A computer programmer who has been a key figure in the development of Linux. He maintained the 2.2 branch of the Linux kernel and continues to be heavily involved in its development, an association that dates back to 1991. He lives in Swansea, Wales, where he lived with his wife Telsa Gwynne, who died in 2015 and now lives with author Tara Neale, whom he married in 2020. He graduated with a BSc in Computer Science from Swansea University in 1991 and received an MBA from the same university in 2005.