Santisak graduated with a bachelor's degree in chemical engineering from Kasetsart University. He also obtained an Executive MBA from Sasin School of Management, Chulalongkorn University. He first joined Chevron Group as a Production Engineer in 1993. Santisak has over 30 years of experience in the oil industry working in various cross -functional roles in both international and regional assignments. His roles and responsibilities have extended and spanned over several markets in Asia Pacific region. Prior to his promotion to assume the position of Country Chairman and General Manager, he served Chevron (Thailand) Limited in the capacity of B2B Fuels and Lubricants Manager.