Glenn is a member of the Institute of Engineering and Technology and holds an MSc in electronics as well as an MBA from Cranfield University. Glenn started his career at Racal and worked for Motorola and Texas Instruments before co-founding Cambridge Silicon Radio in 1998. There he served as an executive director and helped grow the company from a concept to a $3 billion market capitalisation entity in 2006 (as CSR Plc) and one of the biggest players in the Bluetooth market. Since leaving CSR he has held a number of executive and non-executive directorships in UK and French companies – both public and private – that specialise in technology.