Welcome to my Cambridge webpages!
I hold the Lowndean Chair of Astronomy and Geometry at the University of Cambridge in the Department of Pure Mathematics and Mathematical Statistics (DPMMS).
I am also a member of the Relativity and Gravitation Group of DAMTP, the Centre for Theoretical Cosmology, the Cambridge Centre for Analysis, the Princeton Gravity Initiative and the Institute for Applied and Computational Mathematics, in Heraklion, Crete.
Click here for my Princeton webpage.