Dr Stephen C Bateman is Vice President of Product Development at NovAtel, Inc., based in Calgary, Canada, where he has overall responsibility for technology and product development covering five business areas and employing over 110 software, hardware, firmware and geomatics engineers. NovAtel is a world leader in the provision of high-precision positioning and navigation systems using satellite systems (GNSS) and various space and land based augmentation systems (inertial, vision, satellite and ground based). Dr Bateman has held senior technical and executive positions in California and Canada and is also Visiting Professor to Loughborough and Bristol Universities in the UK. In his spare time, he teaches people to fly aeroplanes.