Johann Graf is an Austrian billionaire businessman, ranked 274th on the Forbes list in 2025. He's also the Founder of Novomatic, where he long served as CEO.
He built the company from scratch into a vertically integrated giant operating in 50+ countries, exporting to 130+ countries, and managing 2,000 gaming establishments. He also founded Greentube, the online division. Johann is one of the most influential figures in gambling and among Austria's wealthiest entrepreneurs.
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Last update: 2026-04-10
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CEO • Greentube
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