Don holds a personal chair as a Professor and has been Head of the Centre for Advanced Computational Solutions (C-fACS) at Lincoln university since 1999. The research theme is to understand the mathematical basis for biological and environmental phenomena based on physics broadly construed to assimilate data-driven machine learning and AI in phenomenological models. He has been a Visiting Professor at the Wolfson Centre for Mathematical Biology, Mathematical Institute, Oxford University, the UK, since 2008. He was also a visiting professor at Mathematics Department, Princeton University, USA, and the Mechanics and Computation Division, Stanford University, USA and a New Zealand Centre at Peking University Fellow in 2018, and a Fellow of the Modelling and Simulation Society of Australia and New Zealand (MSSANZ). Don has supervised and co-supervised 55 PhD students and 15 Masters students over the last 30 years. He is currently involved with 16 PhD students in different supervisory roles within Lincoln University. He was a member of the PBRF panel for Mathematics, Information Science and Technology (MIST) in 2012. He co-authored over 190 publications and 6 research monographs with leading international publishers.