Barry Ashlin Williamson is an attorney from Austin, Texas, who was from 1992 to 1999 a Republican member of the Texas Railroad Commission. In 1992, he defeated the appointed incumbent Lena Guerrero, a Democrat, to win a seat on the three-member panel which regulates, not railroads, but oil and natural gas. Wikipedia*
On the C-SPAN Networks:
Barry Williamson has one video in the C-SPAN Video Library; the first appearance was a 1992 Convention.