Troy Alton Adair Jr. received his B.S. in computers/information science from the University of Alabama at Birmingham, his M.B.A. from the University of North Dakota, and his Ph.D. in finance from Indiana University. He is senior director of Research Computing Services at Harvard Business School. He is the author of Corporate Finance Demystified, Excel Applications in Corporate Finance, and Excel Applications in Investments. Dr. Adair has served as a consultant on financial data information systems and business intelligence to international banks and insurance companies and as the faculty representative to the board of trustees investments committee at Alma College. Dr. Adair has taught at the University of Michigan, Alma College, Hofstra University, Indiana University, and the University of North Carolina at Chapel Hill. He is a member of the Financial Management Association, the American Finance Association, and the Southern Finance Association.