Guillermo Gonzalez is an Assistant Professor of Astronomy at Iowa State University, He received his Ph.D. in Astronomy in 1993 from the University of Washington. He has done post-doctoral work at the University of Texas, Austin and at the University of Washington and has received fellowships, grants and awards from such institutions as NASA, the University of Washington, Sigma Xi (scientific research society) and the National Science Foundation.

Dr. Gonzalez has extensive experience in observing and analyzing data from ground-based observatories, including work at McDonald Observatory, Apache Point Observatory and Cerro Tololo Interamerican Observatory. He has also published over sixty articles in refereed astronomy and astrophysical journals including Astronomy and Astrophysics, Monthly Notices of the Royal Astronomical Society, Astrophysical Journal and Solar Physics. His current research interest in astrobiology focuses on the "Galactic Habitable Zone" and captured the October 2001 cover story of Scientific American.

Another area of his research is focused on analyzing and interpreting ground-based photometric and spectroscopic observations of low and intermediate mass stars in relation to current theories concerning the late stages of stellar evolution and the formation and evolution of planetary systems.