[4] He later served as foreign policy advisor to Commander, United States Pacific Command (CDRUSPACOM), Admiral Harry B. Harris Jr.[5] Marut was born in Connecticut in 1952; his father, Walter, was an engineer for Pratt & Whitney.

[3] Marut joined the Foreign Service in 1984; his early postings include the US Embassy in China, the US Consulate General in Hong Kong and Macau, the US Embassy in Malaysia, and a first assignment at the American Institute in Taiwan from 1986 to 1989, where he served as a Consular Officer as well as a Science and Technology Officer.

[3][4][6] Marut also had stateside postings at the State Department's Bureau of East Asian and Pacific Affairs (EAP), including an appointment as the Director of the Office of Regional and Security Policy.

[4] He returned to the EAP in February 2010 as Director of the Office of Australia, New Zealand and Pacific Island Affairs.

[3][4] Marut succeeded William Stanton as the Director of the American Institute in Taiwan[3][7] in September 2012; he completed his three-year term in June 2015.