Joel Greenblatt is an American investor, hedge fund manager, and author. He is the founder and managing partner of Gotham Asset Management, a New York-based investment management firm. He is also a professor at the Columbia Business School and is widely recognized for his expertise in value investing.
Greenblatt is best known for his investment strategies and his book "The Little Book That Beats the Market". In this book, he presents his Magic Formula investing strategy, which is based on finding companies that are trading at a discount to their intrinsic value. The strategy involves ranking companies based on their earnings yield (EBIT/Enterprise Value) and return on capital (EBIT/Invested Capital), and then buying those that score well on both metrics.
Greenblatt's investment strategies and his book have been widely popular and well received by investors and professionals in the industry. He has also been featured in many publications such as Forbes, The Wall Street Journal, and The New York Times.
Greenblatt's investment approach is based on value investing principles, similar to those of Benjamin Graham and Warren Buffett. He emphasizes the importance of thorough research and due diligence when making investment decisions and encourages investors to focus on the intrinsic value of a company, rather than its stock price.
He is also a proponent of using quantitative methods to identify undervalued companies, and his Magic Formula investing strategy has been widely studied and used by investors and money managers.
Overall, Joel Greenblatt is a respected and successful investor known for his expertise in value investing and his innovative investment strategies, specifically his Magic Formula investing strategy.