In 1984, Petersen began working for the U.S. bicycle division of Bridgestone Tires in San Leandro, California in data entry and customer support. He later became a marketing director and product manager and in the early 1990s promoted the development of fat-tired road bikes inspired by emerging mountain bike designs.
In 1984, Petersen started working for the U.S. bicycle division of Bridgestone Tires in San Leandro, California in data entry and customer support. He later became a marketing director and product manager and in the early 1990s promoted the development of fat-tired road bikes inspired by emerging mountain bike designs.