Jof Arnold Co-founder, Gymfu.com
Jof Arnold is a self-professed “geektech adventurer” based in London. His latest project is GymFu.com – an iPhone startup focused on using motion-tracking and gaming to improve people’s health. He also runs web and iPhone dev agency BrainBakery.com with GymFu co-founder Benjie Gillam. His move into web startups in 2007 marked a shift from a hitherto mechanically-minded career which featured nuclear robots, lasers, androids, motorsport, kit cars, russian spacecraft and fuel injection systems.