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Zack O'Malley Greenburg is senior editor of media & entertainment at Forbes and author of books 3 Kings: Diddy, Dr. Dre, Jay-Z and Hip-Hop's Multibillion-Dollar Rise (Little, Brown, 2018); Michael Jackson, Inc. (Atria, 2014); and Jay-Z biography Empire State of Mind (Portfolio, 2011). His next, A-List Angels: How A Band Of Actors, Athletes And Artists Hacked Silicon Valley—will be published by Little, Brown in 2020. Zack’s writing has also appeared in the New York Times, Washington Post, Billboard, Vibe, Sports Illustrated, McSweeney's and the Library of Congress; he's been a source for BBC, NPR, MTV and 60 Minutes, and a speaker at SXSW, CES, TEDx, Princeton and Harvard.

A former 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. He has since penned Forbes covers on Ashton Kutcher, Katy Perry, Richard Branson, Kanye West, A-Rod 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 expanding existing ones such as the Celebrity 100, creating new properties beyond editorial like the Under 30 Music Festival. Zack lives in New York with his wife and cats.