It is a subdivision of the Elementary Particle Physics (EPP) Division at SLAC.
[1] The group has a diverse research program, specializing in areas of quantum field theory, beyond the standard model physics, dark matter, neutrinos, and collider phenomenology.
The group is currently led by 9 faculty members, and has a dozen postdoctoral researchers and students at any given time.
[2] Notable physicists who were students or postdoctoral researchers in the SLAC Theory Group include Nima Arkani-Hamed, Thomas Appelquist, Mirjam Cvetic, Michael Dine, John Ellis, Rouven Essig, Edward Farhi, Steven Frautschi, Joshua Frieman, Roscoe Giles, Yuval Grossman, Jack F. Gunion, Alan Guth, Howard Haber, Claude Itzykson, Robert Jaffe, David E. Kaplan, Igor Klebanov, Peter Lepage, Christopher Llewellyn Smith, Kirill Melnikov, Stephen Parke, Maxim Perelstein, Joel Primack, Joseph Polchinski, Davison Soper, Henry Tye, Mark Wise, and Tung-Mow Yan.
Current and former faculty members in the SLAC Theory Group include:[2]