![Ken Bate](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>)
Ken Bate
No open positions remaining
Net worth: 1 M $ as of 2026-05-30
Profile
Kenneth M.
Bate is the founder of JSB-Partners LP, founded in 1999.
Former jobs include Chief Executive Officer at MPM BioImpact LLC from 1997 to 1999; Chief Financial Officer and VP-Sales & Marketing at Biogen MA, Inc. from 1990 to 1996; Chief Financial Officer at Biogen, Inc. from 1990 to 1996; CFO & Head-Commercial Operations at Millennium Pharmaceuticals, Inc. from 2002 to 2005; Director at Coley Pharmaceutical Group, Inc. from 2005 to 2008; President, Chief Executive Officer & Director at NitroMed, Inc. from 2007 to 2009; President, Chief Executive Officer & Director at Archemix Corp.
from 2011 to 2012; Lead Independent Director at Cubist Pharmaceuticals LLC from 2015 to 2016; Independent Non-Executive Director at BioMarin Pharmaceutical, Inc. from 2014 to 2017; Independent Director at Genocea Biosciences, Inc. from 2014 to 2018; Independent Director at Vanda Pharmaceuticals, Inc. from 2015 to 2018; Director at TransMedics, Inc. from 2012 to 2017; Lead Independent Director at AVEO Pharmaceuticals, Inc. from 2007 to 2023; Independent Director at Epizyme, Inc. from 2014 to 2022; Independent Director at Madrigal Pharmaceuticals, Inc. from 2016 to 2025; and Chairman at Astria Therapeutics, Inc. from 2019 to 2026.
Education includes undergraduate studies at Williams College and an MBA from The Wharton School of the University of Pennsylvania.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2025-11-04 | 2,627 ( 0.01% ) | 1 M $ | 2026-05-30 |
Former positions of Ken Bate
| Companies | Position | End |
|---|---|---|
| ASTRIA THERAPEUTICS, INC. | Chairman | 2026-01-22 |
| MADRIGAL PHARMACEUTICALS, INC. | Director/Board Member | 2025-12-09 |
| AVEO PHARMACEUTICALS, INC. | Chairman | 2023-01-18 |
| EPIZYME, INC. | Director/Board Member | 2022-08-11 |
| VANDA PHARMACEUTICALS INC. | Director/Board Member | 2018-06-12 |
Training of Ken Bate
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
60
1st degree connections
19
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 19 |
|---|---|
Biogen MA, Inc.
 Biogen MA, Inc. BiotechnologyHealth Technology Develops and manufactures drugs related to immunology, neurobiology and oncology | Health Technology |
Millennium Pharmaceuticals, Inc.
 Millennium Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Manufactures medicines for oncology treatment | Health Technology |
Biogen, Inc.
 Biogen, Inc. Pharmaceuticals: MajorHealth Technology Manufactures and markets therapies for neurological and neurodegenerative diseases | Health Technology |
Cubist Pharmaceuticals LLC
 Cubist Pharmaceuticals LLC Pharmaceuticals: MajorHealth Technology Engages in research, development and commercialization of pharmaceutical products | Health Technology |
BioMarin Pharmaceutical, Inc.
 BioMarin Pharmaceutical, Inc. BiotechnologyHealth Technology Discovers, develops and commercializes innovative pharmaceuticals for serious diseases & medical conditions | Health Technology |
NitroMed, Inc.
 NitroMed, Inc. Pharmaceuticals: MajorHealth Technology Develops and supplies pharmaceuticals | Health Technology |
Archemix Corp.
 Archemix Corp. Miscellaneous Commercial ServicesCommercial Services Provides molecular biology research to develop new drugs | Commercial Services |
Coley Pharmaceutical Group, Inc.
 Coley Pharmaceutical Group, Inc. Pharmaceuticals: MajorHealth Technology Manufactures drugs to treat chronic diseases | Health Technology |
JSB-Partners LP
 JSB-Partners LP Investment Banks/BrokersFinance Provides M&A transaction advisory services for the pharmaceutical sector | Finance |
Vanda Pharmaceuticals, Inc.
 Vanda Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Operates as biopharmaceutical company, which focuses on the development and commercialization of therapies | Health Technology |
Genocea Biosciences, Inc.
 Genocea Biosciences, Inc. BiotechnologyHealth Technology Operates as clinical stage biotechnology company that discovers and develops novel cancer immunotherapies | Health Technology |
Astria Therapeutics, Inc.
 Astria Therapeutics, Inc. Pharmaceuticals: MajorHealth Technology Discovers, develops and commercializes novel therapeutics for rare and niche allergic & immunological diseases | Health Technology |
MPM BioImpact LLC
 MPM BioImpact LLC Investment ManagersFinance MPM Capital invests in both public and private companies located in the United States. The firm targets companies operating in the fields of biotechnology, healthcare and life science sectors. It participates in early stage capital transactions. | Finance |
Williams College
 Williams College Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
TransMedics, Inc.
 TransMedics, Inc. Medical SpecialtiesHealth Technology Manufactures and develops medical devices | Health Technology |
AVEO Pharmaceuticals, Inc.
 AVEO Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Researches and develops cancer therapeutics | Health Technology |
Epizyme, Inc.
 Epizyme, Inc. BiotechnologyHealth Technology Develops therapeutics for the treatment of patients with genetically defined cancers | Health Technology |
The Wharton School of the University of Pennsylvania
 The Wharton School of the University of Pennsylvania Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Madrigal Pharmaceuticals, Inc.
 Madrigal Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Develops small-molecule drugs for cardiovascular, metabolic and liver diseases | Health Technology |
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