Chappell has been a solo practitioner from 2007 to present in Nashville, TN. Chappell's federal court criminal practice includes representation of clients during investigations as well as defendants charged wtih white collar and other offenses. She is admitted in all of the Federal District Courts of Tennessee. Chappell was selected Best of the Bar in 2017 and 2019 by the Nashville Business Journal. She is currently serving on the Juvenile Justice Implementation Council as appointed by former Governor, Bill Haslam.