GT Biopharma, Inc.
Current role
GTBP
Biotechnology · Healthcare
CEO, Board Member
2021-01-13–present
Michael Breen
Board Member
GT Biopharma, Inc. (GTBP)Equibles does not estimate personal net worth.
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Get GTBP alertsAbout Michael Breen
Michael Breen is recorded as Board Member at GT Biopharma, Inc. (GTBP) since January 13, 2021 and CEO at GT Biopharma, Inc. (GTBP). The newest filing on record that lists Michael Breen as CEO at GT Biopharma, Inc. (GTBP) is dated July 2, 2026. GT Biopharma, Inc. reported in an 8-K filed May 5, 2025 that Michael Breen was appointed Chief Executive Officer, effective April 29, 2025. The proxy statement of GT Biopharma, Inc. reports total compensation of $1,727,646 for Michael Breen in fiscal 2025, including a base salary of $641,020. Disclosed compensation is on record for 6 fiscal years. GT Biopharma, Inc. is classified in the Biotechnology industry within the Healthcare sector. Other leadership on record at GT Biopharma, Inc. includes Anthony Cataldo (CEO), Dr. Gregory Berk (CEO), Bruce Wendel (Chairman) and 7 others.
“On April 29, 2025, GT Biopharma, Inc. (the "Company") appointed Michael Breen as its Chief Executive Officer for a two-year term, effective as of April 29, 2025.”
Affiliation history
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Current
2021-01-13–present
-
Current
Start not stated–present
Last confirmed July 2, 2026
Company network
Leadership on record at GT Biopharma, Inc.
- Anthony Cataldo CEO
- Dr. Gregory Berk CEO
- Bruce Wendel Chairman
- Alan L. Urban CFO, Board Member
- Alan Urban CFO
- Dr. Gavin Choy CFO
- Michael Handelman CFO
- Andrew Ritter Board Member
- Charles J. Casamento Board Member
- David C. Mun-Gavin Board Member
Executive compensation
Compensation components disclosed in company proxy statements. Amounts are nominal USD; total is the company-reported figure.
| Fiscal year | Company | Role | Salary | Total |
|---|---|---|---|---|
| 2025 | GT Biopharma, Inc. (GTBP) | Chairman, Chief Executive Officer, and President | $641,020 | $1,727,646 |
| 2024 | GT Biopharma, Inc. (GTBP) | Chairman, Chief Executive Officer, and President | $556,200 | $1,186,972 |
| 2023 | GT Biopharma, Inc. (GTBP) | Executive Chairman of the Board of Directors and Interim Chief Executive Officer | $556,200 | $1,525,834 |
| 2022 | GT Biopharma, Inc. (GTBP) | Executive Chairman of the Board of Directors and Interim Chief Executive Officer | $492,500 | $1,892,293 |
| 2021 | GT Biopharma, Inc. (GTBP) | Executive Chairman of the Board of Directors and Interim Chief Executive Officer | $62,784 | $2,827,703 |
| 2020 | GT Biopharma, Inc. (GTBP) | Executive Chairman of the Board of Directors | — | — |