Hangga graduated from Parahyangan Catholic University. During his time in law school, he actively participated in many campus organizations and activities. He was in charge as Head of Faculty General Election Commission in 2017.
He focuses on litigation and general corporate matters, including Bankruptcy and Suspension of Obligation for Payment of Debts (PKPU), Land and Property, Construction, Manpower and Intellectual Property Rights.
Hangga is member of Indonesian Advocates Organizations (PERADI). Hangga speaks fluently in Bahasa Indonesia and English.