Dr. Hessen is a Senior Research Fellow at the Hoover Institution, Stanford University, where he also teaches in the Graduate School of Business. A specialist in American economic and business history, he is the author of the highly acclaimed book In Defense of the Corporation, and has testified before Congressional committees on legislation affecting business. His articles have appeared in numerous popular and scholarly publications, including The New York Times, Barron's, Business History Review, and The Journal of Law and Economics. He lectures extensively to business and academic audiences throughout the United States and Canada.