He was a Progressive Conservative member of the Legislative Assembly of Ontario from 1995 to 2003 and briefly served as a cabinet minister under Mike Harris.
Stewart was educated at Banting Institute, receiving a Mortician Certificate, and worked for a time at Comstock Funeral Home in Peterborough.
In 1974, he became president of G. Stewart Travel Services in Peterborough, which he continued to operate throughout his political career.
[4] In 2003, Stewart recommended that provincial governments stop enforcing the federal gun registry.
[5] Gary’s son Scott Stewart lost to Leal in the general election of 2014.