EXHIBIT 31.3
Certification of Chief Executive Officer
under Section 302 of the Sarbanes-Oxley Act
I, Martin McGlynn, certify that:
| (1) | | I have reviewed this Amendment No.1 to the annual report on Form 10-K of StemCells, Inc.; and |
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| (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 29, 2011
/s/ Martin McGlynn
Martin McGlynn
President and Chief Executive Officer
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