The NRC will approve the new constitution and will plan how to reform various issues seen as holding back the country.
Among the members are three leading academics, Bowornsak Uwanno, Chai-Anan Samudavanija and Thienchai Kiranan.
The NRC also includes several former senators, including Rosana Tositrakul, Chirmsak Pinthong and Direk Thuenfung.
Some former MPs were also appointed, such as former MP Chai Chidchob and Alongkorn Pollabutr.
Several former military officers were appointed to the NRC, including Gen Thawatchai Samutsakhon, and Adm Pajun Tamprateep.
The list also includes several persons known to be opposed to former prime minister Thaksin Shinawatra. They include Khamnoon Sitthisamarn and Sombat Thamrongthanyawong.