William S. Cohen

William S. Cohen is an American politician who served as a U.S. Senator from Maine from 1979 to 1997 and as Secretary of Defense under President Bill Clinton from 1997 to 2001. As a senator, he focused on national security, defense, and fiscal issues. As Secretary of Defense, he oversaw the U.S. military during a time of post-Cold War restructuring and operations. Cohen is known for his expertise in defense policy and for bridging bipartisan efforts on national security matters. After his government service, he has been involved in consulting and policy analysis.