John Caldwell

Lt. Gen. Rtd. (USAF) John S. Caldwell Jr. is Independent Director of Taser International Inc. He has been Director since June 2006. General Caldwell is currently employed as a consultant affiliated with The Spectrum Group, Wesley K. Clark Associates, and ASI Consulting Group. He previously was employed as Executive Vice President, Defense Solutions, Perot Systems Government Service until June 2008. General Caldwell was Senior Vice President, Defense Information Technology Solutions, QSS Group, Inc. from July 2004 through February 2008 at which time QSS Group Inc. was merged into Perot Systems Government Services. He is also employed as an Executive Advisor for PTC Corporation. From November 2001 through January 2004, General Caldwell was a Lieutenant General in the United States Army and Military Deputy to the Assistant Secretary of the Army for Acquisition, Logistics and Technology. General Caldwell holds a B.S. degree from the U.S. Military Academy at West Point, New York and a M.S. degree in mechanical engineering from the Georgia Institute of Technology. General Caldwell is a director of Puradyn Filter Technologies and serves on several other corporate advisory boards.