Mr. Usman served as the Chairman of Executive Board at Capital Market Executive Agency from 1988 to 1991. He was Minister of the Department of Tourism, Art, and Culture of Indonesia from 1998 to 1999, Minister of Investment Affairs/Chairman of Investment Coordination Board RI since 1999, Minister of Transportation ad Interim RI since 2001 and Minister of Justice ad interim RI since 2001.

Mr. Usman served as Secretary of the State Minister for the Empowerment of State Apparatus RI since 1988. Mr. Usman has been the President Commissioner of PT Alam Sutera Realty Tbk since 2007. He serves as the President Commissioner of PT Alfa Goldland Realty.
He served as the President Commissioner of PT Island Concepts Indonesia Tbk. He served as the President Commissioner of PT Bank Ganesha since 2004. He has been an Independent Commissioner at PT Cipaganti Citra Graha Tbk. since 2011. He serves as a Commissioner of PT Alam Sutera Realty Tbk. He has been Commissioner of PT Sawit Sumbermas Sarana Tbk since August 2013.

He served as an Independent Non-executive Director of Pacific Plywood Holdings Limited from June 22, 2002 to October 28, 2010. He served as a Board of Commissioner of Bank Bumi Daya from 1981 to 1987, Bank Dagang Negara Indonesia from 1983 to 1989, Perum Astek from 1989 to 1992 and Sari Husada Tbk PT since 2004. He is Chairman of Economic Association of Indonesia and India. He was a Member of National Council of Indonesian Banker Institute.
He was Lecturer in University of Gajah Mada and University of Indonesia. Mr. Usman holds a Bachelor's Degree in Economics from University of Gajah Mada in 1969 and Master's Degree in Economics from Duke University in Durham, North Carolina, USA in 1975.