Johnny Marines is of Dominican descent and grew up in the Lower East Side of New York City.

[1][2] Johnny Marines first met Romeo Santos, lead singer/songwriter and co-producer of Aventura, in 2002 and initially performed security functions for the group.

Santos conducted multiple tours throughout this period and played venues including Madison Square Garden and Yankee Stadium.

From June 2016 until July 2017, Johnny was the President of Roc Nation Latin, a newly formed division within the company.

In conjunction with Aventura and Romeo Santos, Marines co-funded toy drives in New York and the Dominican Republic and donated turkeys to low-income families during the holidays.