He became noted for his finger tapping guitar playing in bands such as Don Caballero, Storm & Stress and currently in Battles.

Williams was born in Pittsburgh, Pennsylvania, and spent part of his childhood in Malawi, before returning to the US in the 6th grade.

[2] Williams joined Pittsburgh math rock pioneers Don Caballero as a second guitarist in 1992 until 2000.

Williams is well known for his approach to finger tapping on guitar and uses Gibson's Echoplex looping system.

He also had small cameos in Heaven's a Drag and Bloodmoon, a 1997 martial arts action film.