James Patrick O'Shaughnessy (born May 24, 1960) is an American investor and the founder, chairman, and CEO of O'Shaughnessy Asset Management, LLC (OSAM), an asset management firm headquartered in Stamford, Connecticut. O'Shaughnessys areas of expertise include quantitative equity analysis, portfolio management, research decisions, and investment models. O'Shaughnessy has authored several books that use Standard & Poors Compustat database to provide extensive quantitative analysis of stock market performance. O'Shaughnessy has been awarded several U.S. patents for his investment strategies and was recognized as a legendary investor by Forbes.com. James P. O'Shaughnessy was born and raised in Saint Paul, Minnesota where he attended Saint Thomas Academy as a youth. His fascination with the stock market began at an early age when he started to manually track characteristics common to the 30 companies in the Dow Jones Industrial Average stock index. After studying international economics and business diplomacy at the School of Foreign Service of Georgetown University, O'Shaughnessy graduated with a Bachelor of Arts in Economics from the University of Minnesota in 1986.