Nathan is Radiation Shielding Consultant with an MSc in Physics and Technology of Nuclear Reactors. He has been involved in Radiation Shielding and Characterisation projects and has been taking part in outreach programmes since joining the company. Nathan is experienced in using Computational Solid Geometry and CAD to build and edit geometries for use in calculations. His calculation experience includes the use of MCNP and SCALE in assessments for shield doors, cracks in concrete walls and the shielding of electrical conduits. Nathan is also experienced at Shielding Verification Testing and has supported multiple site visits to carry out critical examinations. Nathan has gained experience in dose uptake calculations, labyrinth design, and machine learning through his work with other clients. He is also presently engaged in internal company training.