Daniel Shiu is the Chief Cryptographer at Arqit. Daniel worked for GCHQ, the UK’s intelligence, cyber, and security agency for 20 years. He was the UK’s Head of Cryptographic Design and Quantum Information Processing, part of the initial National Technical Authority function assumed by the new National Cyber Security Centre (NCSC). Daniel also served as Head of the Heilbronn Institute for Mathematical Research (HIMR), which is a linchpin of the government’s “Advanced Mathematics” strategy. Daniel represented GCHQ in helping to found and direct the National Quantum Technologies Programme.