Sallie Baliunas, Ph.D. is astrophysicist and senior scientist at the George C. Marshall Institute, an astrophysicist at the Harvard-Smithsonian Center for Astrophysics in the Solar, Stellar, and Planetary Sciences Division, and formerly deputy director of the Mount Wilson Institute. Her awards include the Newton Lacey Pierce Prize by the American Astronomical Society, the Petr Beckman Award for Scientific Freedom and the Bok Prize from Harvard University. In 1991 Discover magazine profiled her as one of America’s outstanding women scientists. Among other research interests, she studies solar variability and global change. Baliunas received her M.A. and Ph.D. in astrophysics from Harvard University.