William J. Perry

William J. Perry is an American scientist and former government official who served as Secretary of Defense under President Bill Clinton from 1994 to 1997. He played a key role in advancing technological innovation and in shaping U.S. defense policy during the post-Cold War era. Perry is also known for his work on nuclear disarmament and efforts to reduce the threat of nuclear weapons globally. After his government service, he has been a professor and author, focusing on issues of technology, security, and global peace.