Stephen J. “Tio” Kleberg was born in Austin, Texas, to Richard M. Kleberg Jr. and Mary Lewis Scott Kleberg. Tio grew up on King Ranch in Kingsville, Texas, working summers with ranch operations. Tio graduated from Texas Military Institute in 1964. In 1969, he received a B. S. in Animal Science at Texas Tech University. From 1969 to 1971, he served as a Lieutenant in the U. S. Army receiving a Distinguished Service Medal. Upon his father’s death in 1979, Tio managed all of King Ranch south Texas agriculture enterprises and later served as Vice President of King Ranch Agri-business, managing all agricultural enterprises in Texas, Arizona, and Florida, as well as the international operations in Brazil, until 1998. Tio serves on the King Ranch Board of Directors and is past president of the American Quarter Horse Association. He currently serves as Chairman of the Caesar Kleberg Foundation for Wildlife Conservation and Vice-Chairman for TAMUK Foundation. Tio and his wife, Janell, have three married children, Christopher, Adrian (Sabom) and Robert Justus and six grandchildren.