POWER OF ATTORNEY



Know all men by these presents, that the undersigned hereby

constitutes and appoints Olivia Bloom and William Stempel,

and each of them, his true and lawful attorney-in-fact to:



(1) execute for and on behalf of the undersigned, in the

undersigned's capacity as a director of Geron Corporation (the "Company"),

Form 3s, Form 4s, and Form 5s in accordance with Section 16(a) of the

Securities Exchange Act of 1934, as amended (the "1934 Act"),

and the rules thereunder;



(2) do and perform any and all acts for and on behalf of the

undersigned which may be necessary or desirable to complete and

execute any such Form 3s, Form 4s, or Form 5s and timely file

such form with the United States Securities and Exchange Commission

and any other authority; and



(3) take any other action of any type whatsoever in connection

with the foregoing which, in the opinion of such attorney-in-fact,

may be of benefit to, in the best interest of, or legally required by,

the undersigned, it being understood that the documents executed by

such attorney-in-fact on behalf of the undersigned pursuant to this

Power of Attorney shall be in such form and shall contain such terms and conditions as such attorney-in-fact may approve in his or her discretion.



The undersigned hereby grants to each such attorney-in-fact

full power and authority to do and perform any and every act

and thing whatsoever requisite, necessary, or proper to be done

in the exercise of any of the rights and powers herein granted, as

fully to all intents and purposes as the undersigned might or could

do if personally present, with full power of substitution or

revocation, hereby ratifying and confirming all that such

attorney-in-fact, or his or her substitute or substitutes,

shall lawfully do or cause to be done by virtue of this power of

attorney and the rights and powers herein granted.  The undersigned

acknowledges that the foregoing attorneys-in-fact, in serving

in such capacity at the request of the undersigned, are not

assuming, nor is the Company assuming, any of the undersigned's

responsibilities to comply with Section 16 of the 1934 Act.



This Power of Attorney shall remain in full force and effect

until the undersigned is no longer required to file Form 3s,

Form 4s, and Form 5s with respect to the undersigned's holdings

of and transactions in securities issued by the Company,

unless earlier revoked by the undersigned in a signed writing

delivered to the foregoing attorneys-in-fact.



IN WITNESS WHEREOF, the undersigned has caused this Power

of Attorney to be executed as of this 13th day of January 2003.



/s/ Edward V. Fritzky

Signature



Edward V. Fritzky

Print Name