Professor Dame Julia King (Baroness Brown of Cambridge) DBE, FRS, FREng is an engineer, crossbench member of the House of Lords and Chair of The Carbon Trust.

Julia started her career in academia as a Rolls-Royce fellow at University of Cambridge and was involved in teaching and research for 16 years, before moving to business. Between 1994 and 2002  she held a number of managerial positions at Rolls-Royce. In 2002 she became the Chief  Executive of the Institute of Physics. Between 2004 and 2006 Julia was the Principal of the Engineering Faculty at Imperial College London. After that, she was Vice-Chancellor of Aston University for a decade.  

Julia has worked closely with the government on a number of climate, technology and education issues. She led the King Review of low-carbon cars (published in 2008) and sat on numerous government bodies, such as Climate Change Committee's Adaptation Sub-Committee of which she is the chair.  

Julia was appointed a life peer in the House of Lords in 2015. In 1999 she was appointed Commander of the Order of the British Empire and promoted to Dame Commander of the Order of the British Empire in 2012.