Rinchen Dorji is Managing Director of RSA Pvt. Ltd. since 1994 till date. He served as Director, Dept. of Industries in 1973 ~ 1977, Managing Director, Penden Cement Authority from 1984 ~ 1985, Managing Director, Dungsum Cement Project from 1986 ~ 1988, Director General in Ministry of Health 1989 ~ 1990, Managing Director, Gedu Wood Mfg. Corporation from 1992 ~ 1993. Today he is an industrialist with his own company by the name of RSA Poly Products Pvt. Ltd. established in 2002.