After graduating, Wells continued with the Mount Vernon Nazarene Cougars as an assistant coach while at the same time attending the United States Sports Academy.[1]
Wells' experience in the NBA began in 1994 with the Houston Rockets, where he started as an intern[2] and assistant video coordinator and worked his way up the ranks to a job as an assistant coach in 1999[1] before leaving the Rockets in 2004. He also worked as the head scout for Team USA from 1998 to 2003.[3]
After a season as an assistant with the Los Angeles Lakers in 2004–05, Wells served as an assistant for the San Antonio Spurs between 2005 and 2009. The Spurs won an NBA championship in 2007. Between 2009 and 2011, he served as an assistant for the Washington Wizards.[3]
Wells had three years at the college level between 2011 and 2014, serving as an assistant coach for George Mason (2011–13) and South Florida (2013–14).[3]
In June 2014, Wells joined the Utah Jazz as an assistant coach.[4] He spent eight seasons with the Jazz, the last coming in 2021–22. His final three seasons with the Jazz saw him serve in a dual role of Director of Basketball Operations.[5]
Wells served as an assistant coach with USA Basketball in three of the six qualifying windows for the 2023 FIBA Basketball World Cup.[5]