Guy Spier

Guy Spier is an investor and author known for his value investing approach.

Born in South Africa, he was educated at Oxford University and Harvard Business School.

Spier gained notoriety for paying $650,000 in a charity auction to have lunch with Warren Buffett, which significantly influenced his investment philosophy and life outlook.

He manages Aquamarine Capital, a value-oriented investment fund, and is based in Zurich, Switzerland.

Spier is recognized for his emphasis on ethical investing and personal development within the financial world.

His experiences and insights, particularly his transformation from a Wall Street banker to a value investor, form the core of his book and public speaking engagements.