Warren East

East attended Monmouth School and earned a bachelor's degree in engineering science from Wadham College, Oxford. He went on to earn a Master of Business Administration (MBA) degree from Cranfield School of Management at Cranfield University.

After eleven years with the chip maker Texas Instruments, East left in 1994 to join ARM Holdings, the British fabless manufacturing microprocessor design and software company. At ARM he established the company's consulting business.

East later became the vice-president of business operations at ARM. Within three years he was appointed to the board as chief operating officer. East was appointed the chief executive officer of ARM Holdings in October 2001. He moved on from ARM on 1 July 2013, and was succeeded by Simon Segars.

In 2014, East became a non-executive director of Rolls-Royce Holdings and chair of the board's technology committee. In April 2015, Rolls-Royce announced that East would succeed John Rishton as CEO, when Rishton retired on 2 July. East led Rolls-Royce through a turbulent period involving the impact of the COVID-19 pandemic impact on Global Aviation, increased pressure to transition to net zero, and in-service issues relating to the Trent 1000. After 7 years leading Rolls-Royce, he retired from the company at the end of 2022.

In January 2020, Warren East was appointed to the board of ASML Holding.

In April 2024, East was appointed the Chair of NATS Holdings, a public-private partnership that provides air traffic control services to flights within the UK.

East is married with three children and lives in Cambridgeshire. His wife, Amanda, is a fellow engineer. East enjoys sailing, cycling, skiing and mountain walking, and plays the organ at his local church.