Cosmin leads BRE’s work on electric lighting. He leads and undertakes consultancy and research projects for public and private sector customers into all aspects of electric lighting and daylighting. His areas of expertise include: energy efficient lighting; lighting impacts on well-being and performance; lighting surveys and optimisation; POE studies; light pollution; computer modelling of daylight and electric light; and delivering presentations and training on lighting. He has published various papers and books on lighting, including a report on lighting and health and a guide for retail lighting. Cosmin is a WELL Accredited Professional and carries out research, measurements and computer modelling work in relation to the WELL Building Standard with a particular emphasis on the Light criteria.