Gisele Caroline Nonnenmacher Bündchen is a Brazilian supermodel. She is recognized as being one of the most successful and highest-paid models in the world. Since her introduction to the fashion scene in the 1990s, she has appeared on many billboards and magazine covers, as well as numerous TV and print ads. Bündchen is currently the face of more than 20 brands worldwide from countries including the United States, Russia, Brazil, Italy, France, Mexico, Spain, Turkey, South Korea, Germany and Switzerland. According to Forbes, she earned $33 million in 2006, adding to her estimated $150 million fortune. She is currently listed in the Guinness World Records as the "world's richest supermodel".An American economist named Fred Fuld developed a stock index to measure the profit performance improvement of companies represented by Gisele Bündchen compared to the Doe Jones Industrial Average. According to Fuld, the Gisele Bundchen Stock Index was up 15% during the interval of time between May and July of 2007, substantially surpassing the Dow Jones Industrial Average, which was up just 8.2%.