San Francisco-based advertising and editorial portrait, corporate, healthcare photographer Jeff Singer photographed Marianne Vos, the most dominant cyclist in the sport right now for Bicycling magazine. Singer traveled to Laguna Seca for Bicycling to shoot Vos who will be racing in the Sea Otter Classic. Vos talks about what motivates her and how she drives opponents crazy. Singer worked with Photo Editor Stacey Emenecker. See and read more about Singer's Bicycling shoot with Vos at his blog.