Christiani & Nielsen Thai Public Company Limited announced that Somchai Jongsirilerd appointed as managing Director from Chief executive Officer with effect from September 1, 2012, and appointed Surasak Osathanugraha as Assistant to Managing director from Assistant to Chief Executive Officer, effect from September 1, 2012. The company also appointed Mr. Tanapol Poopat as the General Manager with effect from September 1, 2012.