Hratch G. Semerjian is the President and Executive Director of the Council for Chemical Research (CCR). Prior to joining CCR, Dr. Semerjian served as the Director of NIST’s Chemical Science and Technology Laboratory from 1992 to 2003, as NIST Deputy Director from July 2003 to August 2006, as the Acting Director from November 2004 through July 2005, and as NIST Chief Scientist from September 2006 through August 2007. As NIST Deputy Director, he was responsible for overall operation of the Institute, the effectiveness of NIST’s technical programs, and interactions with external and international organizations. Dr. Semerjian is a member of the National Academy of Engineering and a Fellow of the American Society of Mechanical Engineers. He has also received the Brown Engineering Alumni Medal, the U.S. Department of Commerce Meritorious Federal Service (Silver Medal) Award, and the U.S. Department of Commerce Distinguished Achievement in Federal Service (Gold Medal) Award.