1978, BSc, Cornell University; 1983, DPhil, University of Oxford. Formerly with: University of California, Berkeley; University of Illinois; Massachusetts Institute of Technology. Since 1985, with Wharton: since 1990, Director, Center for Human Resources; 1995-99, Chairperson, Management Department; 1999, George W. Taylor Professor of Management. Since 1991, Co-Director, US Department of Education National Center on the Educational Quality of the Workforce, University of Pennsylvania; Research Associate, National Bureau of Economic Research. Author, Why Good People Can't Get Jobs. Awards: #5 in HR Magazine's 2012 list of most important management thinkers. Expertise: human resource practices, talent and performance management, public policy related to employment.