Retired Joseph Koepfinger Posted by Who's Who Site Administrator on April 4, 2019 Most Recent Title: Retired Utilities Executive Company: Duquesne Light Co. Industry: Retired Years in Industry: 25 Years affiliated with Marquis Who’s Who: 34 Contact Joseph Koepfinger: Name(required) Email(required) Website Comment(required) Submit Δ Share this:TwitterFacebookLinkedInLike this:Like Loading...