Music runs deep in DJ Antomattei's family, especially in Latin music. Marc Antomattei is the nephew of Agustin "Augie" Antomattei, an exceptional salsa trumpeter who has performed with greats such as Eddie Palmieri, Bobby Valentin, Cano Extremera, Jose Alberto, Pellin Rodrguez, and the Puerto Rico All Stars (a legendary salsa jazz band that was the Puerto Rico alternative to the acclaimed New York based Fania All Stars). He is also a nephew of Victor "Cano" Gonzalez, another salsa trumpter who has been performing with the world famous El Gran Combo de Puerto Rico since 1980. His grandfather's brother Candido Antomattei, was one of two main vocalist in Arsenio Rodrguez's conjunto, a band that was part of the roots in the establishment of latin music genres such as mambo and salsa. Lastly he has another uncle, Agustin Caraballoso who also performed in Arsenio's conjunto with Candido.

In 2006 DJ Antomattei befriended Mark Dwayne, a singer and magazine owner from Birmingham, England. The West Midlands based magazine “Street Cred”, is the UK’s number 1 entertainment and lifestyle magazine in which Antomattei was an occasional contributing writer for. In July 2008, Dwayne gave Antomattei the news that he was booked in the UK’s second city of Birmingham to play an event on Boxing Day December 26, 2008. The Street Cred sponsored event “Funkaliscious” at club Barracuda is the West Midlands biggest monthly residency party. After appearing on the Street Cred Live radio show on Aston 89.1 FM, and doing a successful Funkaliscious event; Antomattei was finally asked in early January 2009 to become a full time staff member, writer, and designer for the Street Cred label.

On the day of President Barack Obama’s inauguration of January 20, 2009, Antomattei launches Street Cred Japan. This online edition of the magazine associated with Street Cred themed events is targeted specifically towards people residing in the Japan region of the world and the greater Tokyo area.

Aside from DJing Marc Antomattei is also a promoter, model, fashionista, graphic designer, and writer.