John Melillo of Diversified Media Group Leads Successful Session at GlobalShop. Diversified Media Group reports that its recent involvement at GlobalShop in Chicago was successful on several levels. According to John Melillo--- DMG’s president and session leader at the show for “Digital Signage Project Management: >From Pilot to General Roll-Out” --- “We feel that the session was a win-win situation for all involved. Not only did the audience receive insight on current trends from industry experts, but our company had an opportunity, in an ideal setting, to explain the unique services DMG can offer its customers.”