sentences:  During and after the Asian financial crisis, he was the President of the Board of Directors of Siam Cement — which is one of the biggest corporations of Thailand — from 1998 to 1999, and of Siam Commercial Bank — the country's second largest bank — from 1998 to 2007.Since 2007 he has again led the Board of Directors of Siam Cement.Moreover, he has been Chancellor of the Council of NIDA since 1998.