Prior to joining Cambridge Judge Business School in 2021, Professor Guillén held various positions at The Wharton School, including the Dr Felix Zandman Endowed Professorship in International Management (2003-2021), Professor of Management (2003-present), Associate Professor of Management (2000-2003), Assistant Professor of Management (1996-2000). He was also the Edward Pennel Brooks Career Development Assistant Professor of International Management and Sociology at MIT Sloan School of Management (1992-1994).