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Michael Geffner
No open positions remaining
Net worth: 9 M $ as of 2026-06-29
Profile
Michael Geffner worked as Head-Global Medical Affairs at Achillion Pharmaceuticals, Inc. from 2015 to 2020.
Dr. Geffner worked as Principal at Merck & Co., Inc. Dr. Geffner worked as Chief Medical Officer & Head-Product Development at BlueSphere Bio, Inc. from 2020 to 2022.
Dr. Geffner worked as Principal at Clindevex Consulting, Inc. Dr. Geffner worked as Chief Medical Officer at Immunovant, Inc. Dr. Geffner earned an MBA from Fairleigh Dickinson University and a doctorate from Albany Medical College.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
IMMUNOVANT INC 0.11% | 2026-06-29 | 234,586 ( 0.11% ) | 9 M $ | 2026-06-29 |
Former positions of Michael Geffner
| Companies | Position | End |
|---|---|---|
| IMMUNOVANT, INC. | Chief Tech/Sci/R&D Officer | 2025-11-20 |
BlueSphere Bio, Inc.
 BlueSphere Bio, Inc. Pharmaceuticals: MajorHealth Technology Manufactures oncology drugs products | Chief Tech/Sci/R&D Officer | 2022-05-31 |
| ACHILLION PHARMACEUTICALS, INC. | Corporate Officer/Principal | 2020-03-31 |
| MERCK & CO., INC. | Corporate Officer/Principal | - |
Training of Michael Geffner
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
16
1st degree connections
6
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 6 |
|---|---|
Merck & Co., Inc.
 Merck & Co., Inc. Pharmaceuticals: MajorHealth Technology Manufactures human and animal health pharmaceutical products & vaccines | Health Technology |
Achillion Pharmaceuticals, Inc.
 Achillion Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Discovers, develops and commercializes treatments for infectious diseases | Health Technology |
Fairleigh Dickinson University
 Fairleigh Dickinson University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Albany Medical College
 Albany Medical College Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
BlueSphere Bio, Inc.
BlueSphere Bio, Inc. Pharmaceuticals: MajorHealth Technology Manufactures oncology drugs products | Health Technology |
Immunovant, Inc.
 Immunovant, Inc. BiotechnologyHealth Technology Develops restorative therapies for autoimmune diseases | Health Technology |
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