Dr. Foster is Professor of Circadian Neuroscience, Director of the Sleep and Circadian Neuroscience Institute (SCNi) and Head of the Nuffield Laboratory of Ophthalmology at the University of Oxford. He is also a Fellow at Brasenose College. Dr. Foster's research mainly focuses on how environmental light is detected and processed for the regulation of circadian rhythms, how circadian rhythms are generated, and what happens when these systems break down in disease and abnormal environmental conditions. Dr. Foster Chairs the Royal Society Public Engagement Committee, The Cheltenham Science Festival and is a Trustee of the Science Museum Group. He contributes to radio, television and newspaper articles, including the BBC, NPR, the Guardian, and the He has co-written three popular science books, and is working on his fourth, including: Sleep, a very short introduction, Circadian Rhythms a very short introduction, and Rhythms of Life: the biological clock that controls the daily lives of every living thing.