Managing Executive Diamond is one of Wasserman’s most senior execs, with a client roster to prove it. Diamond handles such high-end names as Ed Sheeran, Coldplay, Lorde and Louis Tomlinson, as well as rising stars like Wet Leg and RAYE. Diamond founded his boutique agency, Little Big Man Booking, in 1994, following stints at Arista, PolyGram and Bill Graham Management and a run as talent buyer at The Ritz in NYC.

What’s the best piece of advice you’ve ever received?

“Paths that cross will cross again.” —Patti Smith