Guy Hubert Bailey (born August 9, 1950) is a sociolinguist and the 1st president of the University of Texas–Rio Grande Valley. He was the president of the University of Alabama, his baccalaureate alma mater. He was previously the president of Texas Tech University and held earlier positions at Emory University, Texas A&M University, and Oklahoma State University, prior to serving as dean of liberal arts at University of Nevada, Las Vegas. From there he became provost of the University of Texas at San Antonio. Before assuming the role at Texas Tech, he was the chancellor of the University of Missouri–Kansas City.
Bailey holds a bachelor's and master's degrees in English from the University of Alabama and a doctorate in English linguistics from the University of Tennessee. He did postdoctoral studies at Emory University and Stanford University. He is the author of about 100 books and articles.
Before accepting the position of chancellor at the University of Missouri–Kansas City, Bailey served as the provost at the University of Texas at San Antonio.
Bailey's term as chancellor of the University of Missouri–Kansas City began on January 1, 2006.
On July 2, 2008, Bailey was selected to succeed Jon Whitmore as the president of Texas Tech University. He assumed the position on August 1, 2008. Bailey's wife, Jan Tillery, is a Texas Tech graduate who was raised in the Lubbock area.
On July 11, 2012, Bailey was named the incoming president of the University of Alabama. His appointment began in early September 2012.
On October 31, 2012, Bailey announced his stepping down as president of the University, to focus on his wife's healthcare needs.
In 2014, Bailey was revealed to be a shortlisted candidate for the position of inaugural president of The University of Texas–Rio Grande Valley. He was announced as the sole finalist, and de facto incoming president, on 28 April 2014.
Bailey is known nationally for his work in linguistics and has often researched jointly with his wife. One of his most notable projects is a long-term sociolinguistic study, in collaboration with Patricia Cukor-Avila, of an African-American town nicknamed "Springville" in the Brazos Valley of Texas.
Bailey has two adult children, Jordan and Brooks, from his first marriage. He was married to his second wife Jan Tillery-Bailey until her death on September 1, 2013.