Conversations with David Booth: John “Mac” McQuown

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John “Mac” McQuown and David Booth discuss their history together, the evolution of finance, and Dimensional’s approach to investing in the video below.

Mac is a true legend in the finance industry. He started the first index fund at Wells Fargo and worked with John Bogle at Vanguard to introduce the first retail index fund. He is a co-founder of Dimensional Fund Advisors and serves on its board of directors. In 2002, he and two other entrepreneurs founded KMV, a leading provider of quantitative credit analysis tools to lenders, investors, and corporations. He and his partners sold the firm in 2007 to Moody’s (which combined it with other services to form Moody’s Analytics).

But Mac’s interests and influence extend well beyond the world of finance. In 2004, he established Stone Edge Farm Estate Vineyards and Winery in Sonoma, which produces world-class Cabernet Sauvignon wine. But Stone Edge is no ordinary world-class winery. It’s also an amazing microgrid, which Mac describes as “a mile-long power line that connects a network of electrical services and integrates various forms of distributed energy generation (solar, microturbine, hydrogen fuel cells) and storage (batteries and hydrogen) with real time monitoring and control.” For more on the microgrid, visit his website at You can also read a Northwestern University article on Mac and his microgrid here.

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