 Williams also composed for movies including King of the Hill, The Limey, Younger and Younger, "The House of Yes", Wonderland and "Wicker Park".He also composed cues and performed piano for the TV series Chicago Hope.As a technologist, Williams has served as the Vice Chair of the IEEE 802.21 working group, secretary for the IEEE 1275 Open Firmware working group, and member of the IEEE 1754 Open Microprocessor working group.