Complex sentence: He served as the rector in University of Dental Medicine, Yangon from 1997 to 2003; he was also the president of the Myanmar Dental Council (MDC) from January, 2012 to January, 2016.
Split into simpler sentences: He served as the rector in University of Dental Medicine, Yangon from 1997 to 2003. He was also the president of the Myanmar Dental Council (MDC) from January, 2012 to January, 2016.