Career
Ruste briefly served as a cabinet minister in the governments of Premier Ernest Manning and Harry Strom from 1965 to 1971. Ruste ran for a seat to the Alberta Legislature in the 1955 Alberta general election. He stood as the Social Cr candidate in the electoral district of Wainwright.
In that election he defeated three other candidates with a landslide margin of victory.
Ruste ran for a third term in office in the 1963 general election. He improved his margin of victory from the last election winning another landslide.
Premier Ernest Manning would appoint Ruste to the Executive Council of Alberta for the first time on February 16, 1965 as the new Minister of Lands and Forests. Ruste would run for a fourth term in the 1967 general election this time with ministerial advantage.
On July 16, 1968 Premier Harry Strom would move Ruste to the Agriculture portfolio.
He would briefly become Minister of Lands and Mines for the second time on December 12, 1968 and hold both portfolios until May 20, 1969. Ruste would for a fifth term in office in the 1971 Alberta general election. Ruste would serve his final term in the official opposition before retiring from the legislature at dissolution in 1975.
