![Clay Siegall](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>)
Clay Siegall
Chief Executive Officer at
IMMUNOME, INC.
Net worth: 17 M $ as of 2026-05-30
Profile
Founder of Seagen Inc., Clay B. Siegall is Chairman, President & Chief Executive Officer at this company. Dr. Siegall is also on the board of 5 other companies. In the past he held the position of Principal Scientist at Bristol-Myers Squibb Pharmaceutical Research Institute. He received an undergraduate degree from the University of Maryland and a doctorate from George Washington University.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
IMMUNOME, INC. 0.61% | 2026-03-26 | 690,704 ( 0.61% ) | 15 M $ | 2026-05-30 |
SHATTUCK LABS, INC. 0.42% | 2026-06-08 | 318,608 ( 0.42% ) | 2 M $ | 2026-05-30 |
Clay Siegall active positions
| Companies | Position | Start |
|---|---|---|
| IMMUNOME, INC. | Chief Executive Officer | 2023-10-01 |
| SHATTUCK LABS, INC. | Director/Board Member | 2024-02-29 |
Washington Roundtable
 Washington Roundtable Miscellaneous Commercial ServicesCommercial Services Operates as a non-profit organization that comprised senior executives of major private sector employers in Washington state | Director/Board Member | - |
Tourmaline Bio, Inc.
 Tourmaline Bio, Inc. Miscellaneous Commercial ServicesCommercial Services Operates as a clinical biotechnology company developing transformative medicines | Chairman | 2023-12-12 |
The Pacific Northwest Research Institute, Inc.
 The Pacific Northwest Research Institute, Inc. Miscellaneous Commercial ServicesCommercial Services Operates as a non-profit organization which engages in the biomedical research | Director/Board Member | - |
Biotechnology Innovation Organization
 Biotechnology Innovation Organization Miscellaneous Commercial ServicesCommercial Services Operates as a biotechnology advocacy organization representing biotech companies, industry leaders and state biotech associations | Director/Board Member | 2012-12-13 |
Washington Biotechnology & Biomedical Association
 Washington Biotechnology & Biomedical Association Miscellaneous Commercial ServicesCommercial Services Operates as a nonprofit trade association that supports and promotes the life sciences industry | Director/Board Member | - |
Former positions of Clay Siegall
| Companies | Position | End |
|---|---|---|
MorphImmune, Inc.
 MorphImmune, Inc. BiotechnologyHealth Technology Operates as a biotechnology company focused on developing oncology therapeutics | Chief Executive Officer | 2023-09-30 |
| NURIX THERAPEUTICS, INC. | Director/Board Member | 2022-05-14 |
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Training of Clay Siegall
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
67
1st degree connections
17
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 17 |
|---|---|
Seagen, Inc.
 Seagen, Inc. Pharmaceuticals: MajorHealth Technology Develops monoclonal antibody-based therapeutic products for treatment of cancer and immunologic diseases | Health Technology |
Biotechnology Innovation Organization
Biotechnology Innovation Organization Miscellaneous Commercial ServicesCommercial Services Operates as a biotechnology advocacy organization representing biotech companies, industry leaders and state biotech associations | Commercial Services |
Immunome, Inc.
 Immunome, Inc. BiotechnologyHealth Technology Operates as a biopharmaceutical company which discovers, develops and commercializes antibody therapeutics | Health Technology |
Ultragenyx Pharmaceutical, Inc.
 Ultragenyx Pharmaceutical, Inc. Pharmaceuticals: MajorHealth Technology Develops and commercializes novel products for the treatment of serious rare and ultra-rare genetic diseases | Health Technology |
Nurix Therapeutics, Inc.
 Nurix Therapeutics, Inc. BiotechnologyHealth Technology Operates as a a clinical stage biopharmaceutical company that discovers, develops and commercializes oral, small molecule therapies for the treatment of cancer & immune disorders | Health Technology |
George Washington University
 George Washington University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
University of Maryland
 University of Maryland Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Washington Roundtable
Washington Roundtable Miscellaneous Commercial ServicesCommercial Services Operates as a non-profit organization that comprised senior executives of major private sector employers in Washington state | Commercial Services |
Washington Biotechnology & Biomedical Association
Washington Biotechnology & Biomedical Association Miscellaneous Commercial ServicesCommercial Services Operates as a nonprofit trade association that supports and promotes the life sciences industry | Commercial Services |
Lundbeck Seattle BioPharmaceuticals, Inc.
 Lundbeck Seattle BioPharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Operates as a biopharmaceutical company that specializes in research and develops transformative therapies for brain diseases | Health Technology |
Bristol-Myers Squibb Pharmaceutical Research Institute | |
Mirna Therapeutics, Inc.
 Mirna Therapeutics, Inc. Miscellaneous Commercial ServicesCommercial Services Engages in the development of micro ribonucleic acid based oncology therapeutics | Commercial Services |
The Pacific Northwest Research Institute, Inc.
The Pacific Northwest Research Institute, Inc. Miscellaneous Commercial ServicesCommercial Services Operates as a non-profit organization which engages in the biomedical research | Commercial Services |
Shattuck Labs, Inc.
 Shattuck Labs, Inc. BiotechnologyHealth Technology Operates as a biotechnology company that develops therapeutics for inflammatory and immune-mediated diseases | Health Technology |
Umoja Biopharma, Inc.
 Umoja Biopharma, Inc. Pharmaceuticals: MajorHealth Technology Develops pharmaceuticals for treatment of cancer therapies | Health Technology |
MorphImmune, Inc.
MorphImmune, Inc. BiotechnologyHealth Technology Operates as a biotechnology company focused on developing oncology therapeutics | 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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