Dynasil Corporation of America announced that Steven Ruggieri will resign as Chief Executive Officer and President and as a member of the Board of Directors of the company, effective July 6, 2012. Dynasil Chairman Peter Sulick will serve as the company's Interim Chief Executive Officer and President until a replacement is named by the board. Sulick, 61, has been a director of the Company since 2008 and has served as the non-executive Chairman of the Board since September 2009. Sulick is President and CEO of AmeriSite, LLC and is the Executive Chairman and former CEO of Prism Microwave Inc.