From 1942-45 he served in the Royal Canadian Navy Volunteer Reserve and retired with the rank of Lieutenant Commander.
In addition to his family business, Pinder's Drugs, he held a number of directorships with prominent Canadian corporations.
He was elected to the Saskatchewan Legislature in 1964 and was appointed Minister of Industry and Commerce.
Pinder also served as a member of the Executive Committee of the Montreal World Exposition known as Expo 67 and spent one term as chair of the Saskatchewan Power Corporation.
He was a member of the university’s Board of Governors from 1958 to 1964, and was its chair from 1961 to 1963. He was awarded a Doctor of Laws by the U of S in 1997.