Paradigm Talent Agency has named Marty Diamond the Head of Global Music, leading the agency’s representation artists worldwide, the company announced today. His personal client roster includes Ed Sheeran, Coldplay, Janelle Monáe, Sigur Rós, Sara Bareilles, Liam Gallagher, Sia, Lorde, Alessia Cara, Bastille, Snow Patrol, Jess Glynne and Vance Joy....