Hassan Jawahery is an Iranian-American physicist and former spokesperson for the BaBar Collaboration. He received his B.S. in Physics from Tehran University in Iran and his Ph.D. in Physics from Tufts University. He is a professor of Physics at the University of Maryland and has worked on OPAL, CLEO, BaBar, SuperB, LHCb and the PDG. The BaBar Collaboration comprises about 600 physicists from institutions in 10 countries, and his position as its spokesman has made him internationally known. He is also an editor of the Annual Review of Nuclear and Particle Science.