![Michael Tarnok](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>)
Michael Tarnok
Director/Board Member at
Ionetix, Inc.
Net worth: 295 085 $ as of 30/07/2026
Profile
Michael P.
Tarnok is currently Director at Ionetix, Inc. Formerly, Mr. Tarnok was Chairman at Keryx Biopharmaceuticals, Inc. from 2010 to 2016, Director at Global Health Council, Inc., Independent Director at Dyadic International, Inc. from 2024 to 2025, and Senior Vice President-Finance at Pfizer Inc. from 1989 to 2007.
Mr. Tarnok earned an MBA from New York University and completed undergraduate studies at St. John's University.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 19/06/2025 | 281,033 ( 0.77% ) | 295 085 $ | 30/07/2026 |
Michael Tarnok active positions
| Companies | Position | Start |
|---|---|---|
Ionetix, Inc. | Director/Board Member | - |
Ionetix Corp.
 Ionetix Corp. Pharmaceuticals: OtherHealth Technology Manufactures radioisotopes and radiopharmaceuticals | Director/Board Member | 30/04/2026 |
Former positions of Michael Tarnok
| Companies | Position | End |
|---|---|---|
| DYADIC INTERNATIONAL, INC. | Chairman | 27/03/2024 |
| KERYX BIOPHARMACEUTICALS | Chief Executive Officer | 19/05/2009 |
| PFIZER INC. | Corporate Officer/Principal | 31/12/2006 |
Global Health Council, Inc.
 Global Health Council, Inc. Miscellaneous Commercial ServicesCommercial Services Operates as membership organization supporting and connecting advocates | Director/Board Member | - |
Training of Michael Tarnok
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
89
1st degree connections
8
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 8 |
|---|---|
Pfizer Inc.
 Pfizer Inc. Pharmaceuticals: MajorHealth Technology Engages in discovery, development, manufacturing, marketing, sale and distribution of biopharmaceutical products & ingredients | Health Technology |
Keryx Biopharmaceuticals, Inc.
 Keryx Biopharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Operates as a biopharmaceutical company which focuses on therapies for patients with renal disease | Health Technology |
Dyadic International, Inc.
 Dyadic International, Inc. Medical/Nursing ServicesHealth Services Manufactures genes and other biological products | Health Services |
New York University
 New York University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
St. John's University
 St. John's University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Global Health Council, Inc.
Global Health Council, Inc. Miscellaneous Commercial ServicesCommercial Services Operates as membership organization supporting and connecting advocates | Commercial Services |
Ionetix Corp.
Ionetix Corp. Pharmaceuticals: OtherHealth Technology Manufactures radioisotopes and radiopharmaceuticals | Health Technology |
Ionetix, Inc. |
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