Gunawan is an Electronic Engineer who lived in Germany for 13 years, where he married his wife, Lania, and had 2 daughters. He was baptised a Catholic in 1978 and emigrated to Australia in 1983. He did not have a very close relationship with God until 1990, when he attended a retreat by Fr. Joe Grech that deepened his faith.  He joined St James prayer group in Vermont in 1993. During a 2 year work stint in Indonesia in 1996, he found more opportunities to attend retreats and seminars in Jakarta. On his return to Australia in 1998, he became the leader of the Indonesian Catholic Family Group (PDKKI) and formed an Indonesian Prayer Group at St Augustine's Melbourne.  He is currently an advisor for the Indonesian Holy Trinity Community in Melbourne and is a member of St Scholastica's prayer group in Burwood.