Robertson played linebacker for the Texas Longhorns football team from 1966-68, earning All America status in 1967. Since earning his bachelor of business administration degree in 1969, Robertson has proven he can translate his playing field success to equal success in the world of business. He even has been named to another All America team — he became a member of the All American Wildcatters in 1993. Robertson is the founder, president and chief executive officer of Quintana Minerals Corporation, an oil and gas exploration company based in Houston. His various oil and gas ventures have produced energy products equal to more than 1 billion barrels of oil. His three children (Corbin Robertson III, Christine Robertson Morenz and Will Robertson) all have graduated from The University of Texas at Austin. Robertson also has been named a distinguished alumnus of Lamar High School in Houston and the Red McCombs School of Business at The University of Texas at Austin.