He played college football for the Notre Dame Fighting Irish and was selected by the Denver Broncos in sixth round of the 2010 NFL draft.
Olsen attended Poly Prep Country Day School in Brooklyn, New York, where he was both an offensive tackle as well as a defensive end.
With the New Orleans Saints heading into the 2011 playoffs, the team signed Olsen off the Redskins' practice squad on January 2, 2012.
He remained with New Orleans for the 2012 season, playing in all 16 games and starting 4 as a blocking tight end.
On April 3, 2014, Olsen signed with the Tennessee Titans, but he was released at the end of training camp.
[9] He was expected to provide additional depth on the line after an injury to Jonathan Goodwin meant that backup center Tim Lelito would be starting.
When his father finally arrived at the World Trade Center site, both towers had already collapsed.