Leading Thailand’s PTT throughout a dramatic period of growth for the group has called for a visionary leader with a special set of skills. Seen as something of an expert at managing and prioritising his time, 58 year old Prasert Bunsumpun today heads what has become the country’s largest energy group and a major regional and international player. Now towards the end of his second term at the helm, Prasert has set high standards for his successor with a style marked by an in-depth knowledge of his industry and a widely acclaimed ability to balance social demands and commerce.