 He was a lecturer in electrical engineering at The Polytechnic, Ibadan between 1977 and 1980.In 1981 he was a Westinghouse Intern and a teaching assistant at McGill University and in 1982 he was a graduate assistant at Carnegie Mellon University.Hoole worked for PA Consulting Services between 1983 and 1984 before joining Drexel University in September 1984 as an assistant professor of electrical and computer engineering.