Columbia Business School

Kravis Professor of Business at Columbia Business School

Harvard Business School

Professor of Entrepreneurial Finance at Imperial College London/Visiting Scholar at Harvard Business School

Mason School of Business

Professor of Strategic Management and International Business at Mason School of Business

Teacher

CBS Executive

, at CBS Executive

Yale School of Management

Assistant Professor of Accounting at Yale School of Management

Chairman Emeritus, Cisco / CEO, JC2 Ventures

Villanova University

Associate Professor at Villanova University

Harvard Business School

Fox School of Business

Professor at Fox School of Business

Harvard Kennedy School

John D. MacArthur Professor of Health Policy and Management, HKS and HSPH; Professor of Health Care Policy, HMS at Harvard Kennedy School