Lord Drayson graduated as an engineer and finished his PhD in 1985 at Aston University. In 1987 he became Managing Director of The Lambourn Food Company Limited, a subsidiary of the Trebor Group and, after a management buy-out of the Company in 1989, completed its sale to a third party in 1991. The same year, he founded Genisys Development Limited, a consultancy company for new products development and management.
In 1993, he co-founded PowderJect Pharmaceuticals Plc and led its business as Chairman and CEO until it was sold to Chiron Corporation, a US company, in 2003. He co-founded Drayson Racing Technologies LLP in 2007 and, in 2014 he set up Drayson Technologies Ltd, an Internet of Things platform company of which he currently is the co-founder, Chairman and CEO.
Lord Drayson was also elected chairman of the U.K. BioIndustry Association in 2001 and was appointed to the House of Lords and a Member of the Science and Technology Committee of the House of Lords in 2004. He was then appointed Parliamentary under Secretary of State for Defence Procurement in 2005 and became Minister of State for Defence Equipment & Support in 2006 and Minister of State for Science & Innovation in 2008.