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ENTITY
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Lou Simpson

1. Origin of Relationship

Lou Simpson (1936–2022) joined GEICO in 1979 to manage its investment portfolio, catching Warren Buffett's eye immediately as the insurer recovered from its brush with insolvency.

2. Major Milestones

  • 1979: Joins GEICO to lead its investment operations.
  • 1982: In the 1982 Letter, Buffett formally recognizes Simpson publicly as "the best investment manager in the property-casualty business."
  • 1995: When Berkshire acquires 100% of GEICO, Simpson is integrated into Berkshire's permanent managerial roster; his performance is highlighted alongside Tony Nicely's operational brilliance.
  • 2010: Retires after a 31-year tenure (1980–2010) where his equity portfolio achieved an average annual return of 20.3%, absolutely crushing the S&P 500's 13.5%.

3. Strategic Importance

Lou Simpson is the quintessential example of a world-class capital allocator working within the Berkshire ecosystem. His highly concentrated, value-oriented approach to investing insurance float mirrored Buffett's own philosophy so closely that Buffett effectively delegated GEICO's massive capital deployment to him without interference. Simpson proved that the Berkshire model of extreme concentration and buying wonderful businesses could be successfully executed by another manager running tens of billions in float, validating the scalability of Buffett's investment philosophy.

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