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George Vratsanos
Director/Board Member at
NKARTA, INC.
Net worth: - $ as of 31/05/2026
Profile
George Vratsanos is President & Chief Executive Officer at Jnana Therapeutics, Inc. and Independent Director at Nkarta, Inc. Former positions include Group Director at Bristol Myers Squibb Co. from 2007 to 2009, Translational Medicine Leader at Roche Pharmaceuticals, Inc. from 2009 to 2011, and Head-Immunology & Dermatology at Novartis Agribusiness Holding, Inc. from 2013 to 2016.
Education includes graduate studies at Vanderbilt University, undergraduate and graduate degrees from The Trustees of Columbia University in The City of New York, and undergraduate studies at New York University School of Medicine.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
NKARTA, INC. -.--% | 10/06/2026 | 0 ( -.--% ) | - $ | 31/05/2026 |
George Vratsanos active positions
| Companies | Position | Start |
|---|---|---|
| NKARTA, INC. | Director/Board Member | 13/05/2024 |
Jnana Therapeutics, Inc.
 Jnana Therapeutics, Inc. BiotechnologyHealth Technology Operates as a chemo proteomics platform to develop small molecule medicines | Chief Executive Officer | - |
Former positions of George Vratsanos
| Companies | Position | End |
|---|---|---|
Novartis Agribusiness Holding, Inc.
 Novartis Agribusiness Holding, Inc. Financial ConglomeratesFinance Functions as an investment holding company | Corporate Officer/Principal | 01/09/2016 |
Roche Pharmaceuticals, Inc.
 Roche Pharmaceuticals, Inc. Miscellaneous Commercial ServicesCommercial Services Provides research and development services | Corporate Officer/Principal | 01/11/2011 |
| BRISTOL-MYERS SQUIBB COMPANY | Director/Board Member | 01/01/2009 |
Training of George Vratsanos
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
47
1st degree connections
8
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 8 |
|---|---|
Bristol Myers Squibb Co.
 Bristol Myers Squibb Co. Pharmaceuticals: MajorHealth Technology Manufactures and markets biopharmaceuticals products | Health Technology |
Roche Pharmaceuticals, Inc.
Roche Pharmaceuticals, Inc. Miscellaneous Commercial ServicesCommercial Services Provides research and development services | Commercial Services |
The Trustees of Columbia University in The City of New York
 The Trustees of Columbia University in The City of New York Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Vanderbilt University
 Vanderbilt University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
New York University School of Medicine
 New York University School of Medicine Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Nkarta, Inc.
 Nkarta, Inc. BiotechnologyHealth Technology Discovers, develops and delivers NK cell therapies for cancer treatment | Health Technology |
Jnana Therapeutics, Inc.
Jnana Therapeutics, Inc. BiotechnologyHealth Technology Operates as a chemo proteomics platform to develop small molecule medicines | Health Technology |
Novartis Agribusiness Holding, Inc.
Novartis Agribusiness Holding, Inc. Financial ConglomeratesFinance Functions as an investment holding company | Finance |
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