Andrea M. Ghez

Andrea M. Ghez is a Distinguished Professor of Physics and Astronomy at the University of California, Los Angeles (UCLA), holding the Lauren B. Leichtman & Arthur E. Levine Chair in Astrophysics. As founding director of the Galactic Center Orbits Initiative and head of UCLA's Galactic Center Group, she pioneered observational evidence for the Milky Way's supermassive black hole, earning the 2020 Nobel Prize in Physics as the fourth woman in history to receive this honor.

Her educational background includes:

• B.S. in Physics from MIT (1987)
• Ph.D. in Physics from Caltech (1992)

Ghez's research centers on observational astrophysics, specifically stellar dynamics at the Galactic Center. She employs high-resolution infrared imaging to track star orbits around Sagittarius A*, enabling tests of general relativity in extreme gravity and investigations into black hole formation mechanisms. Her work bridges theoretical physics and cutting-edge astronomical instrumentation, with significant contributions to adaptive optics technology for ground-based telescopes.

Analysis of her publication record reveals a quarter-century focus on precision astrometry of Galactic Center stars, evolving from initial black hole evidence toward relativistic effect detection and young star formation paradoxes. This trajectory demonstrates increasing measurement precision driving new physics frontiers in gravitational studies.

Her major scientific awards include:

• Nobel Prize in Physics (2020)
• Crafoord Prize in Astronomy (first woman recipient in any field)
• Bakerian Medal from the Royal Society of London
• MacArthur Fellowship
• Membership in the National Academy of Sciences, American Academy of Arts & Sciences, and American Philosophical Society

Ghez actively mentors future scientists through UCLA's Galactic Center Group while securing observational time at premier facilities like the W.M. Keck Observatory. Her research is supported by major telescope consortiums and public contributions enabling next-generation instrumentation development for the Thirty Meter Telescope project.

She leads the Galactic Center Group and Galactic Center Orbits Initiative, collaborative teams developing advanced adaptive optics systems to overcome atmospheric distortion. These efforts involve international partnerships with observatory leadership committees focused on transforming black hole understanding through unprecedented observational clarity.