Ray Sheldon brings 40 years of experience to the company’s global engineering business. CDI Corp. (NYSE:CDI) has announced that Ray Sheldon has joined its Global Engineering and Technology Solutions (GETS) unit as Vice President of Naval Architecture and Systems Engineering. Mr. Sheldon will lead CDI's greater Washington, DC, area operations, which provide advanced technology consulting and solutions to the United States Navy, US Coast Guard, and other defense and commercial clients. Mr.