Charles R. Whitchurch has been a director of SPSS Inc. since October 2003. From September 1991 through his retirement in June 2008, Mr. Whitchurch served as the Chief Financial Officer and Treasurer of Zebra Technologies Corporation. Since October 2008, Mr. Whitechurch has served as a director of Landmark Aviation, and since February 2009, he has also served as a director of ScanSource, Inc. From 1981 until September 1991, Mr. Whitchurch served as Vice President, Finance of Corcom, Inc., a technology company specializing in the control of radio frequency interference. In addition, Mr. Whitchurch previously held positions as Chief Financial Officer of Resinoid Engineering Corporation and as a Corporate Services Officer with the Harris Bank in Chicago. Mr. Whitchurch holds a bachelors degree in economics (Phi Beta Kappa) from Beloit College and an M.B.A. from Stanford University.