Age 61, Indonesian citizen, he was appointed as a member of the Audit, Risk and Compliance Committee since 2018. He has also served as an Independent Commissioner at PT Petrosea Tbk. (since 2018). Previously he was a partner at the Public Accounting Firm Osman, Bing & Eny (2006-2016), where he led the audit business of Deloitte Indonesia. He began his career as an auditor in 1986 at a local Public Accounting Firm (Kantor Akuntan Publik-KAP) which in 1990 became part of Deloitte Indonesia.

He is a trustee and member of accountancy professional associations and has also served as Sector Head and Head of the Capital Market Accountant Forum, Indonesian Public Accountant Association (IAPI). He is also a trustee and member of the Indonesian Accountant Association (IAI) and member of the Board of Financial Accounting Standards.

He graduated from the Faculty of Economics at the University of Sumatra Utara majoring Accounting in 1986. Bapak Osman has no affiliations with any members of the Board of Directors, Board of Commissioners, nor controlling or principal shareholders.