Robert Alan "Bob" Ezrin (born March 25, 1949) is a Canadian music producer and keyboardist, best known for his work with Lou Reed, Alice Cooper, Kiss, Pink Floyd, Peter Gabriel, and Phish. As of 2010, Ezrin's career in music had spanned four decades and his production work continued into the 21st century, with acts such as Deftones and Thirty Seconds to Mars. After co-founding interactive media company, 7th Level, in 1993, Ezrin has branched out into philanthropy and activism, with music also introduced into this realm of his life, underpinning projects such as Music Rising and Young Artists for Haiti. Ezrin is also involved in education, co-founding the Nimbus School of Recording Arts in 2009.