Mechanical engineer, Bandung Institute of Technology, 1973.
Sub assistant manager Krama Yudha Tiga Berlian Motors, Jakarta, Indonesia, 1974—1975. Senior assistant manager Krama Yudha Ratu Motor, 1975—1977, production manager, 1977—1980, operation director, 1980—1986, vice president director, 1987—1997, president director, since 1998.
Member of Society Automotive Engineers (organization and legal affairs director since 1995).
Married Rini Paska Rosalina Tambunan, November 24, 1973. Children: Novriko, Andre, Fredrik, Jermia.