Ollie’s career in cyber security has spanned more than 27 years prior to becoming the NCSC's Chief Technology Officer in late 2023. He has held senior science and technology advisory roles to the UK government for the last decade, including serving as the current Chair for the DSIT Cyber Technology External Advisory Group. Prior to joining the NCSC Ollie had an extensive career within the private sector including his most recent roles as Chief Technical Officer at NCC Group, non-executive Director to PortSwigger and Interrupt Labs and advisor to 1011 Venture Capital.

At the NCSC, Ollie is responsible for maintaining the NCSC’s status as the National Technical Authority for cyber security and is influential in diversifying the pipeline of expert talent and anticipating the technological capabilities of tomorrow.