Attached files
| file | filename |
|---|---|
| EX-31.2 - EX-31.2 - ZIOPHARM ONCOLOGY INC | d556004dex312.htm |
| 10-K/A - 10-K/A - ZIOPHARM ONCOLOGY INC | d556004d10ka.htm |
Exhibit 31.1
CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER
I, Laurence J.N. Cooper, certify that:
| 1. | I have reviewed this Amendment No. 1 to Annual Report on Form 10-K/A of ZIOPHARM Oncology, Inc.; and | |
| 2. | Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report. | |
Date: April 30, 2018
| /s/ Laurence J.N. Cooper |
| Laurence J.N. Cooper, M.D., Ph.D. Chief Executive Officer |
| (Principal Executive Officer) |