Born in South Africa, Shaun Davies played college rugby at Brigham Young University (BYU) where he won a 2009 National Championship, and was subsequently named "Man of the Match." He again helped BYU a National Championship in 2012 by defeating Arkansas State.

After graduating, Davies played club rugby with Life and made his USA Rugby Men's Eagles debut in a 2013 match against Russia in England's Allianz Park. Davies played for the Ohio Aviators of PRO Rugby North America and now is a player coach for the Life Men's Rugby Club.