John L. Teall is a visiting professor of finance at the LUISS Business School, LUISS Guido Carli University in Rome. He is a financial consultant, researcher and author. He was Jackson Tai ’72 Professor in Practice at Rensselaer Polytechnic Institute, and also served on the faculties of New York University, Cornell University, Pace University and others. He is a former member of the American Stock Exchange. More details are available on his Professional Background page.