John S.T. Gallagher has served as a director of Perot Systems since May 2001. Since August 2006, Mr. Gallagher has served as a director and member of the audit committee of American Medical Alert Corp. From March 2002 until April 2007, Mr. Gallagher served as a director and member of the audit and compensation committees of Netsmart Technologies, Inc. From November 2005 through December 2006, Mr. Gallagher served as director and Chief Executive of Stony Brook University Hospital. Mr. Gallagher served as President and Chief Executive Officer of North Shore-Long Island Jewish Health System from October 1997 through December 2001 and continues to serve on its Board of Trustees. From January 2002 to November 2005, Mr. Gallagher served as Deputy County Executive of Health and Human Services for Nassau County, New York. Age 76.