Sudin, Partner, received his under graduate majoring in accountancy from University of North Sumatera, Medan in 1994. Prior joining to Purbalauddin & Rekan, Desman worked as an auditor at Badan Pengawasan. Keuangan dan Pembangunan. After retired  he joined and appointed as an audit partner at   During his professional career, Sudin has already experienced audited kinds of industries such as wood based & forestry, real estate & property management, steel construction, shipping, manufacturing and oil & gas. Being professional, Sudin always keeps his knowledge updated by attending seminars held by The Indonesian Institute of Accountants regularly. Sudinn is a member of The Indonesian Institute of Accountants/IAI, Indonesian Institute of Certified Public Accountants/IAPI and Capital Market Supervisory Agency Forum/FAPM.