Principal Communications Group has hired former NBC Universal Corporate Communications and Media Relations VP Joe Libonati to become Managing Director of PCG’s East Coast headquarters. He’ll be based in the New York office and will report to PCG managing partners Paul Pflug and Melissa Zukerman. Libonati, who started this week, will advise the firm’s corporate digital and traditional PCG clients, and the company said they will specifically tap his corporate messaging, social media, digital and TV expertise to expand the Gotham outpost.