Peter Harris is Professor of Tax Law and Director of the Centre for Tax Law at the Faculty of Law of the University of Cambridge and Fellow of Churchill College. He is Editor of the Cambridge Tax Law Series and Studies in the History of Tax Law. He taught tax courses at sixteen universities across nine countries and has authored six international and comparative tax books. He has been an IMF advisor for twenty-five years, assisting more than twelve countries in drafting and reforming tax law and particularly corporate tax systems.