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Bryan Giraudo
Director of Finance/CFO at
GOSSAMER BIO, INC.
Net worth: 6 M $ as of 31/08/2026
Profile
Bryan Giraudo is currently an Independent Director at Valerio Therapeutics SA since 2021, an Independent Director at Protagonist Therapeutics, Inc. since 2018, and Chief Financial & Operating Officer at Gossamer Bio, Inc. since 2021.
Former positions include Senior Managing Director at Leerink Partners LLC from 2009 to 2018, Managing Director at Merrill Lynch & Co., Inc. from 1997 to 2009, and Managing Director at Pierce Fenner & Smith, Inc. Education includes an undergraduate degree from Georgetown University conferred in 1997.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 08/05/2026 | 40,520 ( 0.06% ) | 6 M $ | 31/08/2026 | |
GOSSAMER BIO, INC. 0.12% | 14/09/2026 | 572,880 ( 0.12% ) | 97 390 $ | 31/08/2026 |
Bryan Giraudo active positions
| Companies | Position | Start |
|---|---|---|
| PROTAGONIST THERAPEUTICS, INC. | Director/Board Member | 16/05/2018 |
| GOSSAMER BIO, INC. | Director of Finance/CFO | 07/05/2018 |
| VALERIO THERAPEUTICS | Director/Board Member | 23/11/2021 |
Former positions of Bryan Giraudo
| Companies | Position | End |
|---|---|---|
Leerink Partners LLC
 Leerink Partners LLC Investment Banks/BrokersFinance Provides brokerage services | Corporate Officer/Principal | 01/05/2018 |
Merrill Lynch & Co., Inc.
 Merrill Lynch & Co., Inc. Investment ManagersFinance Provides wealth management, securities trading and sales, corporate finance and investment banking services | Corporate Officer/Principal | 01/07/2009 |
Pierce Fenner & Smith, Inc.
 Pierce Fenner & Smith, Inc. Investment Banks/BrokersFinance Provides securities brokerage services | Corporate Officer/Principal | - |
Training of Bryan Giraudo
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
96
1st degree connections
7
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 7 |
|---|---|
Leerink Partners LLC
Leerink Partners LLC Investment Banks/BrokersFinance Provides brokerage services | Finance |
Pierce Fenner & Smith, Inc.
Pierce Fenner & Smith, Inc. Investment Banks/BrokersFinance Provides securities brokerage services | Finance |
Valerio Therapeutics SA
 Valerio Therapeutics SA Pharmaceuticals: MajorHealth Technology Develops drugs for the treatment of cancer | Health Technology |
Georgetown University
 Georgetown University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Protagonist Therapeutics, Inc.
 Protagonist Therapeutics, Inc. Pharmaceuticals: MajorHealth Technology Manufactures peptide based therapeutic products | Health Technology |
Merrill Lynch & Co., Inc.
Merrill Lynch & Co., Inc. Investment ManagersFinance Provides wealth management, securities trading and sales, corporate finance and investment banking services | Finance |
Gossamer Bio, Inc.
 Gossamer Bio, Inc. Pharmaceuticals: MajorHealth Technology Engages in developing and commercializing therapeutics for immunology, inflammation and oncology diseases | Health Technology |
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