University of Illinois, Champaign-Urbana, School of Labor and Employment Relations (LER): Professor (2006 to present) and Dean (2006-2012); Senior Research Scientist, National Center for Supercomputing Applications (NCSA) (2013-present); courtesy appointment in Industrial and Enterprise Systems Engineering (IESE, College of Engineering) (2006- present). University of Sydney, Business School, Work and Organizations Faculty: Visiting Professor (fractional appointment) (July, 2013; July, 2014; July, 2015). MIT, Sloan School of Management and Engineering Systems Division (ESD): Senior Research Scientist, Sloan School of Management, and Executive Director, Engineering Systems