Hal Barron
Director/Board Member at
GSK PLC
Net worth: 1 M $ as of 31/01/2026
Profile
Hal V. Barron occupies the position of Executive Director & Chief Scientific Officer at GlaxoSmithKline Plc. Dr. Barron is also on the board of GRAIL, Inc. and Cardiologist at UCSF Medical Center and Adjunct Professor at The University of California, San Francisco. Dr. Barron previously occupied the position of Director & Senior Vice President-Development at Arête Therapeutics, Inc., Chief Medical Officer & Executive Vice President at Roche & Genentech, Inc., President for Tesaro, Inc., Chief Medical Officer & EVP-Global Development at Genentech, Inc., Chief Medical Officer & Executive Vice President at F. Hoffmann-La Roche Ltd., Chief Medical Officer & Executive Vice President at Roche Pharmaceuticals, Inc. and President-Research & Development at Calico LLC. He received a doctorate from Yale University and an undergraduate degree from Washington University in St. Louis.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
GSK PLC 0% | 09/01/2026 | 51,978 ( 0% ) | 1 M $ | 31/01/2026 |
Latest news about Hal Barron
Hal Barron active positions
| Companies | Position | Start |
|---|---|---|
| GSK PLC | Director/Board Member | 01/01/2018 |
UCSF Medical Center
 UCSF Medical Center Hospital/Nursing ManagementHealth Services Owns and operates hospitals | Corporate Officer/Principal | - |
The University of California, San Francisco
 The University of California, San Francisco Other Consumer ServicesConsumer Services Functions as a College/University | Corporate Officer/Principal | - |
Altos Labs, Inc.
 Altos Labs, Inc. Operates as a biotechnology company focused on restoring cell health and rejuvenation resilience | Chief Executive Officer | 01/08/2022 |
Former positions of Hal Barron
| Companies | Position | End |
|---|---|---|
| JUNO THERAPEUTICS INC | Director/Board Member | 06/03/2018 |
Calico LLC
 Calico LLC Conducts research into the biology of aging | Chief Tech/Sci/R&D Officer | 01/12/2017 |
Genentech, Inc.
 Genentech, Inc. Operates as a biotechnology company that develops medicines for cancer peoples | Chief Tech/Sci/R&D Officer | 01/11/2013 |
F. Hoffmann-La Roche Ltd.
 F. Hoffmann-La Roche Ltd. Pharmaceuticals: MajorHealth Technology Manufactures pharmaceutical products | Chief Tech/Sci/R&D Officer | 01/11/2013 |
| ALEXZA PHARMACEUTICALS, INC. | Director/Board Member | 21/05/2013 |
Training of Hal Barron
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
100
+
1st degree connections
16
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 16 |
|---|---|
Genentech, Inc.
Genentech, Inc. Operates as a biotechnology company that develops medicines for cancer peoples | |
Roche Holding AG
 Roche Holding AG Operates as a research-focused healthcare company with combined focus in pharmaceuticals and diagnostics | |
Washington University in St. Louis
 Washington University in St. Louis Functions as a College/University | |
F. Hoffmann-La Roche Ltd.
F. Hoffmann-La Roche Ltd. Pharmaceuticals: MajorHealth Technology Manufactures pharmaceutical products | Health Technology |
Roche Pharmaceuticals, Inc.
 Roche Pharmaceuticals, Inc. Miscellaneous Commercial ServicesCommercial Services Provides research and development services | Commercial Services |
Alexza Pharmaceuticals, Inc.
 Alexza Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Engages in developing pharmaceutical drugs | Health Technology |
Arête Therapeutics, Inc.
 Arête Therapeutics, Inc. Pharmaceuticals: OtherHealth Technology Develops and commercializes molecule drugs to treat cardiovascular diseases | Health Technology |
Tesaro, Inc.
 Tesaro, Inc. Operates as a biopharmaceutical company that develops drugs for cancer patients | |
GSK Plc
 GSK Plc Pharmaceuticals: MajorHealth Technology Develops, manufactures and distributes vaccines and other pharmaceutical products | Health Technology |
UCSF Medical Center
UCSF Medical Center Hospital/Nursing ManagementHealth Services Owns and operates hospitals | Health Services |
Yale University
 Yale University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
The University of California, San Francisco
The University of California, San Francisco Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Juno Therapeutics, Inc.
 Juno Therapeutics, Inc. Operates as a biopharmaceutical company to treat cancer, HIV and cardiovascular diseases | |
Calico LLC
Calico LLC Conducts research into the biology of aging | |
GRAIL, Inc.
 GRAIL, Inc. Manufactures cancer detection test kits | |
Altos Labs, Inc.
Altos Labs, Inc. Operates as a biotechnology company focused on restoring cell health and rejuvenation resilience |
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