He grew up in Kahuku, Hawaii, on the north shore of Oahu, and attended Kahuku High School.
He was signed by the Ravens as an undrafted free agent in 2002. He played college football for the University of Utah Utes. Kemoeatu has also played for the Carolina Panthers and Washington Redskins.
He is the older brother of former NFL offensive lineman Chris Kemoeatu. When he was a child his family moved to the U.S. state of Hawaii. Kemoeatu was a four-year letterman and three-year starter at Utah.
He started 35 of 43 games played in college, finishing his career with 160 tackles and nine sacks. Baltimore Ravens
Kemoeatu played four seasons with the Baltimore Ravens from 2002 to 2005. He was originally signed as an undrafted free agent in 2002.
Carolina Panthers
Kemoeatu signed with the Carolina Panthers as a free agent in 2006. Kemoeatu suffered a torn right Achilles' tendon during the team's 2009 training camp. He was placed on season-ending injured reserve on August 5.
He was released on March 5, 2010. Washington Redskins
On March 13, 2010 Kemoeatu signed a two-year, $7 million contract with the Washington Redskins. He was released on July 28, 2011.
Second stint with the Baltimore Ravens
On May 2, 2012, Kemoeatu returned to the Baltimore Ravens. After a one-year hiatus from football, he lost 78 pounds, from 415 down to 337, in a serious attempt to resurrect his career. He wound up winning the starting Nose Tackle job from Terrence Cody, starting 13 games, recording 29 tackles, 1 sack and 1 forced fumble.
