William J. Bernstein

William J. Bernstein is a retired neurologist and cofounder of the investment management firm Efficient Frontier Advisors. He is the author of three finance books—The Intelligent Asset Allocator, The Four Pillars of Investing, and The Investor's Manifesto—and four history books, The Birth of Plenty, A Splendid Exchange, Masters of the Word, and The Delusions of Crowds. Bernstein won the prestigious James R. Vertin Award from the CFA Institute in 2017.