops and distributes bone marrow derived stem cells | Health Technology |
BG Medicine, Inc.
 BG Medicine, Inc. Medical SpecialtiesHealth Technology Develops and manufactures diagnostic test kits | Health Technology |
Cellzome Ltd.
 Cellzome Ltd. Pharmaceuticals: MajorHealth Technology Discovers and manufactures drugs | Health Technology |
Ovid Therapeutics, Inc.
 Ovid Therapeutics, Inc. Pharmaceuticals: MajorHealth Technology Provides medicines to children and adults with neurological disorders | Health Technology |
Drexel Burnham Lambert, Inc.
 Drexel Burnham Lambert, Inc. Agricultural Commodities/MillingProcess Industries Manufactures chocolates and sugar candies. | Process Industries |
SGX Pharmaceuticals, Inc.
 SGX Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Researches and develops drugs and other pharmaceutical products | Health Technology |
Instrumentation Laboratory Co.
 Instrumentation Laboratory Co. Medical SpecialtiesHealth Technology Manufactures diagnostic products | Health Technology |
PaineWebber, Inc.
 PaineWebber, Inc. Investment Banks/BrokersFinance Provides stock brokerage and asset management services | Finance |
New York University
 New York University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Biogen Idec New Ventures, Inc.
 Biogen Idec New Ventures, Inc. Investment ManagersFinance Biogen Idec New Ventures' strategy is to select investments in companies developing innovative human therapeutic products or technologies that will drive product discovery and development more efficiently. Their specific areas of interest are companies in Biogen Idec's current therapeutic areas of neurology, oncology and immunology/inflammation, but they also seek opportunities outside these areas that fit their strategies for longer-term growth. The firm invests at all stages of development; most of their investments are in early-stage companies. They also look for investment opportunities where they can leverage their parent's resources and scientific and development expertise to support these investments. | Finance |
Duke University Medical Center
Duke University Medical Center Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Biogen Idec, Inc. (North Carolina)
Biogen Idec, Inc. (North Carolina) Pharmaceuticals: MajorHealth Technology Develops pharmaceutical products | Health Technology |
Fondation Santé | |
PaineWebber Development Corp. | |
National Marrow Donor Program
National Marrow Donor Program Miscellaneous Commercial ServicesCommercial Services Provides treatments for those facing life-threatening blood cancers | Commercial Services |
Regulus Therapeutics, Inc.
 Regulus Therapeutics, Inc. Pharmaceuticals: MajorHealth Technology Operates as a biopharmaceutical company that engages in discovering and developing of drugs | Health Technology |
Joule Unlimited Technologies, Inc.
 Joule Unlimited Technologies, Inc. Industrial SpecialtiesProcess Industries Produces renewable fuels, gases and chemicals | Process Industries |
Biogen GmbH
 Biogen GmbH Pharmaceuticals: MajorHealth Technology Discovers, develops, manufactures and supplies pharmaceutical products | Health Technology |
Cellzome, Inc.
 Cellzome, Inc. Pharmaceuticals: MajorHealth Technology Develops immune-inflammation therapy | Health Technology |
The BioExec Institute, Inc.
The BioExec Institute, Inc. Miscellaneous Commercial ServicesCommercial Services Operates as network of executives in the life sciences industry | Commercial Services |
Eucrates Biomedical Acquisition Corp.
 Eucrates Biomedical Acquisition Corp. Financial ConglomeratesFinance Operates as an blank check company | Finance |
Graviton Bioscience Corp.
 Graviton Bioscience Corp. Pharmaceuticals: MajorHealth Technology Develops novel therapeutics for the treatment of autoimmune, cancer, genetic, fibrotic and other serious diseases | Health Technology |
Epikast, Inc.
Epikast, Inc. Packaged SoftwareTechnology Services Develops AI tools for biopharma and healthcare | Technology Services |
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