Dr. Subagio spent most of his career as a government official within Government institution. He was Director of Public Information Services within the Ministry of Information and Communication, and currently he is a special advisor and expert staff for Director General Public Information and Communication at the Ministry of Communication & Information.

He also an Executive Chairman for Government Coordinating Body for Public Relations (BAKOHUMAS) from 2005 – 2011. In 2007 together with Indonesian Public Relations Association (PERHUMAS) he initiated a team to develop Indonesian Competency Work Standard for Public Relations (SKKNI).
He obtained degrees from Bachelor of Information, Bachelor of Communication, Master in Communication from Padjadjaran University and Doctorate degree from State University of Jakarta (UNJ). Mr. Subagio also a certified assessor for competency assessment.