He is an original co-author of OpenFOAM, and founded Wikki Ltd, a consultancy and software development in computational continuum mechanics in 2004. In addition to his academic work, he has extensive experience of working with industry, including roles as senior developer at CD-adapco, Technical Director at Nabla Ltd, and consultancy work for Fluent Inc. His research interests include numerical simulation methods, numerical simulations in naval hydrodynamics, adaptive error control, dynamic mesh handling, multiphase and free surface flows. Her work is focused on computational fluid dynamics, and her research interests include coupled solvers, linear solvers, block-structured meshing, matrix analysis, and algebraic multigrid.