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R. Niels Marquardt (born in San Diego, California) is a retired American diplomat and past CEO of the American Chamber of Commerce in Australia.

Niels Marquardt
R Niels Marquardt 2002.jpg
American Consul General to Sydney, Australia
Assumed office
April 23, 2010
Preceded byJudith R. Fergin
United States Ambassador to Madagascar and Comoros
In office
August 17, 2007 – June 7, 2010
Appointed byGeorge W. Bush
Barack Obama
Preceded byJames McGee
Succeeded byEric W. Stromayer
United States Ambassador to Equatorial Guinea
In office
September 2, 2004 – September 2006
Appointed byGeorge W. Bush
Preceded byGeorge McDade Staples
Succeeded byDonald Johnson
United States Ambassador to Cameroon
In office
October 29, 2004 – April 9, 2007
Appointed byGeorge W. Bush
Preceded byGeorge McDade Staples
Succeeded byJanet Garvy
Personal details
Born1953 (age 65–66)
San Diego, United States
Spouse(s)Judi Marquardt
Alma materLewis and Clark College
Thunderbird School of Global Management
National War College



R. Niels Marquardt graduated from Lewis and Clark College in 1975 with a B.A., the American Graduate School of International Management in 1980, and from the National War College in 1994. Prior to joining the Foreign Service, Marquardt served from 1977 to 1979 as a Peace Corps Volunteer in Rwanda.


Marquardt joined the U.S. foreign service in 1980. He served as the U.S. Ambassador to the Republic of Madagascar and the Union of the Comoros from 2007 to 2010. He was nominated by President George W. Bush on March 26, 2007. On May 25, 2007, the Senate confirmed his nomination. He was sworn in on August 17, 2007. He also served as the U.S. Ambassador to the Republic of Cameroon from 2004 to 2007 and as U.S. Ambassador to the Republic of Equatorial Guinea from 2004 to 2006. From 2001 to 2004, he served as the Special Coordinator for Diplomatic Readiness. In this role, he was responsible for coordinating the largest increase in State Department recruiting, hiring, and training in its history. A senior Foreign Service officer, class of Minister-Counselor, he also served in 1998 to 2000 as Director of the Department's Entry-level Counseling and Assignments Division in the Bureau of Human Resources.

Marquardt's overseas assignments as an economic officer have taken him to Germany (1995–98), France (1990–94), Thailand twice (1981–83, 1987–90) and Brazzaville, Congo (1983–85). He also served mainly in the Bureau of East Asian and Pacific Affairs and as a Country Risk Analyst at the Export-Import Bank of the United States. Additionally, he attended the Senior Seminar and the Economic-Commercial Studies Program at the Department's Foreign Service Institute.

Awards and honoursEdit

Marquardt is the recipient of several Meritorious and Superior Honor Awards as well as the Presidential Performance Pay on four occasions.[1]

Personal lifeEdit

Marquardt is married to Judith Marquardt and they have four daughters, Kaia, Kelsey, Torrin, and Yannika. His foreign languages include French, German, Thai, and Spanish.


External linksEdit