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James Bucher
General Counsel at
HARPOON THERAPEUTICS, INC.
Net worth: - $ as of 2026-06-29
Profile
James B. Bucher currently works at Harpoon Therapeutics, Inc., as Chief Legal Officer from 2023 and Zentalis Pharmaceuticals, Inc., as Secretary & Chief Legal Officer from 2025.
Mr. Bucher also formerly worked at Exelixis, Inc., as Secretary & Vice President-Corporate Legal Affairs from 2013 to 2014, Shearman & Sterling LLP, as Partner from 2001 to 2007, Lundbeck Seattle BioPharmaceuticals, Inc., as Executive Vice President & General Counsel, and Climb Bio, Inc., as Executive Vice President & General Counsel.
Mr. Bucher received his undergraduate degree from Colgate University and graduate degree from Emory University School of Law.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2026-04-19 | 0 ( -.--% ) | - $ | 2026-06-29 |
James Bucher active positions
| Companies | Position | Start |
|---|---|---|
| HARPOON THERAPEUTICS, INC. | General Counsel | 2023-12-25 |
| ZENTALIS PHARMACEUTICALS, INC. | General Counsel | 2025-09-17 |
Former positions of James Bucher
| Companies | Position | End |
|---|---|---|
| EXELIXIS, INC. | General Counsel | 2013-12-31 |
Shearman & Sterling LLP
 Shearman & Sterling LLP Miscellaneous Commercial ServicesCommercial Services Operates as a law firm | Corporate Officer/Principal | 2006-12-31 |
| CLIMB BIO, INC. | General Counsel | - |
| ALDER BIOPHARMACEUTICALS, INC. | General Counsel | - |
Training of James Bucher
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
79
1st degree connections
8
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 8 |
|---|---|
Exelixis, Inc.
 Exelixis, Inc. Pharmaceuticals: MajorHealth Technology Operates as a cancer drug discovery company | Health Technology |
Shearman & Sterling LLP
Shearman & Sterling LLP Miscellaneous Commercial ServicesCommercial Services Operates as a law firm | Commercial Services |
Colgate University
 Colgate University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Lundbeck Seattle BioPharmaceuticals, Inc.
 Lundbeck Seattle BioPharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Operates as a biopharmaceutical company that specializes in research and develops transformative therapies for brain diseases | Health Technology |
Emory University School of Law
 Emory University School of Law Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Harpoon Therapeutics, Inc.
 Harpoon Therapeutics, Inc. BiotechnologyHealth Technology Operates as a clinical stage immunotherapy company that develops T-cell engagers to treat cancer and other diseases | Health Technology |
Eliem Therapeutics, Inc.
 Eliem Therapeutics, Inc. BiotechnologyHealth Technology Operates as clinical-stage biotechnology company focused on developing novel therapies for neuronal excitability disorders | Health Technology |
Zentalis Pharmaceuticals, Inc.
 Zentalis Pharmaceuticals, Inc. BiotechnologyHealth Technology Develops clinical therapeutics for targeting fundamental cancer pathways | Health Technology |
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