Bill Gates in Sweden for dirty old man Simonyi's wedding Microsoft billionaire Charles Simonyi sure likes to live large. He's a space tourist ! He dates Martha Stewart ! No wait, 60-year-old Simonyi is now marrying 28-year-old Swedish socialite Lisa Persdotter! Let me guess: You don't want a photo of him. You want a photo of her . Here you go...Bill Gates in Sweden for dirty old man Simonyi's wedding (Photo of Bill Gates by Scanpix/Adam Ihse, Lisa Persdotter by Stureplan)