![S. Phanstiel](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>)
S. Phanstiel
Chairman at
MYRIAD GENETICS, INC.
Net worth: 4 M $ as of 31/05/2026
Profile
S.
Louise Phanstiel currently serves as Chairman at Myriad Genetics, Inc. since 2020, and has been with the company since 2009.
Also holds director positions at Partnership for Public Service, Stony Brook Foundation, Inc., Southampton Hospital Association, and Butterfly Network, Inc. since 2021.
Serves as Trustee at Syracuse University.
Former roles include Director at Charles River Laboratories, Inc., Inveresk Research Group, Inc., and Cedars-Sinai Health System.
Served as Independent Director at Verastem, Inc. from 2012 to 2018.
Held the position of CFO, Chief Accounting Officer, SVP & Controller at Blue Cross of California in 2000.
Was Partner at Coopers & Lybrand LLP.
Served as President-Specialty Products at Elevance Health, Inc. from 2003 to 2007.
Education includes undergraduate studies at Golden Gate University.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 22/06/2026 | 576,213 ( 0.25% ) | 3 M $ | 31/05/2026 | |
| 04/06/2026 | 374,771 ( 0.4% ) | 1 M $ | 31/05/2026 |
S. Phanstiel active positions
| Companies | Position | Start |
|---|---|---|
| MYRIAD GENETICS, INC. | Chairman | 23/03/2020 |
| BUTTERFLY NETWORK, INC. | Director/Board Member | 12/02/2021 |
Stony Brook Foundation, Inc.
 Stony Brook Foundation, Inc. Investment Trusts/Mutual FundsMiscellaneous Provides fundraising services | Director/Board Member | - |
Southampton Hospital Association
 Southampton Hospital Association Miscellaneous Commercial ServicesCommercial Services Operates as a non-profit organization that provides healthcare services | Director/Board Member | - |
Syracuse University
 Syracuse University Other Consumer ServicesConsumer Services Functions as a College/University | Director/Board Member | - |
Partnership for Public Service
 Partnership for Public Service Miscellaneous Commercial ServicesCommercial Services Operates nonpartisan organizations | Director/Board Member | - |
Former positions of S. Phanstiel
| Companies | Position | End |
|---|---|---|
| VERASTEM, INC. | Director/Board Member | 16/10/2018 |
| ELEVANCE HEALTH, INC. | Corporate Officer/Principal | 01/01/2007 |
Blue Cross of California
 Blue Cross of California Life/Health InsuranceFinance Provides health insurance services | Director of Finance/CFO | 01/01/2000 |
| ░░░░░░ ░░░░░ ░░░░░░ ░░░░░░ | ░░░░░░░░░░░░░░ ░░░░░░ | - |
| ░░░░░░░ ░░░░░ ░░░░░░░ ░░░ | ░░░░░░░░░ ░░░░░░░░░░░░░░░░░ | - |
Training of S. Phanstiel
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
68
1st degree connections
14
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 14 |
|---|---|
Blue Cross of California
Blue Cross of California Life/Health InsuranceFinance Provides health insurance services | Finance |
Myriad Genetics, Inc.
 Myriad Genetics, Inc. Medical SpecialtiesHealth Technology Develops therapeutic and predictive medicine products | Health Technology |
Charles River Laboratories, Inc.
 Charles River Laboratories, Inc. Miscellaneous Commercial ServicesCommercial Services Provides research models and laboratory animal support services | Commercial Services |
Inveresk Research Group, Inc.
 Inveresk Research Group, Inc. Miscellaneous Commercial ServicesCommercial Services Provides drug development services | Commercial Services |
Cedars Sinai Health System
 Cedars Sinai Health System Hospital/Nursing ManagementHealth Services Operates as a hospital | Health Services |
Coopers & Lybrand LLP
 Coopers & Lybrand LLP Miscellaneous Commercial ServicesCommercial Services Provides accounting services | Commercial Services |
Elevance Health, Inc.
 Elevance Health, Inc. Managed Health CareHealth Services Provides health plans, clinical, behavioral, pharmacy and complex-care solutions | Health Services |
Golden Gate University
 Golden Gate University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Syracuse University
Syracuse University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Partnership for Public Service
Partnership for Public Service Miscellaneous Commercial ServicesCommercial Services Operates nonpartisan organizations | Commercial Services |
Stony Brook Foundation, Inc.
Stony Brook Foundation, Inc. Investment Trusts/Mutual FundsMiscellaneous Provides fundraising services | Miscellaneous |
Southampton Hospital Association
Southampton Hospital Association Miscellaneous Commercial ServicesCommercial Services Operates as a non-profit organization that provides healthcare services | Commercial Services |
Verastem, Inc.
 Verastem, Inc. BiotechnologyHealth Technology Discovers and develops drugs | Health Technology |
Butterfly Network, Inc.
 Butterfly Network, Inc. Medical SpecialtiesHealth Technology Manufactures and sells medical imaging ultrasound devices | Health Technology |
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