Ownership Submission
FORM 3
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  Benedetti Fabio M
2. Date of Event Requiring Statement (Month/Day/Year)
01/24/2008
3. Issuer Name and Ticker or Trading Symbol
GERON CORP [GERN]
(Last)
(First)
(Middle)
C/O GERON CORPORATION, 230 CONSTITUTION DRIVE
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
SVP, Chief Med Off, Oncology
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

MENLO PARK, CA 94025
6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)
2. Amount of Securities Beneficially Owned
(Instr. 4)
3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)
4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock 25,000 (1)
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)
2. Date Exercisable and Expiration Date
(Month/Day/Year)
3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)
4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)
6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Option (Right to Purchase)   (2) 04/18/2017 Common Stock 100,000 $ 7.14 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Benedetti Fabio M
C/O GERON CORPORATION
230 CONSTITUTION DRIVE
MENLO PARK, CA 94025
      SVP, Chief Med Off, Oncology  

Signatures

/s/ Fabio M. Benedetti 01/25/2008
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) The shares of restricted stock will remain subject to a repurchase right of Geron until April 2, 2008, at which time such repurchase right will lapse with respect to 50% of such shares. Geron's repurchase right will lapse with respect to the balance of the shares on April 2, 2009. The lapse of Geron's repurchase right is conditioned on the employee continuing to provide services to Geron through each vesting date.
(2) This option is exercisable in a series of 48 equal monthly installments commencing April 2, 2007 provided the optionee continues to provide services to the Company.

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