mathematics Karen Singer-Cohen Posted by Who's Who Site Administrator on January 2, 2019 Most Recent Title: Mathematician, Educator Company: Children’s Tv Workshop Industry: Mathematics Years in Industry: 28 Years affiliated with Marquis Who’s Who: 20 Contact Karen Singer-Cohen: Name(required) Email(required) Website Comment(required) Submit Δ Share this:TwitterFacebookLinkedInLike this:Like Loading...