![Beth Seidenberg](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>)
Beth Seidenberg
Director/Board Member at
KYVERNA THERAPEUTICS, INC.
Net worth: 6 M $ as of 2026-05-30
Profile
Dr. Beth C. Seidenberg, MD, is a Managing Director at Westlake Biopartners LLC, an Independent Director at Vera Therapeutics, Inc., an Independent Director at Atara Biotherapeutics, Inc., a Chairman at Progyny, Inc., a Chairman at Sagimet Biosciences, Inc. and a Partner & Advisor at Kleiner Perkins Caufield & Byers LLC. She is on the Board of Directors at Expansion Therapeutics, Inc., Vera Therapeutics, Inc., Atara Biotherapeutics, Inc., ACELYRIN, Inc., Arsenal Biosciences, Inc., Auxogyn, Inc., Breathe Technologies, Inc., Cell Design Labs, Inc., Kyverna Therapeutics, Inc., Mango Health, Inc., Spruce Health, Inc., Tmunity Therapeutics, Inc. and True North Therapeutics, Inc. Dr. Seidenberg was previously employed as an Independent Director by Epizyme, Inc., a Chief Medical Officer & SVP-Global Development by Amgen, Inc., a Senior Vice President-Global Development by Bristol Myers Squibb Co., a VP-Immunology, Pulmonary & Dermatology by Merck Research Laboratories Massachusetts LLC, a Chairman by Arresto BioSciences, Inc., a Chairman by Flexus Biosciences, Inc., a Senior Executive-Research & Development by Merck & Co., Inc., and a Researcher by National Institutes of Health. She also served on the board at Practice Fusion, Inc., ARMO BioSciences, Inc., Tesaro, Inc., BioCryst Pharmaceuticals, Inc., iPierian, Inc., Livongo Health, Inc., Rapt Therapeutics, Inc. and RedBrick Health Corp. She received her undergraduate degree from Barnard College and a doctorate degree from The University of Miami Leonard M. Miller School of Medicine.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2026-05-20 | 135,565 ( 0.19% ) | 5 M $ | 2026-05-30 | |
| 2026-06-11 | 131,643 ( 0.22% ) | 959 677 $ | 2026-05-30 | |
| 2026-05-26 | 21,727 ( 0.04% ) | 185 114 $ | 2026-05-30 |
Beth Seidenberg active positions
| Companies | Position | Start |
|---|---|---|
| SAGIMET BIOSCIENCES INC. | Director/Board Member | 2007-03-31 |
| KYVERNA THERAPEUTICS, INC. | Director/Board Member | 2018-08-31 |
| VERA THERAPEUTICS, INC. | Director/Board Member | 2016-05-31 |
Kleiner Perkins Caufield & Byers LLC
 Kleiner Perkins Caufield & Byers LLC Investment ManagersFinance Kleiner Perkins Caufield & Byers invests in companies located in the United States. The firm targets companies operating in consumer, enterprise, Fintech, hardtech and healthcare sectors. It provides financing for seed, early, and later stage capital requirements. | Consultant / Advisor | 2005-04-30 |
Mango Health, Inc.
 Mango Health, Inc. Packaged SoftwareTechnology Services Provides mobile health application | Director/Board Member | - |
Spruce Health, Inc.
 Spruce Health, Inc. Packaged SoftwareTechnology Services Provides medical mobile application services | Director/Board Member | - |
Cell Design Labs, Inc.
 Cell Design Labs, Inc. BiotechnologyHealth Technology Develops disruptive cell-based therapies for cancer and other devastating diseases | Director/Board Member | - |
Expansion Therapeutics, Inc.
 Expansion Therapeutics, Inc. Pharmaceuticals: MajorHealth Technology Operates as drug discovery and development company for RNA-mediated diseases | Director/Board Member | 2018-01-02 |
Arsenal Biosciences, Inc.
 Arsenal Biosciences, Inc. Packaged SoftwareTechnology Services Develops cellular drug discovery tools to provide medicines for cancer treatment and operates cell manufacturing platform | Director/Board Member | - |
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Former positions of Beth Seidenberg
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Training of Beth Seidenberg
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
66
1st degree connections
39
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 39 |
|---|---|
Amgen, Inc.
 Amgen, Inc. BiotechnologyHealth Technology Discovers, develops, manufactures and delivers human therapeutics | Health Technology |
BioCryst Pharmaceuticals, Inc.
 BioCryst Pharmaceuticals, Inc. BiotechnologyHealth Technology Designs and develops oral small-molecule & injectable protein therapeutics | Health Technology |
Bristol Myers Squibb Co.
 Bristol Myers Squibb Co. Pharmaceuticals: MajorHealth Technology Manufactures and markets biopharmaceuticals products | Health Technology |
Merck & Co., Inc.
 Merck & Co., Inc. Pharmaceuticals: MajorHealth Technology Manufactures human and animal health pharmaceutical products & vaccines | Health Technology |
Breathe Technologies, Inc.
 Breathe Technologies, Inc. Medical SpecialtiesHealth Technology Develops and manufactures chronic obstructive pulmonary disease therapy devices | Health Technology |
Tesaro, Inc.
 Tesaro, Inc. Pharmaceuticals: MajorHealth Technology Operates as a biopharmaceutical company that develops drugs for cancer patients | Health Technology |
Kleiner Perkins Caufield & Byers LLC
Kleiner Perkins Caufield & Byers LLC Investment ManagersFinance Kleiner Perkins Caufield & Byers invests in companies located in the United States. The firm targets companies operating in consumer, enterprise, Fintech, hardtech and healthcare sectors. It provides financing for seed, early, and later stage capital requirements. | Finance |
National Institutes of Health
 National Institutes of Health General GovernmentGovernment Engages in the improvement of health and saving lives | Government |
Barnard College
 Barnard College Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Merck Research Laboratories Massachusetts LLC
 Merck Research Laboratories Massachusetts LLC Pharmaceuticals: MajorHealth Technology Discovers, develops, and markets a broad range of human and animal health products | Health Technology |
RedBrick Health Corp.
 RedBrick Health Corp. Internet Software/ServicesTechnology Services Provides health engagement and behavior change solutions | Technology Services |
Arresto BioSciences, Inc.
 Arresto BioSciences, Inc. Miscellaneous Commercial ServicesCommercial Services Develops medicines to treat cancer and fibrotic diseases | Commercial Services |
Epizyme, Inc.
 Epizyme, Inc. BiotechnologyHealth Technology Develops therapeutics for the treatment of patients with genetically defined cancers | Health Technology |
Sagimet Biosciences, Inc.
 Sagimet Biosciences, Inc. Pharmaceuticals: MajorHealth Technology Discovers and develops novel therapeutics for the treatment of infectious diseases | Health Technology |
iPierian, Inc.
 iPierian, Inc. Pharmaceuticals: MajorHealth Technology Develops and manufactures biopharmaceutical products | Health Technology |
Practice Fusion, Inc.
 Practice Fusion, Inc. Packaged SoftwareTechnology Services Develops cloud-based ambulatory electronic health records platform | Technology Services |
Auxogyn, Inc.
 Auxogyn, Inc. BiotechnologyHealth Technology Provides novel scientific and development biotechnology services | Health Technology |
ARMO BioSciences, Inc.
 ARMO BioSciences, Inc. Pharmaceuticals: MajorHealth Technology Develops immunotherapy for treatment of cancer | Health Technology |
True North Therapeutics, Inc.
 True North Therapeutics, Inc. BiotechnologyHealth Technology Develops novel therapies that selectively inhibit the complement system to treat rare diseases | Health Technology |
Atara Biotherapeutics, Inc.
 Atara Biotherapeutics, Inc. Pharmaceuticals: MajorHealth Technology Pioneers the development of transformative therapies for patients with serious diseases including solid tumors, hematologic cancers, and autoimmune diseases | Health Technology |
The University of Miami Leonard M. Miller School of Medicine
 The University of Miami Leonard M. Miller School of Medicine Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Mango Health, Inc.
Mango Health, Inc. Packaged SoftwareTechnology Services Provides mobile health application | Technology Services |
Livongo Health, Inc.
 Livongo Health, Inc. Packaged SoftwareTechnology Services Develops and operates consumer digital health platform for people with diabetes | Technology Services |
Flexus Biosciences, Inc.
 Flexus Biosciences, Inc. BiotechnologyHealth Technology Provides cancer therapeutics through innovative apps | Health Technology |
Spruce Health, Inc.
Spruce Health, Inc. Packaged SoftwareTechnology Services Provides medical mobile application services | Technology Services |
Progyny, Inc.
 Progyny, Inc. Miscellaneous Commercial ServicesCommercial Services Provides fertility and family building benefits solutions | Commercial Services |
Tmunity Therapeutics, Inc.
 Tmunity Therapeutics, Inc. Miscellaneous Commercial ServicesCommercial Services Operates as a biotechnology company | Commercial Services |
Rapt Therapeutics, Inc.
 Rapt Therapeutics, Inc. Pharmaceuticals: MajorHealth Technology Develops and commercializes oral small molecule therapies for patients | Health Technology |
Cell Design Labs, Inc.
Cell Design Labs, Inc. BiotechnologyHealth Technology Develops disruptive cell-based therapies for cancer and other devastating diseases | Health Technology |
Expansion Therapeutics, Inc.
Expansion Therapeutics, Inc. Pharmaceuticals: MajorHealth Technology Operates as drug discovery and development company for RNA-mediated diseases | Health Technology |
Westlake Biopartners LLC
 Westlake Biopartners LLC Investment ManagersFinance Westlake Biopartners invests in companies located in the United States. The firm focuses on life sciences sectors. It participates in early and later stage capital requirements. | Finance |
Arsenal Biosciences, Inc.
Arsenal Biosciences, Inc. Packaged SoftwareTechnology Services Develops cellular drug discovery tools to provide medicines for cancer treatment and operates cell manufacturing platform | Technology Services |
Kyverna Therapeutics, Inc.
 Kyverna Therapeutics, Inc. BiotechnologyHealth Technology Operates as a cell therapy company which develops treatments and potential cures for serious autoimmune diseases | Health Technology |
Vera Therapeutics, Inc.
 Vera Therapeutics, Inc. BiotechnologyHealth Technology Operates as clinical-stage biotechnology company, which focuses on development and treatments for immunological & inflammatory diseases | Health Technology |
ACELYRIN, Inc.
 ACELYRIN, Inc. Pharmaceuticals: MajorHealth Technology Operates as late-stage clinical biopharmaceutical company which focuses on identifying, acquiring and accelerating the development & commercialization of medicines | Health Technology |
Jamanda Ltd.
 Jamanda Ltd. Financial ConglomeratesFinance Functions as an investment holding company | Finance |
Electra Therapeutics, Inc.
 Electra Therapeutics, Inc. Pharmaceuticals: MajorHealth Technology Manufactures therapies for immunological diseases and cancer | Health Technology |
Star Therapeutics, Inc.
 Star Therapeutics, Inc. BiotechnologyHealth Technology Develops antibody therapies | Health Technology |
Kate Therapeutics, Inc.
 Kate Therapeutics, Inc. BiotechnologyHealth Technology Operates as a biotechnology company that develops adeno-associated virus based gene therapies | Health Technology |
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