Guy Buesnel has more than 16 years’ experience in protecting GNSS Receivers from emerging threats, having started his career as a Systems Engineer involved in the development of GPS Adaptive Antenna Systems at Raytheon Systems Limited in the UK. Buesnel joined Spirent in May 2014 as Market Segment Manager, Robust Positioning Navigation and Timing. Buesnel holds an M.Sc. (Eng) in communications engineering from the University of Birmingham and a B.Sc. (Hons) in physics with atmospheric physics from the University of Wales Aberytstwyth. Buesnel is a Chartered Physicist, a Member of the Institute of Physics and was elected a Fellow of the Royal Institute of Navigation in 2015.