Yuki Oshima joined ORIX in 1971. After a number of positions in ORIX, Oshima was appointed President of ORIX Asia Limited in April 1994 before being made Deputy President of Korea Development Leasing Corporation in April 2000. In June 2002, he became the Deputy Head of the International Headquarters and in March 2004 was appointed the President of ORIX Capital Korea Corporation. In June 2005 Oshima was made the Head of the International Headquarters and an Executive Officer. In January 2009, Oshima was appointed Chairman of ORIX USA Corporation.

Oshima was born in 1947.