![Charles Semba](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>)
Charles Semba
Director/Board Member at
DIAMEDICA THERAPEUTICS INC.
Net worth: 343 796 $ as of 2026-05-30
Profile
Charles P.
Semba is an Independent Director at DiaMedica Therapeutics, Inc. since 2021.
Dr. Semba is a Professor at Stanford University.
Dr. Semba is a Member of The American College of Radiology.
Dr. Semba is a Member of the American College of Cardiology Foundation.
Former positions include Senior Director-Tissue Growth & Repair at Genentech, Inc., Chief Medical Officer at SARcode Bioscience, Inc., Chief Medical Officer at ForSight VISION5, Inc. from 2014 to 2016, Chief Medical Officer at Graybug Vision, Inc. from 2016 to 2020, President of the American Heart Association, Inc., and Associate Professor at Stanford University School of Medicine.
Education includes undergraduate studies at Carleton College and a doctorate from the University of Minnesota.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2026-05-31 | 44,608 ( -.--% ) | 267 202 $ | 2026-05-30 | |
| 2026-05-31 | 12,787 ( 0.02% ) | 76 594 $ | 2026-05-30 |
Charles Semba active positions
| Companies | Position | Start |
|---|---|---|
| DIAMEDICA THERAPEUTICS INC. | Director/Board Member | 2021-07-14 |
Stanford University
 Stanford University Other Consumer ServicesConsumer Services Functions as a College/University | Corporate Officer/Principal | - |
The American College of Radiology
 The American College of Radiology Miscellaneous Commercial ServicesCommercial Services Conducts programs with the focus on medical imaging and radiation oncology | Corporate Officer/Principal | - |
American College of Cardiology Foundation
 American College of Cardiology Foundation Medical/Nursing ServicesHealth Services Provides cardiovascular education services | Corporate Officer/Principal | - |
Former positions of Charles Semba
| Companies | Position | End |
|---|---|---|
| CALCIMEDICA, INC. | Chief Tech/Sci/R&D Officer | 2020-02-29 |
ForSight VISION5, Inc.
 ForSight VISION5, Inc. Electronic Equipment/InstrumentsElectronic Technology Develops ocular drug delivery technologies and device solutions for ophthalmic diseases | Chief Tech/Sci/R&D Officer | 2015-12-31 |
Stanford University School of Medicine
 Stanford University School of Medicine Other Consumer ServicesConsumer Services Functions as a College/University | Corporate Officer/Principal | - |
American Heart Association, Inc.
 American Heart Association, Inc. Miscellaneous Commercial ServicesCommercial Services Operates a voluntary health organization | President | - |
Genentech, Inc.
 Genentech, Inc. BiotechnologyHealth Technology Operates as a biotechnology company that develops medicines for cancer peoples | Corporate Officer/Principal | - |
Training of Charles Semba
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
84
1st degree connections
12
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 12 |
|---|---|
Genentech, Inc.
Genentech, Inc. BiotechnologyHealth Technology Operates as a biotechnology company that develops medicines for cancer peoples | Health Technology |
DiaMedica Therapeutics, Inc.
 DiaMedica Therapeutics, Inc. BiotechnologyHealth Technology Operates as a biopharmaceutical company that engages in development and commercialization of therapeutic treatments from novel recombinant proteins | Health Technology |
SARcode Bioscience, Inc.
 SARcode Bioscience, Inc. Pharmaceuticals: MajorHealth Technology Develops biopharmaceutical products | Health Technology |
ForSight VISION5, Inc.
ForSight VISION5, Inc. Electronic Equipment/InstrumentsElectronic Technology Develops ocular drug delivery technologies and device solutions for ophthalmic diseases | Electronic Technology |
Graybug Vision, Inc.
 Graybug Vision, Inc. Pharmaceuticals: MajorHealth Technology Operates as clinical-stage biopharmaceutical company, which focuses on developing transformative medicines for the treatment of chronic diseases of retina and optic nerve | Health Technology |
Stanford University
Stanford University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Carleton College
 Carleton College Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
University of Minnesota
 University of Minnesota Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
American Heart Association, Inc.
American Heart Association, Inc. Miscellaneous Commercial ServicesCommercial Services Operates a voluntary health organization | Commercial Services |
The American College of Radiology
The American College of Radiology Miscellaneous Commercial ServicesCommercial Services Conducts programs with the focus on medical imaging and radiation oncology | Commercial Services |
American College of Cardiology Foundation
American College of Cardiology Foundation Medical/Nursing ServicesHealth Services Provides cardiovascular education services | Health Services |
Stanford University School of Medicine
Stanford University School of Medicine Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
- Stock Market
- Insiders
- Charles Semba
