Glenister Fermoy Sheil CMG (21 October 1929 – 29 September 2008[2]) was an Australian politician, representing the National Party in the Senate for the state of Queensland from 1974 to 1981, and again from 1984–90.

His father was a civil engineer who worked in several states and was appointed general manager of Queensland's Mount Morgan Mine in 1950.

He was then sworn into the Federal Executive Council, the body that formally advises the Governor-General on governmental matters.

The next morning a story appeared in the Melbourne Sun News Pictorial where Sheil professed his support for apartheid.

the story, based on an interview with journalist Niki Savva, also quoted Sheil saying he would support apartheid in Australia.

Cowen was required by convention to act on the Prime Minister's advice, and the termination occurred at midday on 21 December.

[3] Active in tennis, rugby and cricket in Queensland, he was known as "Thumpa", a nickname from a rabbit-farming company he part-owned.