Past Positions in Civil Service
- Permanent Secretary, Ministry of Finance
- Director-General, The Revenue Department
- Director-General, The Excise Department
- Comptroller-General, The Comptroller General's Department
- Deputy Permanent Secretary, Office of the Permanent Secretary for Finance
- Deputy Director-General, The Revenue Department
- Deputy Director-General, The Fiscal Policy Office
- Director, Tax Policy Division, The Fiscal Policy Office
- Assistant Secretary to the Minister of Finance
- Junior Economist, The Fiscal Policy Office
Other Past Positions
- Chairman, The Krung Thai Bank Public Company Limited
- Chairman, New Bangkok International Airport Company Limited
- Chairman, Property Loan Management Organization
- Director, Thai Airways International Co.,Ltd.
- Civil Service Sub-Commission on Welfare and Compensation
- Director, Thai Oil Co.,Ltd.
- Director, Bangkok Intercontinental Hotels Co.,Ltd.
- Director, Thiphya Insurance Co.,Ltd.
- Director, Thai Maritime Navigation Co.,Ltd.
- Director, (Founder) United Thai Shipping Co.,Ltd.
- Member, Wage Board
- Member, Natural Gas Price Negotiating Committee
- Chairman, Value Added Tax Computerization Committee
- Director, Public Warehouse Organization
- Chairman, (Founder) National Fertilizer Corporation
- Duputy Chairman, Rock Salt & Soda-Ash Holding Co.,Ltd.
- Director, Asean Soda Ash Co.,Ltd.
- Director, Provincial Electricity Authority
- Director, The Industrial Estate Authority of Thailand
- Director, Laem Thong Bank Ltd.
- Vice Chairman & Chairman of Executive Board, Thiphya Insurance Co.,Ltd.
- Director, PTT Exploration and Production Co.,Ltd.
- Director, The Metropolitan Electricity Authority
- Chairman, NEP Reality and Industry Co.,Ltd.
- Director, Petroleum Authority of Thailand
- Director, Finacial Institutes Development Fund
- Member, Stock Exchange of Thailand Advisory Committee
- Civil Service Commissioner
- Chairman, Civil Service Sub-Commission on Civil Servants Recruitment and Education
- Chairman, Bangkok Mass Transit Authority
- Director, Thai LNG Co.,Ltd.
- University Civil Service Committee
- Civil Service Sub-Commission on Civil Service System
- Member, Cabinet-Approved Honorary Mahidol University
- Director, Thai Olefins Co., Ltd. (TOC)
- Director, National Petrochemical Co.,Ltd. (NPC)
- Chairman, The Government Housing Bank
- Chairman, Thailand Tobacco Monopoly
- Director, Phoenix Pulp & Paper Co.,Ltd.
- Director, The Siam Commercial Bank, Ltd.
- Chairman, The Bangchak Petroleum Public Company Limited