Collier co-founded CSR as a corporate spin-off from Cambridge Consultants Limited with a group of eight other people including Glenn Collinson, Phil O'Donovan,[6] Jonathan Kimmitt, Carl Orsborn, Ian Sabberton, Justin Penfold, Robert Young and Graham Pink.

[5] Using short-range wireless technology, CSR became a major supplier of integrated circuit designs for Bluetooth, GPS and Wi-Fi.

[7] Neul was based in Cambridge Science Park and developed wireless network technology to enable the use of the white space spectrum.

[2] In 2005, Collier won the MacRobert Award with his CSR colleagues John Hodgson, Phil O'Donovan,[6] Glenn Collinson and Chris Ladas for their work on Bluecore.

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