• Director, SCL Tax Consultant Company Limited
• Advisor, Mass Rapid Transit Authority of Thailand
• Director and Member of Audit Committee, The Marketing Organization, Ministry of Interior
• Director, Secondary Mortgage Corporation

• Executive Vice President, AIRA Securities Public Company Limited
• First Vice President, Research Office, Dhana Siam Securities Co.,Ltd.
• Director, Research & Information Officer Financial Sector Restructuring Authority
• Head of International Institutions Marketing, Chao Phaya Finance & Securities Co., Ltd.

Mr. Pairoj joined AIRA Group since 2007 and currently holds the position of the CEO at AIRA Securities Public Company Limited. His responsibilities include overseeing existing company activities carried out under licenses granted by the Ministry of Finance and the Securities and Exchange Commission of Thailand as well as initiating new business ventures to meet the long term strategic objectives of the firm.
Prior to joining AIRA Group, he was managing director at Dharmniti and Truth Ltd., which provides financial advisory services in a broad spectrum of fields, including M&A, capital raising, restructuring and tax. He also worked as an financial analyst at a private equity firm, thereby overseeing investments and participate in the deal structuring process.

• Director, Thailand Greenhouse Gas Management Organization (Public Organization)
• Committee, Office of The National Anti-Corruption Commission (ONACC)
• Committee, For Monitoring and Study in Fraud Cases, Stark Corporation Public Company Limited, (The House of Representatives)

• Senior Relationship Manager Bank of ASIA PCL, a member of ABN (at present UOB)
• Assistant Manager KIM-ENG Securities PCL (at present Maybank Securities (Thailand) PCL or MST)
• Senior Account Officer TMB Bank PCL (at present TMB Thanachart Bank PCL or TTB)