The son of Argentine and Chilean immigrants, Antonio was born and raised in Stamford, Connecticut.
He graduated from Middlebury College with a degree in International Studies.
He then served a two-year mission for the Church of Jesus Christ of Latter-day Saints in Toronto, Ontario, Canada where he worked with Hispanic communities.
[1] In 2002, Macia wrote and co-starred in his first feature film, Anne B.
[2] Macia wrote the screenplay for the 2010 film Holy Rollers.