![W. Hertz](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>)
W. Hertz
Chief Executive Officer at
GRI BIO, INC.
Net worth: 14 $ as of 2026-06-29
Profile
Dr. W.
M.
Hertz is a President, Chief Executive Officer & Director at GRI Bio, Inc., a President, Chief Executive Officer & Director at GRI Bio Operations, Inc. and a Chairman at Multimeric Biotherapeutics, Inc. He is on the Board of Directors at GRI Bio, Inc. and GRI Bio Operations, Inc. Dr. Hertz was previously employed as a Chief Executive Officer & Director by Vallon Pharmaceuticals, Inc., a Chairman by Evozym Biologics, Inc., and a Chief Executive Officer by Pharmexa, Inc. (New York).
He also served on the board at Gemvax AS.
He received his undergraduate degree from Bowdoin College and a doctorate degree from CU Anschutz Medical Campus.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2026-01-16 | 8 ( 0% ) | 14 $ | 2026-06-29 |
W. Hertz active positions
| Companies | Position | Start |
|---|---|---|
| GRI BIO, INC. | Chief Executive Officer | 2023-03-31 |
Multimeric Biotherapeutics, Inc.
 Multimeric Biotherapeutics, Inc. BiotechnologyHealth Technology Operates as a early-stage biotech company | Founder | 1997-12-31 |
GRI Bio Operations, Inc.
 GRI Bio Operations, Inc. BiotechnologyHealth Technology Operates as a bio-technology company which develops cell based therapies for inflammatory diseases | Founder | 2008-12-31 |
Former positions of W. Hertz
| Companies | Position | End |
|---|---|---|
Evozym Biologics, Inc.
 Evozym Biologics, Inc. Miscellaneous Commercial ServicesCommercial Services Develops technology platform that utilizes evolutionary biology to transform gene profiles into novel proteins | Chairman | 2017-12-31 |
Gemvax AS
 Gemvax AS Pharmaceuticals: MajorHealth Technology Develops and manufactures pharmaceuticals | Director/Board Member | 2008-12-31 |
Pharmexa, Inc. (New York) | Chief Executive Officer | 2008-07-31 |
| GRI BIOPAR | Chief Executive Officer | - |
Training of W. Hertz
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
3
1st degree connections
9
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 9 |
|---|---|
Evozym Biologics, Inc.
Evozym Biologics, Inc. Miscellaneous Commercial ServicesCommercial Services Develops technology platform that utilizes evolutionary biology to transform gene profiles into novel proteins | Commercial Services |
Bowdoin College
 Bowdoin College Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Gemvax AS
Gemvax AS Pharmaceuticals: MajorHealth Technology Develops and manufactures pharmaceuticals | Health Technology |
Pharmexa, Inc. (New York) | |
Multimeric Biotherapeutics, Inc.
Multimeric Biotherapeutics, Inc. BiotechnologyHealth Technology Operates as a early-stage biotech company | Health Technology |
GRI Bio Operations, Inc.
GRI Bio Operations, Inc. BiotechnologyHealth Technology Operates as a bio-technology company which develops cell based therapies for inflammatory diseases | Health Technology |
CU Anschutz Medical Campus
 CU Anschutz Medical Campus Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Vallon Pharmaceuticals, Inc.
 Vallon Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Operates as a biopharmaceutical company which develops and commercializes proprietary biopharmaceutical products | Health Technology |
GRI Bio, Inc.
 GRI Bio, Inc. BiotechnologyHealth Technology Develops therapies for the treatment of inflammatory, fibrotic and autoimmune diseases | Health Technology |
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