H. Syamsir Siregar is an Indonesian businessperson who has been the head of 5 different companies. Currently, he holds the position of President Commissioner at PT Tifico Fiber Indonesia Tbk and President Commissioner for PT Japfa Comfeed Indonesia Tbk. H. Syamsir Siregar is also on the board of PT Manambang Muara Enim.
In the past he was President Commissioner for PT Borneo Lumbung Energi & Metal and President Commissioner of PT Asmin Koalindo Tuhup (a subsidiary of PT Borneo Lumbung Energi & Metal), Head at Badan Intelijen Negara Republik Indonesia and President Commissioner at PT Republik Energi & Metal.
Mr. Siregar received an undergraduate degree from Indonesian National Military Academy and an undergraduate degree from Sekolah Staf dan Komando Angkatan Darat.