Dennis Lynch, the head of growth investing at Morgan Stanley Investment Management, was the top large-cap portfolio manager of 2017, and his funds have been dominating for years. In an exclusive interview with Business Insider, he reveals four pieces of advice that should be followed by any aspiring money manager. In order to become the best, you have to learn from the best. That's the mantra Dennis Lynch has followed during his ascent to the pinnacle of stock picking — one that finds him as lead manager of multiple funds that have been among the top-ranked on Wall Street for years.