As a fellow at the Center for Inquiry, he was Chair of the Committee for the Scientific Examination of Religion from 2003 to 2009, and a founding faculty member (1986) of the Humanist Institute. Until 2016 he served on the faculty of Liberal Arts at the American University of Central Asia With Yasir Fazaa, he founded the Westminster School in Port Sudan while serving as Deputy General Manager for Academic Affairs (2013; 2016) of Cambridge International. Hoffmann joined the faculty of Yeoju Institute of Technology in Tashkent as University Professor in 2020.