Edwin, Partner, got his Bachelor of Science in Accounting from University of North Sumatera in 1985, Medan. Prior joining to Purbalauddin & Rekan in 1995, he was an Auditor at Juswar Darwis & Co., Registered Public Accountants and had his own firm in 1992. Edwin is a member of The Indonesian Institute of Accountants/IAI and Indonesian Institute of Certified Public Accountants/IAPI.