[2][7][8][9][10] ARM is the UK's largest semiconductor IP company headquartered in Cambridge, England, and was acquired by SoftBank Group for £24.3 billion in 2016.

[5] He went on to study for a master's degree from the School of Computer Science at the University of Manchester in 1996 on low power microprocessor design in the ARM6 chip, supervised by Steve Furber.

[4] After working for Standard Telephones and Cables, Segars joined ARM in 1991 as its 16th employee.

[2][7][3] He is a member of the board of directors at Electronic Design Automation Ltd, the EDA Consortium, the Global Semiconductor Alliance and Dolby Laboratories Inc.[3] In February 2022, Rene Haas succeeded Segars as CEO, with Segars leaving Arm.

[18] In 2016, Segars was named the UKtech50 most influential person in UK Information technology by Computer Weekly.