Felton was born in Tokyo, Japan[1] and spent his early years living in and visiting a variety of locales around the world, due to his father's career in the United States Air Force.
His family eventually moved to Clinton, Maryland, a suburban town in the Washington, D.C., area, a short distance from Andrews Air Force Base.
In the spring of 1998, just before Barnes left Clemson for Texas, Felton was named the head coach at Western Kentucky University.
Despite having only 9 scholarship players in 2007–2008, Felton's Bulldogs completed a successful run in SEC tournament championship history.
In their first NCAA Tournament appearance since 2002, the Bulldogs were defeated by Xavier University in the first round in Washington, D.C. On January 29, 2009, Dennis Felton was fired as head coach of the UGA Men's Basketball team.
In 2021, Felton was hired by Kim English to be the associate head coach at George Mason University.
[8] During the 2009–2010 NBA season, Felton served on the scouting staff for the Phoenix Suns, mainly observing NCAA games in the Southeast.
He was also a part of the Suns' war room during the NBA draft in June 2010, led by General Manager Steve Kerr and head coach Alvin Gentry.
[9] Prior to the start of the 2010–2011 NBA season, he was hired by the San Antonio Spurs as Director of Pro Player Personnel, a position he held through 2013.