Los Angeles, CA, USA: Is retired from acting and directing his own photography company "A. O'Brien Photography".
Attending Azusa Pacific University. Majoring in Music.
Austin and his wife Kristin welcomed a son named Declan Rhys, born at 8:09am on November 15, 2013. The baby weighed 7lbs 10oz and was 21.5 inches long.
As a kid he appeared in commercials for "Circuit City" in which he gets money back for a Walkman he purchased and it went on sale a week later and he says to the cashier: "Cool".
Brother of Trever O'Brien