![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: 155 973 $ as of 2026-08-30
Profile
Mr. Michael P.
Tarnok is an Independent Director at Ionetix Corp.
He is on the Board of Directors at Ionetix Corp.
and Ionetix, Inc. Mr. Tarnok was previously employed as an Independent Director by Dyadic International, Inc., a Chairman by Keryx Biopharmaceuticals, Inc., and a Senior Vice President-Finance by Pfizer Inc. He also served on the board at Global Health Council, Inc. He received his undergraduate degree from St. John's University and an MBA from New York University.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2025-06-19 | 281,033 ( 0.7% ) | 155 973 $ | 2026-08-30 |
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 | 2026-04-30 |
Former positions of Michael Tarnok
| Companies | Position | End |
|---|---|---|
| DYADIC INTERNATIONAL, INC. | Chairman | 2024-03-27 |
| KERYX BIOPHARMACEUTICALS | Chief Executive Officer | 2009-05-19 |
| PFIZER INC. | Corporate Officer/Principal | 2006-12-31 |
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
92
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. |
- Stock Market
- Insiders
- Michael Tarnok
