Board of Directors

Sakari has 5 Directors; of which 1 is Executive and the remainder are non-Executive.

Cherdchai Boonchoochauy


Mr. Cherdchai Boonchoochauy was appointed to the BOARD of Sakari Resources in November 2021. He holds Bachelor of Science (Chemical Technology), Master of Engineering, and Master of Business Administration, from Chulalongkorn University, Thailand. He joined PTT group in 2012 and has held several senior management positions including Vice President and Executive Vice President in PTT Group. Mr. Cherdchai is also the Director of PTT Energy Resources Company Limited, and Chairman of PTT Global Management Company Limited. He was formerly a Director in PTT Natural Gas Distribution Company Limited.

Sirithammasan Ekachai

Chief Executive Officer

Mr Sirithammasan Ekachai, who was appointed to the Board and the position of Acting CEO in September 2019, has been employed by PTT Group since 1996. He holds a BSc in Electrical Engineering, and a Master of Administration (MBA). Mr Ekachai has been involved in the upstream business of PTT Group for many years, his last appointment being Vice President of PTTPCL Corporate Planning and Budgeting.

Han Eng Juan


Mr Han is a qualified accountant. He is a Director of the Singapore Deposit Insurance Corporation Limited, a member of the Citizenship Committee of Inquiry and Treasurer of the Singapore Red Cross Society. Mr Han has been awarded the Public Administration Medal (Silver) for service in the public sector and the Public Service Medal for community work. In the public sector, Mr Han has held senior positions in the Board of Commissioners of Currency Singapore and the Monetary Authority of Singapore. His last position in the private sector was as Senior Managing Director and Singapore Country Head of Dexia Banque Internationale à Luxembourg.

Thanakorn Poolthavee


Mr Thanakorn holds a B. Eng. in Mining from Chulalongkorn University, Thailand. He has extensive experience in the energy industry in a career that has included his holding the position of Deputy Governor, Fuel for The Electricity Generating Authority of Thailand (EGAT). He was formerly a Director of EGAT International CO. Ltd and Ratchaburi Electricity Generating Holding PLC. Mr Thanakorn was appointed to Sakari’s Board in May 2014.

Sujirat Thientawach


Mrs. Sujirat hold Bachelor of Engineering (Chemical Engineering) from Chulalongkorn University, Thailand, and a Master of Business Administration from University of California, USA. She has extensive experience in both upstream and downstream business in PTT group including Team Leader in Downstream Business Group Planning, Upstream Value Chain Optimization Division. Division Manager, and Vice President in Upstream Value Chain Optimization Division, and Executive Vice President in Upstream and Gas Business Group Planning. Mrs. Sujirat was appointed to Sakari Resources Limited’s Board in November 2021.