Red Light Green Light: Independent manager and former GreenRoom PR owner Mary Hilliard Harrington has joined Red Light Management in a senior management role. Stephanie Johnson, Heather Young and Kevin Grace, who worked alongside Harrington in her previous management duties, join her at Red Light, along with William Morris Endeavor Asst. Taylor Lee. Johnson and Lee will handle day-to-day for Harrington's roster of artists – Dierks Bentley, Tucker Beathard and Aubrie Sellers. Grace will serve as Mgr./Digital & Content and Young as Dir./Radio Promotion. Reach Harrington here, Johnson here, Young here, Grace here and Lee here.