Astrophysics Theorist

Raphael Bousso


Raphael Bousso received his Ph.D. from Cambridge University in 1998 and went on to become a Postdoc at Stanford University. He also worked at the Kavli Institute for Theoretical Physics in Santa Barbara. In 2002/03 he was a fellow at the Harvard University physics department and the Radcliffe Institute for Advanced Study. In July 2003 he joined the physics department at UC Berkeley.

Research Interests

My interests are in theoretical cosmology and quantum gravity.

The central principles of quantum mechanics and of general relativity (our classical theory of gravity) come into...

Uros Seljak


Uros Seljak joined Berkeley as a faculty in 2008, jointly appointed with LBNL. He received his B.S. in 1989 and M.S. in 1991 from Ljubljana University, Slovenia and his PhD in 1995 from MIT. He was a Smithsonian Fellow at Harvard-Smithsonian Center for Astrophysics from 1995 to 1998. Subsequently he served as a faculty at Princeton University, ICTP Trieste and Zurich University. He is the recipient of the David and Lucile Packard Fellowship in Science and Engineering (2000), the Alfred P. Sloan Fellowship (2001), the Helen B. Warner award of American Astronomical Society (2001) and the NSF...

Christopher McKee

Professor Emeritus

Chris McKee received his Ph.D. in Physics from UC Berkeley in 1970. After a brief stay at Lawrence Livermore National Laboratory, he spent a year as a postdoc at Caltech. He then went to Harvard as an assistant professor of astronomy for three years, and in 1974 he joined the Physics and Astronomy Departments here at Berkeley. He served as the first Director of the Theoretical Astrophysics Center in 1985, and from 1985-1998 he directed the Space Sciences Laboratory. He was Chair of the Physics Department from 2000-2004, Interim Dean of Mathematical and Physical Sciences in 2014...

Jonathan Arons

Professor Emeritus

Jonathan Arons earned his Ph.D. in Astronomy from Harvard in 1970. He was a postdoctoral fellow at the Princeton University Observatory in 1970-71, and at the Institute for Advanced Study in 1971-72. He joined the Astronomy Department at UC Berkeley in 1972, and the Physics Department in 1980. Fellowships and honors include: Woodrow Wilson and Danforth Graduate Fellowships, 1965-70; Guggenheim Fellowship, 1980; Miller Professorships, 1985-86 and 2002-03; elected as an APS Fellow in 1984. He currently serves as Executive Director of the Miller Institute and as Director of the Theoretical...

Liang Dai

Assistant Professor

Prof. Dai received a B.S. in Physics from Peking University in 2011. Later on, he earned his Ph.D. in Physics from the Johns Hopkins University in 2015 working on theoretical cosmology. From 2015 to 2018, he was awarded an NASA Einstein fellowship and was appointed a postdoctoral Member at the Institute for Advanced Study in the School of Natural Sciences. From 2018 to 2020, he was a long-term John Bahcall postdoctoral fellow at the Institute for Advanced Study, before he joined the faculty in the Department of Physics at the University of California, Berkeley.

Research Interests


Benjamin Safdi

Assistant Professor

Benjamin Safdi received his undergraduate degree from the University of Colorado at Boulder, a Master of Advanced Study from Cambridge University, as a Churchill Scholar, and his PhD from Princeton University in 2014. He was then a Pappalardo Fellow in physics at the Massachusetts Institute of Technology until 2017, when he started as an assistant professor at the University of Michigan, Ann Arbor. Dr. Safdi moved to LBNL in 2020 and then to UC Berkeley in 2021. He received the Department of Energy Early Career Award in 2018 and the IUPAP C11 Young Scientist Prize in Particles and Fields...

Dan Kasen

Associate Professor

Prof. Kasen received his B.S. from Stanford University and his M.S. and Ph.D. in physics from UC Berkeley. Prior to returning to Cal, he was the Alan C. Davis fellow at Johns Hopkins University and a Hubble fellow at UC Santa Cruz. He joined the Berkeley physics faculty in 2010, jointly appointed with the nuclear science division at LBNL.

Martin White


Martin White received his B.S. in 1988 from the University of Adelaide and his Ph.D. in 1992 from Yale. After postdoctoral positions at the CfPA in Berkeley and an Enrico Fermi Fellowship in Chicago he became Assistant Professor of Physics and of Astronomy at UIUC. In 1998 he became an Assistant Professor of Astronomy at Harvard before moving to Berkeley as a Professor of Physics in 2001.

Research Interests

I am a theorist and phenomenologist. While I originally trained in Particle Physics, in the last few years my interest has centered around the question of the formation of...

Chung-Pei Ma

Judy Chandler Webb Professor of Astronomy, Physics

C-P Ma received both her undergraduate and Ph.D. degrees in physics from the Massachusetts Institute of Technology. Before joining the faculty at UC Berkeley in 2002, she was a postdoctoral fellow at the California Institute of Technology and an Assistant and Associate Professor of Physics and Astronomy at the University of Pennsylvania, where she won the Lindback Award for Distinguished Teaching. Ma is an avid violin player and was an exchange student at the New England Conservatory of Music in Boston while studying cosmic strings and theoretical cosmology at MIT. She was the first prize...

Wick Haxton


Wick Haxton received his B.A. from UC Santa Cruz in 1971 and his Ph.D. from Stanford in 1976. He spent most of his early research career in the Los Alamos Theory Division, where he was a J. Robert Oppenheimer Fellow and later a staff member. He moved to the University of Washington in 1984 as Professor and, for 15 years, Director of the Department of Energy’s Institute for Nuclear Theory. In 2009 he joined UC Berkeley as Professor of Physics and Lawrence Berkeley Laboratory as Senior Faculty Scientist. His research interests include neutrino physics, nuclear astrophysics, tests of...