- From Paoli, Indiana. He has a ranch called Sleepy Valley Ranch.
- Began playing fiddle at age 3. Also learned to play guitar, banjo, mandolin and is equally skilled on all of them.
- Age 9, made several guest appearances with Lester Flatt and appeared on one of his live albums.
- 1977-1990, played with his parents in The Stewart Family Band. He was known as “Fiddlin’ Ronnie Stewart.”
- 1989, also worked with Curly Seckler and recorded two albums with him.
- 1991-1994, Gary Brewer and the Kentucky Ramblers.
- 1995, formed his own band “Little Creek.”
- 1996, did some fill-in work with Petticoat Junction.
- 1997-2003 played banjo and fiddle with the Lynn Morris band.
- 2000, he and his wife built a log house, from trees on his ranch.
- 2000, won the IBMA award for Fiddle Player of the Year.
- 2001, released solo project Time Stands Still (Rounder).
- 2003, joined J.D. Crowe and the New South.
- 2007, joined the Dan Tyminski Band.
- 2008, recorded and performed with Longview.
- 2009, formed (with Adam Steffey) the Boxcars.
- 2011, won the IBMA Award for Banjo Player of the Year.
- 2017, joined the Seldom Scene, playing banjo and fiddle.