Chris Impey is a University Distinguished Professor and Deputy Head of the Department of Astronomy at the University of Arizona, Tucson. His research interests are observational cosmology, gravitational lensing and the evolution and structure of galaxies. He is a past Vice President of the American Astronomical Society, a Fellow of the AAAS and has been NSF Distinguished Teaching Scholar, Phi Beta Kappa Visiting Scholar and the Carnegie Council on Teaching's Arizona Professor of the Year.