Darmawan was born into a Christian family in Indonesia. The village where he grew up was very secular. Darmawan accepted Jesus as his personal Lord and Savior when he was older after attending church services. he has since e held fast to his faith in the midst of a non-Christian culture. He studied theology and discovered without a doubt that God was calling him to evangelism. He now serves the people of Indonesia as a church planter, primarily among Buddhists. Darmawan and his wife, Saudur have six children.