Alvin E. Roth, PhD, is the McCaw Professor of Economics at Stanford University and is one of the world's leading experts in the fields of market design and game theory. He was a corecipient of the 2012 Nobel Prize in economics. Roth received his Ph.D. at Stanford University at the age of 22 and was tenured at the University of Illinois by the age of 25. Before joining the Stanford faculty, he was the George Gund Professor of Economics and Business Administration in the Department of Economics at Harvard University and in the Harvard Business School. Roth won the Nobel Prize for his work as one of the founders of the new economic discipline of market design, the subject of his 2015 book Who Gets What - and Why? The New Economics of Matchmaking and Market Design.