Warren East CBE, previously CEO of Rolls-Royce and Arm, joined Tokamak Energy as Non-Executive Director in May 2023.
After 11 years at Texas Instruments, Warren joined Arm in 1994, was appointed to the board in 2000, and was CEO from 2001 to 2013. Under his leadership, Arm became the world’s leading semiconductor IP licensing company.
In 2014, Warren became a non-executive director of Rolls-Royce Holdings and chair of the board’s technology committee. As CEO from April 2015, he led Rolls-Royce through the Covid-19 pandemic impact on global aviation and championed the strategic shift to net zero. After seven years leading Rolls-Royce, he retired from the company on 31 December 2022.
In April 2024, Warren was appointed Chair of The UK’s National Air Traffic Service (NATS), taking over as chairman from 1 September 2024.
Warren is a Fellow of the Institution of Engineering and Technology (IET), Royal Society and Royal Academy of Engineering, a Distinguished Fellow of the British Computer Society and a companion of the Chartered Management Institute. Warren has a degree in Engineering Science from Oxford University, an MBA from Cranfield, and honorary doctorates from Cranfield and Newcastle Universities. With his wife, he established The Relithan Charitable Trust, supporting science education. He was made CBE in 2014 for services to Engineering and Technology.