Brookings Institution

Senior Fellow - Metropolitan Policy Program at Brookings Institution

Leonard N. Stern School of Business

Professor of Accounting at Leonard N. Stern School of Business

Harvard Medical School

Professor of Medicine at Harvard Medical School

International Foundation of Employee Benefit Plans

Associate Professor of Health Care Policy and Medicine at International Foundation of Employee Benefit Plans

MIT Professional Education

Professor of Computer Science and Engineering at MIT Professional Education

Tepper School of Business

The Friends of Allan H. Meltzer Professor Professor of Economics at Tepper School of Business

CBS Executive

Harvard Kennedy School

Felix Frankfurter Professor of Law, HLS at Harvard Kennedy School

Brookings Institution

Nonresident Senior Fellow - Economic Studies, USC-Brookings Schaeffer Initiative for Health Policy at Brookings Institution

UCONN - University of Connecticut

Professor Emeritus at UCONN - University of Connecticut

GIBS Business School

Professor Extraordinaire at GIBS Business School