Mr Simon Segars FRS

Simon Segars is an engineer and business leader whose interests lie in how ubiquitous access to computing and connectivity can positively impact society.


Simon was CEO of Arm Holdings PLC between 2013 and 2022 and led the company through a period of business growth and portfolio expansion. He joined Arm in 1991 as one of the company’s first engineers and led design teams that developed some of the company's key first products. His early work focused on understanding the energy efficiency of circuit designs and hardware support of software debugging in embedded processors. Arm's technology has gone on to power over 280bn chips, and counting, and touches the lives of billions of people every day.


He has been a Director of Dolby Labs Inc. since 2015 and since retiring from Arm has joined the boards of Vodafone Group PLC, Edge Impulse Inc., and is the Chair of Silicon Quantum Computing Pty. Through advisory positions in venture and private equity, as well as mentoring early-stage CEOs, he is using his experience to help build and scale other technology businesses. Simon has a Degree in Electronic Engineering and an honorary doctorate from the University of Sussex, and a Master of Science Degree from the University of Manchester.

Professional position

  • Board Member, Dolby Labs Inc, Vodafone Group PLC and Edge Impulse Inc
  • Board Chair, Silicon Quantum Computing Pty

Subject groups

  • Computer Sciences

    New computational paradigms (quantum, biological)

  • Engineering and Materials Science

    Computer engineering (including software), Engineering, semiconductors

Mr Simon Segars FRS
Elected 2024