![Caley Castelein](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>)
Caley Castelein
Chairman at
WHITEHAWK THERAPEUTICS, INC.
Net worth: 1 M $ as of 2026-05-30
Profile
Caley McNiell Castelein was the founder of Kearny Venture Partners LP, founded in 2006, serving as Managing Director.
Dr. Castelein was the founder of KVP Capital LP, founded in 2013, serving as Managing Director.
Dr. Castelein is the founder of Tourmaline Sub, Inc., founded in 2022, serving as Director.
Current jobs include Chairman at Aerpio Therapeutics LLC since 2017; Co-Chairman at Whitehawk Therapeutics, Inc. since 2017; Director at ViewRay Technologies, Inc. since 2015; Director at NewBridge Pharmaceuticals FZ LLC since 2015; Managing Director at KVP Capital Advisors LP; and Partner at Kearny Venture Partners.
Former jobs include Chairman at Aadi Subsidiary, Inc.; Director at Waterstone Pharmaceuticals, Inc. from 2015 to 2018; Director at Boreal Genomics, Inc. from 2010 to 2021; Managing Director at Thomas Weisel Partners LLC from 2003 to 2006; Director at Wellpartner LLC from 2015 to 2017; Director at Neos Therapeutics, Inc. in 2015; Independent Director at ViewRay, Inc. from 2008 to 2023; Director at AliveCor, Inc. from 2015 to 2020; Independent Director at Aerpio Pharmaceuticals, Inc.; Independent Director at Tourmaline Bio, Inc. from 2023 to 2025; Financial Analyst at Tekla Capital Management LLC; Principal at Calvert Capital Management Co.; and General Partner at Thomas Weisel Healthcare Venture Partners LLC.
Education includes a doctorate from The University of California, San Francisco, conferred in 1999, and an undergraduate degree from Harvard College, conferred in 1993.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2026-05-13 | 274,796 ( 0.58% ) | 1 M $ | 2026-05-30 |
Caley Castelein active positions
| Companies | Position | Start |
|---|---|---|
| WHITEHAWK THERAPEUTICS, INC. | Chairman | 2017-02-28 |
Tourmaline Bio, Inc.
 Tourmaline Bio, Inc. Miscellaneous Commercial ServicesCommercial Services Operates as a clinical biotechnology company developing transformative medicines | Founder | 2022-08-31 |
NewBridge Pharmaceuticals FZ LLC
 NewBridge Pharmaceuticals FZ LLC Pharmaceuticals: MajorHealth Technology Manufactures and distributes pharmaceuticals, therapeutics, and medical devices | Director/Board Member | 2015-02-28 |
Aerpio Therapeutics LLC
 Aerpio Therapeutics LLC Pharmaceuticals: MajorHealth Technology Operates as a clinical-stage biopharmaceutical company focused on advancing innovative therapies for vascular diseases | Chairman | - |
ViewRay Technologies, Inc.
 ViewRay Technologies, Inc. Miscellaneous Commercial ServicesCommercial Services Develops radiation therapy technology for the treatment of cancer | Director/Board Member | 2007-12-31 |
Kearny Venture Partners
 Kearny Venture Partners Investment ManagersFinance Kearny Venture Partners invests in companies located in the United States. The firm focuses on healthcare and healthcare product sector. It participates in early stage transactions. | Private Equity Investor | - |
KVP Capital Advisors LP
 KVP Capital Advisors LP Investment ManagersFinance Provides investment advice | Chief Executive Officer | - |
Former positions of Caley Castelein
| Companies | Position | End |
|---|---|---|
| VIEWRAY SYSTEMS, INC. | Director/Board Member | 2023-09-06 |
Aadi Subsidiary, Inc.
 Aadi Subsidiary, Inc. BiotechnologyHealth Technology Develops mTOR inhibitor for targeted patient populations in oncology and cardiovascular diseases | Chairman | 2022-12-31 |
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Training of Caley Castelein
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
57
1st degree connections
23
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 23 |
|---|---|
ViewRay Technologies, Inc.
ViewRay Technologies, Inc. Miscellaneous Commercial ServicesCommercial Services Develops radiation therapy technology for the treatment of cancer | Commercial Services |
Kearny Venture Partners LP
 Kearny Venture Partners LP Investment ManagersFinance Acts as Venture Capital Fund | Finance |
Waterstone Pharmaceuticals, Inc.
 Waterstone Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Engages in activities ranging from drug discovery of proprietary new chemical entities, custom development and manufacturing services, and generic drug development and manufacturing | Health Technology |
Boreal Genomics, Inc.
 Boreal Genomics, Inc. Medical SpecialtiesHealth Technology Develops and markets DNA and RNA purification, enrichment, and detection equipment and tools | Health Technology |
Aerpio Therapeutics LLC
Aerpio Therapeutics LLC Pharmaceuticals: MajorHealth Technology Operates as a clinical-stage biopharmaceutical company focused on advancing innovative therapies for vascular diseases | Health Technology |
ViewRay, Inc.
 ViewRay, Inc. Medical SpecialtiesHealth Technology Designs, manufactures and markets the meridian radiation therapy system | Health Technology |
KVP Capital LP
 KVP Capital LP Investment Trusts/Mutual FundsMiscellaneous Acts as Hedge Fund | Miscellaneous |
Tekla Capital Management LLC
 Tekla Capital Management LLC Investment ManagersFinance Tekla primarily focuses on healthcare investing. Their funds invest in public and private growth equities in the healthcare and life sciences industries. | Finance |
Thomas Weisel Partners LLC
 Thomas Weisel Partners LLC Investment Banks/BrokersFinance Provides brokerage services | Finance |
Wellpartner LLC
 Wellpartner LLC Medical DistributorsDistribution Services Provides pharmacy distribution solutions and contract pharmacy administration services | Distribution Services |
Calvert Capital Management Co.
 Calvert Capital Management Co. Investment ManagersFinance Calvert Capital Management invests in middle market companies located in the United States The firm targets focuses on sectors such as information technology, tech-enabled services, and medical technology. It participates in secondary buyouts and growth stage capital transactions. It also takes a seat on board of directors. | Finance |
The University of California, San Francisco
 The University of California, San Francisco Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Neos Therapeutics, Inc.
 Neos Therapeutics, Inc. Pharmaceuticals: MajorHealth Technology Manufactures and markets central nervous system-focused products | Health Technology |
Thomas Weisel Healthcare Venture Partners LLC
 Thomas Weisel Healthcare Venture Partners LLC Investment ManagersFinance Thomas Weisel Healthcare invests in the emerging life sciences and medical technology sectors, including medical devices, specialty pharmaceuticals, emerging biopharmaceuticals, drug delivery technologies and biotechnology. In medical technology, their focus is on device companies at all stages of development. In life sciences, their focus is on pre-mezzanine companies with products in development that show evidence of drug safety and efficacy in humans. | Finance |
Kearny Venture Partners
Kearny Venture Partners Investment ManagersFinance Kearny Venture Partners invests in companies located in the United States. The firm focuses on healthcare and healthcare product sector. It participates in early stage transactions. | Finance |
NewBridge Pharmaceuticals FZ LLC
NewBridge Pharmaceuticals FZ LLC Pharmaceuticals: MajorHealth Technology Manufactures and distributes pharmaceuticals, therapeutics, and medical devices | Health Technology |
AliveCor, Inc.
 AliveCor, Inc. Medical SpecialtiesHealth Technology Develops mobile heart monitoring systems | Health Technology |
Harvard College
 Harvard College Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
KVP Capital Advisors LP
KVP Capital Advisors LP Investment ManagersFinance Provides investment advice | Finance |
Aerpio Pharmaceuticals, Inc.
 Aerpio Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Operates as a biopharmaceutical company | Health Technology |
Aadi Subsidiary, Inc.
Aadi Subsidiary, Inc. BiotechnologyHealth Technology Develops mTOR inhibitor for targeted patient populations in oncology and cardiovascular diseases | Health Technology |
Aadi Bioscience, Inc.
 Aadi Bioscience, Inc. BiotechnologyHealth Technology Develops mTOR inhibitor for targeted patient populations in oncology and cardiovascular diseases | Health Technology |
Tourmaline Bio, Inc.
Tourmaline Bio, Inc. Miscellaneous Commercial ServicesCommercial Services Operates as a clinical biotechnology company developing transformative medicines | Commercial Services |
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