Jack Masters

4th Mayor of Thunder Bay
John Gerald (Jack) Masters
In office 1986 – 1991
Preceded by	Walter Assef
Succeeded by	David Hamilton
MP for Thunder Bay—Nipigon
In office 1980 – 1984
Preceded by	Bob Andras
Succeeded by	Ernie Epp

Born	September 27, 1931 Fort William, Ontario
Political party	Liberal

John Gerald (Jack) Masters (born September 27, 1931 in Fort William, Ontario) is a former Canadian politician. He served as mayor of the city of Thunder Bay, Ontario, and as a federal Member of Parliament.

He was elected to the Canadian House of Commons as a Liberal for the constituency of Thunder Bay—Nipigon in the 1980 federal election, and served as the parliamentary secretary to the Minister of State (Mines) and the Minister of Communications in the final government of Pierre Trudeau. He was defeated in the 1984 federal election by Ernie Epp.

v • d • e Mayors of Thunder Bay, Ontario

Saul Laskin (1970–1972) • Walter Assef (1973–1978) • Dusty Miller (1978–1980) • Walter Assef (1981–1985) • Jack Masters (1986–1991) • David Hamilton (1992–1997) • Ken Boshcoff (1997–2003) • Lynn Peterson (2003–present)

For mayors of Port Arthur and Fort William, see: List of mayors of Thunder Bay, Ontario