Teruo Ozaki joined Arthur Andersen Tokyo Office in 1968 and became a CPA in 1974. He became a representative partner of Eiwa Audit Corporation in 1984 and a representative partner of Inoue Saito Eiwa Audit Corporation in 1991. Ozaki became a representative partner of Asahi & Co. (presently KPMG AZSA & Co.) in 1993, an executive partner in 1999 and a deputy managing partner from January 2002 through May 2003. He retired from KPMG AZSA & Co. in September 2003 and opened Teruo Ozaki & Co. in October 2003. In 2004, Ozaki became a corporate auditor to Kirin Holdings Company, Ltd. and Tokai Rubber Industries, Ltd., and became an Outside Director to UFJ Bank Limited (currently The Bank of Tokyo-Mitsubishi UFJ). In 2005, he also became an Outside Director to DAIKYO INCORPORATED.

Ozaki was made an advisor to ORIX's Audit Committee in August 2004 and was appointed an Outside Director in June 2006.

He was born in 1944.