 From 1979–1983 he taught sociology of deviance and medical sociology at Trent Polytechnic (now Nottingham Trent University) while also conducting research at Middlesex Polytechnic (now Middlesex University in Northwest London).In December 1983 he moved to Old Dominion University in Virginia, United States.Henry joined San Diego State University in 2006 after spending seven years as Chair of the Department of Interdisciplinary Studies at Wayne State University in Detroit, where he also has served as Associate Dean of the College of Lifelong Learning (1999–2002).