Thomas J. Stanley (1944 – February 28, 2015) was an American writer and business theorist. He was the author and co-author of several award-winning books on America's wealthy, including the New York Times’ best sellers The Millionaire Next Door and The Millionaire Mind. He served as chief advisor to Data Points, a company founded based on his research and data. He received a doctorate in business administration from the University of Georgia. He was on the faculty of the University at Albany, State University of New York.