In 1974, Graf founded Brodnik & Graf GmbH with the electrical retailer Gerhard Brodnik and started importing Belgian
pinball machines, which were installed in pubs and cafes. In 1980, he started manufacturing gaming machines and founded
Novomatic Automatenhandels GmbH with a starting capital of 50,000 schillings. On January 28, 2021, it was announced that Graf had given away 20% of the shares in Novomatic's holding company, Novo Invest GmbH (which itself holds 90% of Novomatic), 10% to his son Thomas Graf, who is Chief Technology Officer of Novomatic AG, and 5% each to managing directors of Novo Invest, Birgit Wimmer and Ryszard Presch (CEO of Novomatic AG). Graf himself spoke of a generational change. == Wealth ==