Thayne Martin McCulloh, D.Phil (Oxon), (born August 20, 1964) is an American social psychologist and academic administrator, and is the 26th president of Gonzaga University in Spokane, Washington. McCulloh was first appointed interim president of Gonzaga on July 15, 2009, following the retirement of Robert Spitzer, S.J.. A year later, on July 16, 2010, McCulloh was appointed President of Gonzaga University, becoming the university's first regularly elected lay (i.e., non-clergy) president.