Born in Sydney, N.S. in 1900, Eric Stephen Huestis came with his family to Edmonton in 1903 where his father, Reverend Charles Huestis, was the pastor at McDougall Methodist Church.
After attending Mackay Avenue School and King Edward High School, he attended the University of Alberta, graduating with a degree in forestry. He worked for the Government of Alberta as a forest ranger and timber inspector before being appointed Fish and Game Commissioner in 1941 and Director of Forestry in 1949. He became Deputy Minister of the Department of Lands and Forests in 1963, serving until his retirement in 1966.
In retirement, he worked with Meals on Wheels and the Elves Memorial Child Development Centre. He also developed the Alberta Atlas with the Geography Department of the University of Alberta.
He married Ivy Ramsey (1899-1976) in 1927, and together they had two children, Jessie Marilyn and Donna.
Mount Huestis in Banff National Park was named in his honor in 1968. He received the Alberta Achievement Award in 1982. A demonstration forest near Whitecourt was also named after him in 1988. He died in Edmonton in 1988.