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Zack O'Malley Greenburg is senior editor of media & entertainment at Forbes and author of three books: 3 Kings: Diddy, Dr. Dre, Jay-Z and Hip-Hop's Multibillion-Dollar Rise (Little, Brown, 2018); Michael Jackson, Inc. (Atria, 2014); and the Jay-Z biography Empire State of Mind (Portfolio, 2011). His writing has also appeared in the New York Times, Washington Post, Billboard, Vibe, Sports Illustrated and McSweeney's; he's served as a source for BBC, NPR, MTV and 60 Minutes, and as a speaker at SXSW, CES, TEDx, Princeton and Harvard.

A recovering child actor, Zack played the title role in Lorenzo's Oil (1992) before graduating from Yale in 2007 with a degree in American Studies and a concentration in Urban Studies. Over the past decade at Forbes, he has penned cover stories on Ashton Kutcher, Katy Perry, Richard Branson, Kendrick Lamar and others; he also broke the news of the Wu-Tang Clan's secret album. He pioneered Forbes franchises including Hip-Hop Cash Kings and the 30 Under 30 Music list while driving the development of the Under 30 Music Festival.

Zack lives in New York with his wife and cats; his next book, The Fame Squad—an exploration of the intersection between entertainers and startups—will be published by Little, Brown.