Northwestern University

Distinguished Research Professor, University of Calgary

Professor, Quantitative Methods, Vanderbilt University

Regents and Foundation Professor of Psychology, Arizona State University

Professor of Astrophysics and Cosmology, Imperial College London

Professor of Astroparticle Physics

Chargé de recherches, Laboratoire Lagrange, Observatoire de la Côte d'Azur

Tenured Scientist, Instituto de Física de Cantabria, IFCA

Professor of Quantitative Software Engineering, Keele University

Research Mathematical Statistician, Centers for Disease Control and Prevention