Indonesian citizen, domiciled in Surabaya, born in 1948. Graduated from High School equivalent at Pematang Siantar. He started his career in 1969 at the Cigarette Company and he has a good knowledge as an entrepreneur. As an Assistant Director in 1975, as well as President Director PT Siantar Madju from 1976 up to now. He is one of the founders of the Company in 1976 and hold a position as a President Director of the Company since June 1994, and in 2021 was appointed as a President Commissioner based on decision of Extraordinary General Meeting of Shareholders on June 7th, 2021.