Student, Meiji University, Tokyo, since 1998.
Administration officer South Pacific Fishing Company, Vanuatu, 1961-1964. Branch manager Trading Company Ltd., Solomon Islands, 1965-1973. Managing director Y. Sato & Company Ltd., Honiara, Solomon Islands, since 1973.
Board directors City Center Ltd., Honiara, Sol-Brew Company Ltd., Honiara.
Community area council Solomon Islands Government, Western Province, 1973-1976, ports authority, Honiara, 1973-1974, 76-78. Executive member Honiara Chamber of Commerce, 1978-1981. Board directors Solomon Islands Investment Corporation, Honiara, 1991-1994.
Advisory Ministry of Finance, Honiara, 1991-1994. Patron Solomon Islands Football Federation, since 1987. Member Solomon Island Karate Club (instructor).
Married Rose-Maria Atisi, March 1, 1969. Children: Yoshiyuki, Michiko, James Nicholas, Ernest Kenji.