query: Who is the UK ambassador to US?
passage: Kim Darroch
Sir Nigel Kim Darroch KCMG (/ˈdærək/; born 30 April 1954) is a senior British diplomat, who since January 2016 has been British Ambassador to the United States.[3]
passage: Jo Ellen Powell
Jo Ellen Powell is a career member of the United States Foreign Service who served as Consul General in Frankfurt, Germany and was nominated as the US ambassador to Mauritania by Barack Obama on July 15, 2010. She has been known in Frankfurt for her active engagement with Germany's Muslim community, as well as with students, through the "Windows on America" program. Prior to that Powell was the Executive Director of the Bureau of Western Hemisphere Affairs, Director of the Office of Employee Relations, and Management Counselor at the U.S. Embassy in Canberra, Australia.