Robert Alan Ezrin (born March 25, 1949) is a Canadian music producer and keyboardist, best known for his work with Lou Reed, Alice Cooper, Aerosmith, Kiss, Pink Floyd, Deep Purple, Peter Gabriel, Andrea Bocelli and Phish.

As of 2010, Ezrin's career in music had spanned six decades and his production work continued into the 21st century, with acts such as Deftones and Thirty Seconds to Mars.

[7][8][9] Ezrin has worked on recordings with numerous major artists, including Pink Floyd, Phish, Alice Cooper, KISS, Balloonatic, Deep Purple, Lou Reed, The Kings, Hanoi Rocks, Taylor Swift, Peter Gabriel, Bonham, K'naan, 2Cellos, Kristin Chenoweth, Rod Stewart, Nine Inch Nails, The Jayhawks, Thirty Seconds to Mars, The Darkness, Jane's Addiction, Dr. John, Nils Lofgren, Berlin, Kansas, Julian Lennon, Joe Bonamassa and Deftones, among many others.

[14] As explained by Peter Criss during an interview in the documentary KISS: Krazy Killer (1994), Ezrin co-wrote, arranged and performed the piano accompaniment to the song "Beth".

[16] Ezrin has worked with Pink Floyd on a number of occasions, co-producing the albums The Wall, A Momentary Lapse of Reason, and The Division Bell.

More than 50 guest artists, including Bruce Springsteen, Dave Matthews, John Mellencamp, Ben Harper, Joan Baez, Tom Morello, Ani DiFranco, Emmylou Harris, and Kris Kristofferson, performed at the event.

[27] In 1993, Ezrin co-founded a computer software company called 7th Level,[28] which developed and published educational and entertainment CD-ROMs, including a series of Monty Python games.

[33] Ezrin stated that his goal was to provide new engineers and producers with the hands-on teaching experience that he believed was no longer available from traditional recording studios.

Fifty Canadian artists recorded a rendition of hip hop star K'naan's "Wavin' Flag" for the victims of the Haiti quake.

[38] K'naan explained in regard to the initiation of the project: "I got a call from Randy [Lennox, president] at Universal [Music Canada] and Bob Ezrin.

"[37] Ezrin is a Chairman Emeritus of the Los Angeles Mentoring Partnership and a past Trustee and Governor of the National Academy of Recording Arts and Sciences (NARAS).

[43] Ezrin has created new theatrical, television, and live events with RadicalMedia, based in New York, including Jay-Z's feature film, Fade to Black.

[44] In 2012, Ezrin appeared in Artifact, a documentary film about the modern music business focused on the legal battle between Thirty Seconds to Mars and record label EMI.