Well, the bottom line is that I would be nowhere in this business if not for the guy who taught me pretty much everything I know about trading stocks, Bill O’Neil. Bill is in my view the true “greatest investor who ever lived,” given that his CAGR over a very long period of time extending back into the late 1950’s is over 40%, and he has dealt with some very large asset sizes. O’Neil is a very humble man and a truly outstanding teacher, and the opportunity to work side-by-side with him for 8 years was a rare privilege for which I will always be grateful.
Watch William O'Neil's full interview which was probably done in 2013 on IBD 30th anniversary.
August 2023 update: in the folder linked above added interview with Gil Morales talking about working with Bill O'Neil.