![Patrick Mahaffy](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>)
Patrick Mahaffy
Director/Board Member at
Lewis & Clark College (Oregon)
Net worth: 9 284 $ as of 31/08/2026
Profile
Patrick J.
Mahaffy was the founder of Pharmion Corp., founded in 2000, where the titles held included President, Chief Executive Officer & Director from 2000 to 2008.
Mr. Mahaffy is the founder of Clovis Oncology, Inc., founded in 2009, where the titles held included President, Chief Executive Officer & Director from 2009 to 2023.
Mr. Mahaffy's current jobs include Independent Director at Medicus Pharma Ltd. starting in 2025, Trustee at Lewis & Clark College (Oregon), and Trustee at Boulder Community Hospital.
Former jobs include President & Chief Executive Officer at NeXstar Pharmaceuticals, Inc. from 1992 to 1998; President & Chief Executive Officer at NeXagen, Inc. from 1992 to 1998; Chairman at Psyadon Pharmaceuticals, Inc.; Chairman at Orexigen Therapeutics, Inc. from 2016 to 2018; Chairman at Flexion Therapeutics, Inc. from 2009 to 2021; Chairman at Nexoplex Bio, Inc.; Vice President at Warburg Pincus LLC; and Vice President at E.M.
Warburg Pincus & Co. LLC.
Education includes graduate studies at The Trustees of Columbia University in The City of New York and undergraduate studies at Lewis & Clark College (Oregon).
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
0.06% | 03/06/2026 | 35,435 ( 0.06% ) | 9 284 $ | 31/08/2026 |
Patrick Mahaffy active positions
| Companies | Position | Start |
|---|---|---|
Lewis & Clark College (Oregon)
 Lewis & Clark College (Oregon) Other Consumer ServicesConsumer Services Functions as a College/University | Director/Board Member | - |
Boulder Community Hospital
 Boulder Community Hospital Boulder Community Hospital is a healthcare company based in Boulder, CO. | Director/Board Member | - |
Former positions of Patrick Mahaffy
| Companies | Position | End |
|---|---|---|
| CLOVIS ONCOLOGY, INC. | Founder | 10/07/2023 |
| FLEXION THERAPEUTICS, INC. | Chairman | 19/11/2021 |
| GRITSTONE BIO, INC. | Chairman | 01/05/2018 |
| OREXIGEN THERAPEUTICS, INC. | Chairman | 01/01/2018 |
Pharmion Corp.
 Pharmion Corp. Pharmaceuticals: MajorHealth Technology Engages in the development and commercialization of products for the treatment of hematology & oncology patients | Founder | 01/03/2008 |
Training of Patrick Mahaffy
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
65
1st degree connections
13
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 13 |
|---|---|
Warburg Pincus LLC
 Warburg Pincus LLC Investment ManagersFinance Warburg Pincus invests in companies located across the globe. The firm focuses on a broad range of sectors and industries. It provides financing for buyout transactions. | Finance |
NeXstar Pharmaceuticals, Inc.
 NeXstar Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Develops pharmaceutical products | Health Technology |
Pharmion Corp.
Pharmion Corp. Pharmaceuticals: MajorHealth Technology Engages in the development and commercialization of products for the treatment of hematology & oncology patients | Health Technology |
Psyadon Pharmaceuticals, Inc.
 Psyadon Pharmaceuticals, Inc. Drugstore ChainsRetail Trade Specializes in the development of drugs for central nervous system diseases | Retail Trade |
Orexigen Therapeutics, Inc.
 Orexigen Therapeutics, Inc. Pharmaceuticals: MajorHealth Technology Operates as a biopharmaceutical company which focuses on the treatment of obesity | Health Technology |
Flexion Therapeutics, Inc.
 Flexion Therapeutics, Inc. Pharmaceuticals: MajorHealth Technology Operates as a biopharmaceutical company that discovers, develops and commercializes therapies for the treatment of patients with musculoskeletal conditions | Health Technology |
The Trustees of Columbia University in The City of New York
 The Trustees of Columbia University in The City of New York Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Lewis & Clark College (Oregon)
Lewis & Clark College (Oregon) Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Clovis Oncology, Inc.
 Clovis Oncology, Inc. Pharmaceuticals: MajorHealth Technology Operates as an biopharmaceutical company that acquires, develops and commercializes innovative anti cancer agents | Health Technology |
NeXagen, Inc. | |
Boulder Community Hospital
Boulder Community Hospital Boulder Community Hospital is a healthcare company based in Boulder, CO. | |
E.M. Warburg Pincus & Co. LLC
 E.M. Warburg Pincus & Co. LLC Financial ConglomeratesFinance Provides investment management services | Finance |
Gritstone bio, Inc.
 Gritstone bio, Inc. Pharmaceuticals: MajorHealth Technology Develops immunotherapies for cancer | Health Technology |
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