Dr. Thosaporn Sirisumphand is a Chairman at PTT Public Co., Ltd., a Council Member at Chulalongkorn University Council and a Council Member of Royal Thai Police. He is on the Board of Directors at Thailand Management Association. Dr. Sirisumphand was previously employed as a Chairman by Thai Oil Public Co. Ltd. and an Independent Director by CAT Telecom Public Co. Ltd. He also served on the board at The Siam Commercial Bank Public Co. Ltd. He received his undergraduate degree from the University of Chulalongkorn, a graduate degree from Northern Illinois University and a doctorate degree from Northern Illinois University.