Rob is best known as a member of the band Stillwater who were signed to Phil Walden's Capricorn Records in the late 1970's. The band's single Mindbender (written by Walker and song wizard Buddy Buie) peaked at #46 on Billboard's Hot 100 charts in February of 1978 and features Rob on the talk-box guitar. They toured with The Atlanta Rhythm Section and The Charlie Daniels Band and also performed with The Allman Brothers, Marshall Tucker, Bo Diddley, The Dixie Dregs, Sea Level, Blue Oyster Cult, Foreigner and others. Rob has performed in some of the most prestigious venues in the history of rock including The Agora Ballroom (originally The Electric Ballroom), The Fox Theatre (both located in Atlanta) and The Winterland Ballroom in San Francisco (owned by the late legendary promoter Bill Graham who also owned Fillmore East and West).

Stillwater released 2 albums for Capricorn and recorded their third album Runnin' Free at the original Capricorn Studios in the late 90's. They continue to perform reunion shows throughout the area. Rolling Stone magazine featured the band in their August 2020 tribute to the 20th anniversary of Cameron Crowe's film Almost Famous.

Rob enlisted in the Air Force Band of New England (the former Pease Airforce Base) and toured the world for many years before he retired. He is proficient in music theory and teaches all styles of music.