David McKean (born 1956)[1] is an American attorney, author, political advisor, and diplomat who served as the United States Ambassador to Luxembourg from 2016 to 2017.

[4] Before joining the Department of State, McKean was a public policy fellow at the Woodrow Wilson International Center for Scholars in 2011 and 2012.

McKean also served as minority staff director of the United States Senate Homeland Security Permanent Subcommittee on Investigations (1997–1998), deputy chief counsel of the U.S. Senate Campaign Finance Investigation (1997), and Special Counsel to the Commodity Futures Trading Commission (1995–1997).

Prior to that, he served as Chief of Staff to Congressman Joseph P. Kennedy II (1994–1995) and Legislative Assistant to U.S.

[5] McKean has authored or co-authored five books on political history: In 2012, he received the Distinguished Honor Award from the Department of State.