Spier, Guy

Guy Spier

CEO/Managing Partner

Guy Spier, author of "The Education of a Value Investor," has managed Aquamarine Zurich’s privately offered investment funds since 1997.

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Berkshire Hathaway Holds Annual General Meeting Via Livestream

Bloomberg Opinion

The Golden Age of Value Investing Is Over

It used to take hard work and an ear for scuttlebutt to gain an edge, but now AI has leveled the playing field. Is that a bad thing?

September 18, 2025

September 18, 2025

OpinionGuy Spier

The Golden Age of Value Investing Is Over

It used to take hard work and an ear for scuttlebutt to gain an edge, but now AI has leveled the playing field. Is that a bad thing?

Berkshire Hathaway Holds Annual General Meeting Via Livestream