 In 1969 Gibbon joined the executive of the Alberta Urban Municipalities Association, serving as Vice President from 1973 to 1974.Following his defeat, he served on the Board of Directors of the St. Albert Chamber of Commerce for ten years, and served as its President in 1983.In 1977, he announced his intention to challenge incumbent MLA Ernie Jamison for the provincial Progressive Conservative nomination in the 1979 general election, but was unsuccessful.