||August 1972 (age 43)
Montreal, Quebec, Canada
||Toronto, Ontario, Canada
||Record executive, record producer, artist, songwriter
||Funtrip, No Records, Work, Sony Music, EMI, Virgin Records, Dreamworks Records
Marc Costanzo (born August 1, 1972) is a record executive, record producer, artist and songwriter from Toronto, Ontario, Canada.
Born in Montreal, he relocated with his family to Toronto in the early 1990s.
He is the lead vocalist and producer of the alternative band Len and wrote the hit single "Steal My Sunshine". He has been both Senior Creative and A&R at EMI Music Publishing and is responsible for signing several multi-platinum acts including Deryck Whibley from Sum 41 who have sold more than 20 million albums worldwide and Junior Sanchez. He has also 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.