In 1988, Agus started his professional career as an Auditor at Price Waterhouse Coopers. In 1990, he worked at equity-broker company, W.I. Carr Securites with his last position as Director - Head of Equity Sales. In 2001, he moved to BNI Securities as Portfolio Manager – Equities.
In 2007, Agus joined Samuel Asset Management as CEO and CIO, building a Leading Private-National Investment Management company in Indonesia. The firm has grown the Asset Under Management from Rp 350 Billion to Rp 5,8 Trillion as of Sept 2016.