Leadership Team

A passionate, unified and committed team of experienced and innovative professionals focused on achieving outstanding results for our stakeholders.

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.

Mike Koay

Chief Financial Officer

Mr. Mike Koay joined Sakari Resources Limited in 2008. As CFO of Sakari, he oversees the group overall financial activities, including controllership, tax, treasury, analysis, internal audit and financial operations. He is also a member of the group Management Committee, Credit Control Management Committee, Human Resource Management Committee, Tender Committee and board members of numerous subsidiaries in Indonesia. Prior to becoming Sakari Group CFO in 2016, he served as the group head of Commercial (Mining Operation) from 2011 to 2015 and Commercial Manager of Jembayan Coal Mine from 2008 to 2010. He has over 10 years of experience in the coal industry and over 25 years multiple leadership roles in the Manufacturing, Marketing and Business Development in both domestic and International environments. Mike is a Certified Public Accountant, Chartered Accountant and holds an MBA (UK) majoring in Business Planning & Strategy.

Surachai Sukhahuta

Director of Operation

Mr. Surachai Sukhahuta joined Sakari Resources Limited in 2016. As Director of Operation, he oversees the group overall Mining Operation activities, including Mine Planning, Mine Operation, Coal Processing, Shipping (logistic), Mining Permit compliances and Contractor Management. He is also a member of the group Management Committee, Credit Control Management Committee, Human Resource Management Committee, Tender Committee and board members of numerous subsidiaries in Indonesia. Prior to becoming Sakari Group DOO, he served as Sakari group Director of Technical from 2016 to 2018. He has over 8 years of experience in the coal and energy resource sector in Indonesia and over 30 years of technical and management executive leadership roles in the oil and gas industry across Thailand and Southeast Asia regions. In addition to his executive roles, Mr. Surachai is also actively engaged in Corporate Social Responsibilities in Indonesia. Mr. Surachai he holds a Petroleum Technology Degree from Coastal Bend College, Texas.