▁not ▁complete ▁the ▁dis sert ation , ▁as ▁he ▁chose ▁to ▁return ▁to ▁Th ailand ▁to ▁become ▁a ▁Member ▁of ▁Parliament . ▁ ▁Polit ics ▁ ▁Ch atur on ▁was ▁a ▁Member ▁of ▁Parliament ▁from ▁Ch ach o eng sa o ▁from ▁ 1 9 8 6 ▁until ▁the ▁ 2 0 0 6 ▁Th ai ▁coup ▁d ' état . ▁His ▁entry ▁into ▁official ▁Th ai ▁politics ▁was ▁planned ▁and ▁supported ▁by ▁his ▁father . ▁He ▁played ▁down ▁his ▁past ▁as ▁a ▁left ist ▁student ▁activ ist , ▁and ▁instead ▁presented ▁himself ▁as ▁a ▁US - ed uc ated , ▁new - gener ation ▁politician ▁and ▁son ▁of ▁an ▁established ▁MP . ▁Initial ly ▁affili ated ▁with ▁the ▁Dem ocrat ▁Party , ▁he ▁served ▁as ▁assistant ▁secretary ▁to ▁the ▁deput y ▁minister ▁of ▁fin ance ▁from ▁ 1 9 8 6 ▁to ▁ 1 9 8 9 . ▁He ▁then ▁defect ed ▁to ▁the ▁minor ▁People ' s ▁Party ▁( Ph ak ▁Pra ch ach on ), ▁just ▁to ▁join ▁the ▁Th ai ▁Nation ▁Party ▁( Chart ▁Th ai ) ▁little ▁later ▁on ▁inv itation ▁by ▁Kra is ak ▁Ch oon hav an , ▁another ▁former ▁left ist ▁student ▁activ ist ▁and ▁son ▁of ▁Prime ▁Minister ▁Ch at ich ai ▁Ch oon hav an . ▁In ▁the ▁Ch at ich ai ▁administration , ▁Ch atur on ▁was ▁made ▁secretary ▁to ▁the ▁Minister ▁of ▁Com merce . ▁ ▁In ▁ 1 9 9 2 ▁Ch atur on ▁again ▁switched ▁parties ▁and ▁joined ▁the