LEADERSHIP ROUNDTABLE Army Gen. Martin E. Dempsey, chairman of the Joint Chiefs of Staff, prepares to address TechAmerica's senior leadership roundtable in Washington D.C., June 20, 2013. The roundtable consisted of chief executive officers from the most influential technology companies currently operating in the defense, intelligence and homeland security space. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 802146-J-NKK93-689.jpg Photo Gallery