MENLO PARK, Calif.--(BUSINESS WIRE)--Geron Corporation (Nasdaq:GERN) today announced the appointment of Patrick J. Zenner, a current member of the Board of Directors, to the Audit Committee. Also, the Board of Directors appointed Mr. Edward V. Fritzky, currently a member of the Audit Committee, to Chairman of the Audit Committee and has determined that Mr. Fritzky is a financial expert as required.