Professor of Building Performance Analysis, MEng MSc PhD CEng FCIBSE FIBPSA Director of the Institute for Environmental Design and Engineering (IEDE), The Bartlett School of Environment, Energy and Resources (BSEER), The Bartlett (Faculty of the Built Environment) Co-founder of CIBSE School Design Group (a specialist group interested in school building design, construction and operation) and the editor of CIBSE TM57 Integrated School Design (2015, 2024). The author of the Indoor Air Quality Report commissioned by the Mayor of London.