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David is an internationally recognized expert in the fields of bar coding and automatic identification. David invented five bar code symbologies, including CODE 39, Interleaved Two of Five (ITF), CODE 11, CODE 93, and CODE 49. Previously serving as President and CEO of Intermec, he built the company from a small startup into the leading manufacturer of bar code and printing equipment. In 1989, David founded PathGuide Technologies, Inc. David holds a B.S. in Mechanical Engineering and an M.S. in Mechanical Engineering from the University of Arizona, an M.S. in Electrical Engineering from Stanford University and a PhD from Stanford University.