William S. Cohen (born August 28, 1940) is an American politician and author associated with the Republican Party. He is widely identified with the state of Maine and has had a long career in public office and public affairs. Cohen is known for a pragmatic, often centrist approach to national security, defense and bipartisan cooperation.
Local and congressional service
Cohen began his public career in municipal government, serving on the city council of Bangor before becoming the city's mayor in the early 1970s. He later represented Maine at the federal level, serving in the United States House of Representatives and then in the United States Senate. During his time in Congress he became closely associated with defense and intelligence matters, helping to shape policy and oversight for the armed forces.
Secretary of Defense (1997–2001)
In 1997 Cohen was appointed U.S. Secretary of Defense, accepting a Cabinet position in the administration of Democratic President Bill Clinton. His selection as a Republican to serve in a Democratic administration was notable for its bipartisan character. As Secretary he managed the Department of Defense through a period of post–Cold War transformation, addressing force readiness, coalition operations, and organizational reforms.
Policy focus and reputation
Cohen's public image is that of a moderate Republican who placed particular emphasis on national security, defense reform and pragmatic governance. He has been described as someone who sought to bridge party lines on strategic and military issues, and he often worked with colleagues from both parties to advance legislation and oversight related to defense and foreign policy.
Later career and public roles
After leaving government service, Cohen wrote on public affairs and national security and took on roles as an adviser and analyst. In May 2016 he joined the BBC as a world affairs analyst and has appeared on broadcasts such as BBC World News America. He also participates in civic and non‑profit initiatives, serving on advisory boards and in groups focused on government reform and security—work that includes engagement with organizations like the Partnership for a Secure America and the ReFormers Caucus of Issue One.
Legacy and distinguishing facts
William S. Cohen is often cited as an example of a Northeastern Republican who combined oversight experience in Congress with executive responsibility as Defense Secretary. His career spans municipal leadership, congressional service and a Cabinet post, and it illustrates a pragmatic, security‑focused approach that crossed partisan lines. He continues to contribute to public debate as an author, commentator and adviser.
For additional reading on his career and public statements, see contemporary coverage and published interviews with Cohen.