Seri Santoso, is the eldest son from the couple of Tutik (mother) and Perencam (father), Suku Anak Dalam (SAD) Tribe who lives in Dwi Karya Bhakti Village, Pelepat, Bungo Regency. Seri finished high school about 2 years ago. After graduating from school he had high desire to become an Indonesian National Army (TNI) and wanted to dedicate himself completely to serve the country.