Jay R. Ritter

Jay R. Ritter is an emeritus professor of finance at the University of Florida's Warrington College of Business and director of The IPO Initiative. He is widely known as "Mr. IPO" for his decades of research on initial public offerings, including IPO underpricing and long-run performance. His publicly accessible IPO database, which he began building in 1979, is a foundational resource for journalists, investors, and scholars tracking U.S. IPO activity.