Richard "R.D." Martin
R.D. Martin, supervising partner of Sonic Drive-In restaurants in Phoenix, AZ, graduated from Texas State with a bachelor’s degree in Political Science and History.
While he was still in high school in Austin, Mr. Martin went to work for Sonic Drive-In as a carhop. By the time he graduated from Texas State, he had moved into management and then into partnership with Sonic to build its business in Central Texas. For 10 years, Mr. Martin supervised the opening of 40 Sonic Drive-Ins in Austin and San Antonio. He is currently partnered with Sonic in the Phoenix market to open 50 new restaurants.