Gray Scales: Blue Chair Bay Rum Mgr./Tour Activation Mark Gray has joined Columbia as Dir./Southeast Promotion as Lauren Longbine shifts to the Midwest. She takes over for Bo Martinovich, who was named Dir./Artist Development earlier this year (CAT 5/15). Prior to BCB, Gray worked in management, at Republic/Nashville and at WKKT/Charlotte. "I'm looking forward to working with the hottest label in Nashville," he says. Congratulate him here.