At the time of his selection, Dunn was on leave as chairman of the Department of Educational Administration and Higher Education at Southern Illinois University Carbondale.
Randy Dunn took office at Murray State on December 1, 2006.
In May 2006, Dunn was selected to become president of Murray State University.
The Murray State board of regents approved Dunn's hiring by a 7-4 vote during a special meeting in May 2006.
He earned his Bachelor of Science degree in teacher education from Illinois State University in 1980.During Dunn's tenure as president, the Hold Thy Banner High campaign came to a close.The fundraising campaign, which began in 2005 prior to Dunn's presidency, ended in October 2012. Both of his previous presidential terms ended in controversy. He formerly served as president of Youngstown State University and Murray State University.Dunn later became a department chair at SIU in 2000.