Thomas Petterfy started his firm around 40. http://www.vanityfair.com/news/photos/2015/12/billionaires-who-got-richer-2015 http://www.vanityfair.com/news/photo

Thomas Petterfy started his firm around 40. http://www.vanityfair.com/news/photos/2015/12/billionaires-who-got-richer-2015 http://www.vanityfair.com/news/photos/2015/12/billionaires-w...