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John Diekman
Director/Board Member at
ZAI LAB LIMITED
Net worth: 2 M $ as of 2026-05-30
Profile
John D.
Diekman is the founder of Wildcat Discovery Technologies, Inc., founded in 2006, where the title held is Director.
Dr. Diekman was the founder of Bay City Capital LLC, founded in 1998, where the title held was Managing Director from 1998 to 2002.
Dr. Diekman is the founder of 5AM Venture Management LLC, founded in 2002, where the title held is Founding Partner.
Current jobs include Director at Cleave Therapeutics, Inc., Independent Director at Zai Lab Ltd. since 2017, Member-Managers Board at Calibrium LLC, and Trustee at Princeton University.
Former jobs include Chairman at The Scripps Research Institute, Chairman & Managing Director at Affymax NV in 1995, Chairman at Ambrx, Inc., Chairman at Envoy Therapeutics, Inc., Chairman at IDEAYA Biosciences, Inc. from 2015 to 2020, Independent Director at Affymetrix, Inc. from 2011 to 2013, and Director at LJL Biosystems, Inc., Ventro Corp., Kalypsys, Inc., Phenomix Corp.
from 2002 to 2010, GenoSpectra, Inc., Ingenuity Systems, Inc., Antipodean Pharmaceuticals, Inc., Marcadia Biotech, Inc., Igenica Biotherapeutics, Inc., Bio*One Capital Pte Ltd., S*BIO Pte Ltd., PhaseRx, Inc., Cellular Research, Inc., and Trustee at California Institute of Technology.
Education includes a doctorate from Stanford University conferred in 1969, a doctorate from Monash University, and an undergraduate degree from Princeton University conferred in 1965.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
ZAI LAB LTD. 0.09% | 2026-04-09 | 997,690 ( 0.09% ) | 2 M $ | 2026-05-30 |
John Diekman active positions
| Companies | Position | Start |
|---|---|---|
| ZAI LAB LIMITED | Director/Board Member | 2016-12-31 |
5AM Venture Management LLC
 5AM Venture Management LLC Investment ManagersFinance 5AM Ventures invests in companies located in the US with an investment size ranging from $20 to $30 million. The firm targets companies operating in the fields of life sciences. It provides financing for early stage and corporate spin-out capital requirements and also makes co-investments. | Founder | 2001-12-31 |
Princeton University
 Princeton University Other Consumer ServicesConsumer Services Functions as a College/University | Director/Board Member | - |
Calibrium LLC
 Calibrium LLC Pharmaceuticals: MajorHealth Technology Develops biopharmaceuticals and diabetic drugs | Director/Board Member | - |
Wildcat Discovery Technologies, Inc.
 Wildcat Discovery Technologies, Inc. Miscellaneous Commercial ServicesCommercial Services Provides commercial research and development services of battery materials | Founder | 2005-12-31 |
Cleave Therapeutics, Inc.
 Cleave Therapeutics, Inc. BiotechnologyHealth Technology Operates as a clinical stage biopharmaceutical company that develops medicine for oncology and neurodegeneration treatment | Director/Board Member | - |
Former positions of John Diekman
| Companies | Position | End |
|---|---|---|
| IDEAYA BIOSCIENCES, INC. | Chairman | 2020-05-31 |
| AFFYMETRIX, INC. | Director/Board Member | 2013-05-06 |
Phenomix Corp.
 Phenomix Corp. Pharmaceuticals: MajorHealth Technology Develops and discovers drugs | Director/Board Member | 2010-10-27 |
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Training of John Diekman
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
79
1st degree connections
29
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 29 |
|---|---|
Affymetrix, Inc.
 Affymetrix, Inc. Medical SpecialtiesHealth Technology Develops, manufactures and sells products and services for genetic analysis | Health Technology |
LJL Biosystems, Inc.
 LJL Biosystems, Inc. Medical DistributorsDistribution Services Develops, designs, produces and sells infrastructure tools for drug discovery | Distribution Services |
Ventro Corp.
 Ventro Corp. Information Technology ServicesTechnology Services Provides e-commerce solutions. | Technology Services |
Kalypsys, Inc.
 Kalypsys, Inc. Pharmaceuticals: MajorHealth Technology Discovers and develops novel, first-in-class therapeutic agents to address unmet medical needs in respiratory and inflammatory diseases | Health Technology |
Phenomix Corp.
Phenomix Corp. Pharmaceuticals: MajorHealth Technology Develops and discovers drugs | Health Technology |
GenoSpectra, Inc.
 GenoSpectra, Inc. BiotechnologyHealth Technology Develops technologies and products for Parallel Quantitative Biology (PQB) | Health Technology |
Ingenuity Systems, Inc.
 Ingenuity Systems, Inc. Information Technology ServicesTechnology Services Provides information solutions for life science researchers | Technology Services |
Antipodean Pharmaceuticals, Inc.
 Antipodean Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Manufactures pharmaceutical products and provides pre clinical services | Health Technology |
Wildcat Discovery Technologies, Inc.
Wildcat Discovery Technologies, Inc. Miscellaneous Commercial ServicesCommercial Services Provides commercial research and development services of battery materials | Commercial Services |
Marcadia Biotech, Inc.
 Marcadia Biotech, Inc. Pharmaceuticals: MajorHealth Technology Develops therapeutic products for diabetes and obesity | Health Technology |
Igenica Biotherapeutics, Inc.
 Igenica Biotherapeutics, Inc. Pharmaceuticals: MajorHealth Technology Develops therapeutics for the treatment of cancer | Health Technology |
Calibrium LLC
Calibrium LLC Pharmaceuticals: MajorHealth Technology Develops biopharmaceuticals and diabetic drugs | Health Technology |
Stanford University
 Stanford University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
The Scripps Research Institute
 The Scripps Research Institute Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Monash University
 Monash University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Affymax NV
 Affymax NV Pharmaceuticals: MajorHealth Technology Operates as a drug discovery company | Health Technology |
California Institute of Technology
 California Institute of Technology Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Princeton University
Princeton University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Ambrx, Inc.
 Ambrx, Inc. BiotechnologyHealth Technology Operates as a clinical stage biopharmaceutical company | Health Technology |
Bay City Capital LLC
 Bay City Capital LLC Investment ManagersFinance Bay City Capital invests in public and private companies located across the globe. The firm focuses on a broad range of sectors and industries. It provides financing for seed, early and later stage capital transactions. The firm makes co-investments. It acts as a lead investor and takes a seat on the board of directors. | Finance |
Bio*One Capital Pte Ltd.
 Bio*One Capital Pte Ltd. Investment ManagersFinance Bio*One Capital invests in companies located in Singapore. The firm focuses on biotechnology, pharmaceuticals and medical technology sectors. It participates in seed and early stage transactions. | Finance |
5AM Venture Management LLC
5AM Venture Management LLC Investment ManagersFinance 5AM Ventures invests in companies located in the US with an investment size ranging from $20 to $30 million. The firm targets companies operating in the fields of life sciences. It provides financing for early stage and corporate spin-out capital requirements and also makes co-investments. | Finance |
S*BIO Pte Ltd.
 S*BIO Pte Ltd. Pharmaceuticals: MajorHealth Technology Develops and discovers novel targeted small molecule drugs | Health Technology |
PhaseRx, Inc.
 PhaseRx, Inc. Pharmaceuticals: MajorHealth Technology Manufactures enzyme replacement therapies | Health Technology |
Envoy Therapeutics, Inc.
 Envoy Therapeutics, Inc. Pharmaceuticals: MajorHealth Technology Develops medicines for treatment of neurological and psychiatric diseases | Health Technology |
Cleave Therapeutics, Inc.
Cleave Therapeutics, Inc. BiotechnologyHealth Technology Operates as a clinical stage biopharmaceutical company that develops medicine for oncology and neurodegeneration treatment | Health Technology |
Cellular Research, Inc.
 Cellular Research, Inc. BiotechnologyHealth Technology Operates as a biotechnology research and development company | Health Technology |
Zai Lab Ltd.
 Zai Lab Ltd. BiotechnologyHealth Technology Develops medicine for cancer, autoimmune and infectious diseases | Health Technology |
IDEAYA Biosciences, Inc.
 IDEAYA Biosciences, Inc. Pharmaceuticals: MajorHealth Technology Operates as oncology-focused precision medicine company which develops and sells cancer therapeutics | Health Technology |
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