John Rachmat brings over three decades of experience in finance, capital markets, and equity research across Southeast Asia and the United Kingdom. He currently serves as Independent Commissioner, contributing his deep expertise in governance, financial oversight, and capital-market strategy.

John began his career in London as a Senior Auditor at Stoy Hayward from 1988 to 1991. Since then, he has built an extensive portfolio in equity research through senior roles at Morgan Grenfell Asia, Schroders Indonesia, Indosuez W.I Carr, ABN AMRO Asia Securities, and RBS Asia Securities in Singapore. His leadership experience includes serving as President Director of Trade Ezy Securities Indonesia and Chief Operating Officer at Finansa Indonesia.

Since 2012, he has been the Head of Equity Research at Mandiri Sekuritas, where he leads regional and domestic research initiatives. John also has long standing experience in corporate governance as an Independent Commissioner and Chairman of the Audit Committee at PT Holcim Indonesia Tbk, a position he has held since 2010.

John holds an MBA from London Business School (1992–1994) and a Bachelor of Science in Economics (First Class Honours) from the London School of Economics and Political Science. He also holds the ACA qualification from the Institute of Chartered Accountants in England and Wales (1993). He completed his International Baccalaureate Diploma at the United World College of South East Asia, Singapore.