Gruff Davies

Bio: Gruff is a full-time tech inventor/entrepreneur and part-time science fiction novelist. He invented the Exertris gaming exercise-bike (presented by Bill Gates at CES). He created and runs Kwiziq.com (and its daughter site French-test.com) - a smart system to help people learn foreign languages more quickly. He was a founding technologist behind moonfruit.com, one of the UK's most successful dotcom stories. Before tech, he was a physicist (Imperial College). Gruff's first novel, The Looking Glass Club, reached #1 on Amazon UK under SF > Mysteries & Crime shortly after launch.

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