Mississippi State alumnus Tommy Nusz rang a cowbell presented by MSU President Mark E. Keenum after Nusz gave the 2015 spring commencement address at Humphrey Coliseum Saturday [May 9]. He shared advice with graduates from his personal experiences and more than 30-year career in the oil industry. The 1982 petroleum engineering graduate now is CEO and chairman of the board of Oasis Petroleum, a $4.5 billion enterprise he helped launch in 2007.