Stanford professor turns billionaire after Salesforce buys Tableau

Patrick Hanrahan, Tableau Software Inc.’s chief scientist and co-founder, is an Academy Award-winner, a Stanford University professor and, now, a billionaire.

The Wisconsin native is the biggest individual owner of Class B shares of Seattle-based Tableau, which makes analytics software that converts data into easy-to-understand charts and other graphics. On Monday, Salesforce.com Inc. agreed to buy Tableau in an all-stock deal valued at $15.3 billion.

Hanrahan owns 6.9 million of Tableau’s Class B shares, which have the same economic value as its traded A shares but with 10 times the voting rights. The value of his stake soared to $1.15 billion at