EXHIBIT 31.1
CERTIFICATION OF THE PRESIDENT AND CHIEF EXECUTIVE OFFICER
PURSUANT TO
SECURITIES EXCHANGE ACT RULES 13A-14(A) AND 15D-14(A)
I, Thinh Q. Tran, certify that:
| 1. | I have reviewed this annual report on Form 10-K of Sigma Designs, 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 29, 2009
| /s/ Thinh Q. Tran |
| Thinh Q. Tran |
| Chairman of the Board, President and |
| Chief Executive Officer |