He was also Mayor of the Meander Valley Council from 1997 to 2002. Hall has supported some of state Labor"s initiatives in the upper house, such as the Meander dam project and the Betfair proposal. Hall voted against the governments Sex regulation Acting and supported later legislation to ban brothels in Tasmania.
He stood for re-election again for the 6 May 2006 Rowallan division election, winning with a primary vote of 81.95% against a sole Tasmanian Greens opponent.
Greg Hall is a Vietnam war veteran. He served as a Trooper with BSquadron, 3 Cav from 28 August 1969 to 4 June 1970.
He became a member of the Legislative Council at the 2001 Rowallan elections, defeating Russel Anderson (independent. Supported by the Liberals). He was one of only two independent members of the Council to support the 2003 Relationships Acting which gave same-sex unions and other relationships recognition in Tasmania.