entertainment William Riker Posted by Who's Who Site Administrator on May 3, 2018September 16, 2019 Most Recent Title: Performing Arts Center Executive & Event Planner Company: Soc. Telecom. Engrs. Industry: Entertainment Years in Industry: 47 Years affiliated with Marquis Who’s Who: 29 Contact William Riker: Name(required) Email(required) Website Comment(required) Submit Share this:TwitterFacebookLinkedInLike this:Like Loading...