John Billingsley

John Billingsley is a radiation shielding specialist with more than 6 years’ experience in the nuclear industry. Since joining Cerberus Nuclear in 2021, he has led the delivery of shielding and activation assessments for a wide range of high-profile projects spanning civil nuclear, defence, decommissioning, waste management, fusion, high-energy facilities, and new build programmes.

John has a broad technical capability and experience across shielding design, material activation, criticality dose consequence assessment, and CWS placement. He is an advanced user of radiation transport codes, including MCNP, OpenMC, SCALE, and PHITS, and is experienced in Python-based workflows, software development, and collaborative working practices.

John is currently the Secretary of The Shielding Forum and is an active member of the nuclear professional community, having presented at multiple international conferences, contributed to notable open-source neutronics projects, and delivered postgraduate training through the EPSRC Fusion CDT and NTEC programmes.