• Observational cosmology, studies of galaxy formation, and the high redshift Universe.
• Active galactic nuclei (AGN), in particular their host galaxies, and their influence on galaxy evolution.
• Radio astronomy, the cosmic evolution of radio sources, their growth, and radio source shocks
• Star-forming galaxies at high redshift, and the star-formation history of the Universe
• Clusters and groups of galaxies, and the effect of environment on the nature and properties of galaxies.
  
  

I have designed, organised and lectured a number of different courses, from pre-honours to Masters level, as well as serving on the School's Teaching Committee for five years, and being Senior Director of Studies of four years. Currently, I organise and lecture the SH/IM level course "High Energy Astrophysics" as well as leading the "Telescope Group Project" and supervising Senior Honours and Integrated Masters projects.

I am currently Head of the Institute for Astronomy