Marc Costanzo

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Marc Costanzo
Born (1972-08-01) August 1, 1972 (age 46)
Montreal, Quebec, Canada
Origin Toronto, Ontario, Canada
  • Record producer
  • artist
  • musician
  • songwriter
Instruments Vocals, guitar
Years active 1991–present
Associated acts Sum 41, Len

Marc Costanzo (born August 1, 1972) is a record producer, artist, musician and songwriter from Toronto, Ontario, Canada.

Early life[edit]

Born in Montreal to parents from Italy, he relocated with his family to Toronto in the early 1990s.


Costanzo is the lead vocalist of the alternative rock band Len, of which his older sister Sharon is also a member.[1] He has written several hit singles, including Len's international hit "Steal My Sunshine".[2] He has been both Senior Creative and A&R at EMI Music Publishing, and is responsible for signing many multi-platinum acts and writers, including Deryck Whibley from Sum 41[3] and Junior Sanchez. He has won several awards, including three MMVA awards as a Music video director, two as an artist, a Billboard Music Award, and several ASCAP awards as a songwriter.


  1. ^ Huey, Steve. "LEN". Allmusic. Retrieved 29 August 2011.
  2. ^ Whitburn, Joel (2010). The Billboard Book of Top 40 Hits, 9th Edition: Complete Chart Information about America's Most Popular Songs and Artists, 1955-2009. Random House Digital, Inc. p. 376. ISBN 978-0-8230-8554-5. Retrieved 29 August 2011.
  3. ^ LeBlanc, Larry (29 January 2000). "EMI Publishing Canada shines on". Billboard. p. 66. Retrieved 29 August 2011.