sentences:  Borwornsak was replaced by Meechai Ruchuphan as chairman of a new Constitution Drafting Committee.In August 2017, Prime Minister Prayut Chan-o-cha appointed him chairman of the Legal Reform Committee.Being strongly involved in the drafting of the Thai constitutions of 1997 and 2017 as well as the 2006 interim constitution, Borwornsak is considered to be one of the country's most influential constitutional experts.