Glenn L. McCullough, Jr. (born December 18, 1954, in Tupelo, Mississippi) is a businessman, former Mayor of Tupelo, Mississippi, former chair of the Tennessee Valley Authority. McCullough lost the Republican nomination for Mississippi's 2008 1st congressional district special election.
McCullough is a sixth generation Mississippian. He attended Mississippi State University where he received a bachelor's degree in Agricultural Economics in 1977. He was vice president of McCullough Steel Products, Inc. and served on the staff of Mississippi Governor Kirk Fordice.
McCullough was nominated to the board of the Tennessee Valley Authority by President Bill Clinton in 1999 and was elevated to chair of that board by President George W. Bush on July 19, 2001. His term expired on May 18, 2005. During this time he also served in an advisory capacity to several Energy related U.S. institutions. He also spent 2 years as mayor of Tupelo.
Currently, McCullough is Chairman and CEO of GLM Associates, LLC, and a partner in Ardillo, McCullough & Taggart, LLC. He announced his candidacy in Mississippi's 1st congressional district special election on January 3, 2008. He lost the Republican runoff challenge from Southaven Mayor Greg Davis.
McCullough is married with two college age sons.