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Billionaire Index

A daily ranking of the world's richest people

Last updated: November 11, 2026 · $11.70T tracked

Methodology

No. 341Austria

Johann Graf

Gambling · Vienna

Net worth

$10.4B

Today

+$339+0.00%

Past month

−$33M−0.31%

As of Nov 11, 2026, 1:50 PM EST

Johann Graf owns Novomatic Group, which operates casinos worldwide and also sells slot machines, video poker games and electronic table games. Raised by his grandparents in a small flat without running water, he apprenticed as a butcher and was expected to take over his family's butcher shop. Instead Graf began importing American pinball machines to Austria via Belgium, then became an agent for a British slot machine company. In 1980 he stuck out on his own with Novomatic, which he quickly expanded into Switzerland and then the East Bloc after the fall of the Iron Curtain.

Net worth over time

−0.31%−$33M over the past month
$10B$10B$10B
Oct 12Nov 11

Principal holdings

1 positions
CompanyShareValue

Private holdings

100.0%$10.4B

Also known for

  • Graf collects vintage cars, mostly Jaguars.