Pat Dorsey

Morningstar moats framework, Five Rules for Successful Stock Investing

Former Director of Equity Research at Morningstar, now founder and portfolio manager at Dorsey Asset Management. Built Morningstar's equity research methodology around the concept of economic moats — structural barriers that protect a company's returns on capital. Author of 'The Five Rules for Successful Stock Investing' and 'The Little Book That Builds Wealth'.