Career
He has previously served as an assistant coach for the Bakersfield Jam. Lewis began coaching in 1990s before serving as Director of Coaching for the Sevenoaks Suns between 2004 and 2007. In 2008, he was head coach of the New York Strikeforce.
He then spent two years coaching the now-defunct Essex Pirates before spending the 2011-2012 season as the Director of Basketball at the Sheffield Sharks.
In 2012-2013, he was head coach of Ratiopharm Ulm, and in 2013-2014, he was head coach of the Hitachi Sunrockers. Lewis spent the 2014-2015 season as the lead assistant coach for the Bakersfield Jam of the National Basketball Association Development League.
On July 28, 2015, Lewis was named an assistant coach for Raptors 905. Between 2006 and 2012, Lewis served as the head coach of the Great Britain U20 national team and as an assistant with the Great Britain senior national team
In June 2014, he was appointed an assistant coach for the Panama national basketball team