GERON CORP - FORM 10-K/A - EX-31.4 - CERTIFICATION OF CHIEF FINANCIAL OFFICER PURSUANT TO FORM OF RULE 13A-14(A)

file	filename
10-K/A - AMENDMENT TO ANNUAL REPORT - GERON CORP	geron_10ka.htm
EX-31.3 - CERTIFICATION OF CHIEF EXECUTIVE OFFICER PURSUANT TO FORM OF RULE 13A-14(A) - GERON CORP	exhibit31-3.htm
EX-10.36 - OFFICE LEASE AGREEMENT BY AND BETWEEN THE REGISTRANT AND EXPONENT REALTY, LLC - GERON CORP	exhibit10-36.htm

EXHIBIT 31.4

CERTIFICATION PURSUANT TO
FORM OF RULE 13A-14(A)
AS ADOPTED PURSUANT TO
SECTION 302(A) OF THE SARBANES-OXLEY ACT OF 2002

I, Graham K. Cooper, Executive Vice President, Finance and Business Development, and Chief Financial Officer of Geron Corporation, certify that:

	1.		I have reviewed this Amendment No. 1 to the Annual Report on Form 10-K/A of Geron Corporation; 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: March 27, 2012

/s/ GRAHAM K. COOPER
Graham K. Cooper
Executive Vice President, Finance and Business Development, and Chief Financial Officer

GERON CORP - FORM 10-K/A - EX-31.4 - CERTIFICATION OF CHIEF FINANCIAL OFFICER PURSUANT TO FORM OF RULE 13A-14(A) - March 27, 2012