Hugh Ault retired from active teaching duties in the spring of 2012.

Professor Ault is a specialist in taxation with an emphasis on international tax issues. He has been visiting professor at a number of foreign universities, most recently serving as Distinguished Visiting Professor at Gakushuin University in Tokyo, Japan. He was a Fulbright Exchange Professor at the University of Stockholm, where he received an honorary Juris Doctor degree in 1994. In 2003 he also received an honorary doctor of law degree from Katholieke Universiteit Leuven, Belgium, in recognition of his academic contributions in international and comparative tax law. He teaches courses in business and international taxation as well as tax policy.