Higher Education John Tiemstra Posted by Who's Who Site Administrator on October 3, 2018 Most Recent Title: Economics Professor Company: Calvin Coll. Industry: Higher Education Years in Industry: 43 Years affiliated with Marquis Who’s Who: 26 Contact John Tiemstra: Name(required) Email(required) Website Comment(required) Submit Δ Share this:TwitterFacebookLinkedInLike this:Like Loading...