Question: What is the name of this U.S. astrophysicist at the Lawrence Berkeley National Laboratory and a professor of physics at the University of California, Berkeley, and executive director and faculty director of Berkeley Institute of Data Science?
Sentence (from "Berkeley Institute for Data Science"): The organization has an executive director and a faculty director, Saul Perlmutter, who won the 2011 Nobel Prize in Physics.
Relevant evidence: Yes