Rogier Arnold Windhorst (born 1955) is an astronomer and a professor of physics and astronomy at Arizona State University. He received his Ph.D. in astronomy in 1984 from the University of Leiden and did post doctorate work at Mt.Wilson and Las Campanas Observatories. He currently serves as associate chair at Arizona State and is among six Arizona state faculty who were awarded Regents Professor appointments in 2006; he presides over the School of Earth and Space Exploration at the university. In 2008, he became Foundation Professor of Astrophysics at Arizona State University and co-director of the ASU Cosmology Initiative.
