Keith earn a bachelor's degree from Furman University in Greenville, South Carolina and an MFA in conduction from Carnegie-Mellon University in Pittsburgh, Pennsylvania.
Keith is also the musical director for the Utah Symphony Orchestra. He has held this position since 1998.
Keith was married to Lucia Lin from 1996 to 2004. They have one son, Aaron Lin Lockhart, born in August 24, 2003.
Keith was named conductor of the Boston Pops in 1995 at the age of 35. He is the 20th conductor since the inception of the Boston Pops in 1885.