Executive Management Ms. Walainut Trivisvavet Managing Director Mr. Phakpoom Thaweewittayarut Deputy Managing Director, Administration Group Mr. Somkiat Pattamamongkolchai Deputy Managing Director, Finance Group Mr. Pipat Katikul Acting Deputy Managing Director, Operation Group Acting Director of Engineering Director of Operations Ms. Sudarat Chiamchan Assistant Managing Director, Office of Managing Director Company Secretary Mr. Hongthong Artit Business Development Director Mr. Chatchawan Tienprasertkij Customer Relationship Management Director Mrs. Busawan Pholprasert Acting Human Resources and Administrative Director Human Resources Development Manager Mr. Prem Liemsakul Acting Director of Accounting and Finance and Account Manager