Played for the Honeybaked 88 Team before joining the Indiana Ice as a 15 year old for the 2004-05 season. Skated just under half the 2005-06 season for the Ice before being traded to the Tri-City Storm. Finished out his USHL career with the Storm for the 2006-07 season.
Llewellyn is noted as an all-round defenseman with offensive upside but his numbers haven't been there. He's got good size and likes to use it. Two-play potential blueliner who can skate and move the puck.
Attends the University of Michigan.