Tevin Vongvanich, the new president and chief executive of PTT Plc, has vowed to make the national oil and gas firm a key player in improving Thailand's competitiveness.
Tevin bemoans low Thai competitiveness Tevin Vongvanich, the new president and chief executive of PTT Plc, has vowed to make the national oil and gas firm a key player in improving Thailand's competitiveness.