Prior to establishing a Tax Consultant in 2015, Ridoan served in the Directorate General of Taxes for 15 years, from 2000-2015. Ridoan holds an associate degree (D-III) from the State College of Accountancy (STAN) which he attended in 1997-2000, he went on to earn his bachelor’s degree at Mercu Buana University and Master’s degree in Fiscal Administration Policies (Magister Kebijakan Administrasi Fiskal) at the University of Indonesia. He later completed Accounting Professional Education (Pendidikan Profesi Akuntan) at Trisakti University in 2013-2014.