Exhibit 31.2
CERTIFICATIONS
I, Eric H. Bjerkholt, certify that:
| 1. | I have reviewed this Amendment No. 1 to the Annual Report on Form 10-K/A of Sunesis Pharmaceuticals, Inc. |
| 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: May 23, 2007 | | |
| | /s/ Eric H. Bjerkholt | |
| | Eric H. Bjerkholt | |
| | Senior Vice President, Corporate Development and | |
| | Finance, Chief Financial Officer | |
