Whataburger is an American privately held, regional fast food restaurant chain, headquartered and based in San Antonio, Texas, that specializes in hamburgers. The company, founded by Harmon Dobson and Paul Burton, opened its first restaurant in Corpus Christi, Texas, in 1950. Family-owned by the Dobsons until 2019, the chain is now managed by a venture capital company along with the Dobson family still holding a small stake.