Myman Greenspan Fineman Fox Rosenberg & Light
Twitter: @adresq 
POWER MOVE: Already the go-to lawyer for the young set, PSY performed at his wedding.
THE RUNDOWN: This 35-year-old lawyer in Los Angeles has juice. So much juice, in fact, that his wedding last year not only took place on the Paramount Studios lot but also managed to feature a surprise performance by PSY.
Aaron Rosenberg’s client roster would be impressive for any attorney, let alone one under 40 -- Jennifer Lopez, Justin Bieber, Jessica Simpson, John Legend, Ciara, Brandy and Diane Warren, to name a few. Some choose him over more experienced attorneys because they want to be more connected with a younger generation, Rosenberg modestly acknowledges. For others, it may be his Ivy League schooling -- he has an undergrad degree in government and a law degree from Harvard. Mostly, he feels it’s because he makes himself available 24/7 to his clients.
Rosenberg’s powerful mentors include Strauss Zelnick, who gave him an internship at BMG Entertainment, and Steve Gawley, executive VP of business and legal affairs at Universal Music Group. The two provided Rosenberg with a glimpse of what it was really like to be a music attorney. “I saw that you could play an integral role in an entertainer’s career, as opposed to being sidelined as a mere scrivener,” Rosenberg says while flying from a Lopez movie premiere in Las Vegas to the close of Bieber’s North American tour in Miami.
But forget glittery pop stars like Bieber and Lopez. What was it like to work with Death Grips, the California hip-hop noise act known for leaking its Epic Records album months prior to the official release, and then posting an outraged memo from a label executive on Facebook? “You sign up hoping there will never be a dull moment,” Rosenberg says with a chuckle. “And this industry doesn’t disappoint.”