I Nyoman Mastra is a retired navy with the last rank as Rear Admiral and last position as Aslog Kasal. After his retirement in 1998, he began serving in PT AKR Corporindo Tbk as a member of the Board of Commissioners. Since 2011, he has been concurrently serving as Independent Commissioner and Chairman of Audit Committee.
Sahat Pardede graduated from Sekolah Tinggi Akuntansi Negara (STAN) and holds an MBA degree from Saint Mary’s University, Canada in 1993. As a certified Practicing Accountant, he commenced his career as an auditor at the Board of Supervisors Finance and Development (BPKP) (1983-2000) and has been a partner of independent accounting practice KAP Ghazali, Sahat & Partners since 2001. In addition to his public accountancy practice, he has some experiences of being audit committee and expert staff in both government and publicly listed companies including BNI, Ministry of State Owned Enterprises, and PT Telekomunikasi Indonesia. He is currently a member of audit committee at PT Semen Indonesia (Persero) Tbk.
Edwin Gerungan earned his bachelor degree in Philosophy from Principia College, Elsah, Illinois, USA. He started his career at Citibank in 1972 and left his last position at the company as Vice President. He is currently serving as Independent Commissioner at Indonesia Infrastructure Finance and Non-Executive Director at Maybank Group.