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Julianne Dalcanton is the director of the Flatiron Institute’s Center for Computational Astrophysics (CCA) at the Simons Foundation. Her research specializes in the origins and evolution of galaxies.

Dalcanton has worked with the Hubble Space Telescope (HST) to dissect images of nearby galaxies into millions of stars. Through these efforts, she has become one of the largest single users of the Hubble Space Telescope, most notably as principal investigator of a large HST Multicycle Treasury.

Prior to joining the Simons Foundation, Dalcanton served as professor of and chair of astronomy and an adjunct professor of physics at the University of Washington.

In addition to her research programs, Dalcanton has been widely involved in community governance and planning. She is currently serving on the steering committee of the Astro2020 Decadal review, after being vice chair of the Nearby Science Frontier Committee during the Astro2010 Decadal review. She has also previously been a member of NASA’s Cosmic Origins Program Analysis Group, the National Optical Astronomy Observatory’s Optical-NIR Long Range Planning Committee, and the Science Advisory Committee of the Giant Magellan Telescope, in addition to being a co-lead of the AURA “From Cosmic Birth to Living Earths” study of a possible next-generation large space telescope. Dalcanton has served as vice-chair of the Space Telescope Science Institute Council, a member of the Collaboration Advisory Council of the Sloan Digital Sky Survey (SDSS), chair of the SDSS Galaxy Working Group and a member of the AURA nominating committee.

She earned a Ph.D. in astrophysical sciences from Princeton University and a bachelor’s degree in physics from the Massachusetts Institute of Technology. She completed postdoctoral training at the Observatories of the Carnegie Institution of Washington. As a third-generation teacher, Dalcanton is equally committed to education and outreach. She has taught more than 1,500 students, and regularly participates in outreach events. She has also written for popular science outlets, including Discover.