Science John Heckel Posted by Who's Who Site Administrator on June 15, 2018September 16, 2019 Most Recent Title: Aerospace Management President And Coo Company: GenCorp. Industry: Science Years in Industry: 62 Years affiliated with Marquis Who’s Who: 27 Contact John Heckel: Name(required) Email(required) Website Comment(required) Submit Δ Share this:TwitterFacebookLinkedInLike this:Like Loading...