During 1987-1988, he spent a formative year as a visiting scientist in the Section for Informatics and Cognitive Science of the Risø National Laboratory in Roskilde, Denmark.
During 2002-03, he was Jerome Clarke Hunsaker Visiting Professor of Aerospace Information Engineering at the Massachusetts Institute of Technology.
He and his students have applied these ideas to a number of diverse application domains, including: animation, aviation, engineering design, medicine, network management, nuclear power, and petrochemical processes.
His latest book, The Human Factor: Revolutionizing the Way People Live with Technology, was published by Alfred A. Knopf Canada in 2003, Routledge in the US and Les Éditions Logiques in Québec in 2004.
He has acted as a consultant to industry and government, including the Atomic Energy Control Board of Canada, Australian Defence Science and Technology Organisation, Honeywell Technology Center, Microsoft, NASA Ames Research Center, NATO, Nortel Networks, US Institute of Medicine, US National Academy of Engineering, and US Nuclear Regulatory Commission.
In 2002, he became the first engineering professor ever to receive the $100,000 McLean Award, the University of Toronto’s wealthiest and most prestigious prize for outstanding research.