Born in Los Angeles, Vega was office manager for Seventh Dimension, Inc., the production company of Mexican film director Alfonso Arau (Like Water for Chocolate, A Walk in the Clouds). While at Seventh Dimension, Vega co-produced the short film Mi Abuela, which screened in various film festivals around the country. He also began production on the experimental/computer animation Rhythm of Life: Los Angeles. Rhythm marks the beginning of his continuing creative collaboration with writer/director Daniel Thomas Pereira.

Throughout the years, Vega has been in freelance production positions ranging from production assistant, 2nd assistant director and production manager, he has also worked with a film rep during the American Film Market. From 1998 Through May 2003, Vega was an Associate Producer at Milagro Films, Inc. an award winning, Los Angeles-based commercial production company specializing in the Spanish language market.