What does it take to undertake a significant career change? How can you shift from a safe but unsatisfying job into one that you love?

William Bernstein, founder of Efficient Frontier Advisors, is both a neurologist and a professional investor. He is also the author of numerous books on investing and economic history, including “The Four Pillars of Investing” and “The Delusions of Crowds.”

Each week, “At the Money” discusses an important topic in money management. From portfolio construction to taxes and cutting down on fees, join Barry Ritholtz to learn the best ways to put your money to work.