Steven E. Koonin

Steven E. Koonin
Director of the Center for Urban Science and Progress, New York University
In office
April 2012  ?
2nd Under Secretary for Science
In office
May 2009  November 2011
PresidentBarack Obama
Preceded byRaymond L. Orbach
7th Provost of Caltech
In office
February 1995  March 2004
Preceded byPaul C. Jennings
Succeeded byEdward Stolper (acting)
Personal details
Born (1951-12-12) December 12, 1951
Brooklyn, New York
SpouseLaurie Koonin
Children3
Alma materB.S., California Institute of Technology
Ph.D., Massachusetts Institute of Technology
Steven E. Koonin
Scientific career
ThesisHydrodynamic approximations to time-dependent Hartree-Fock (1975)
Doctoral advisorArthur Kerman

Steven Elliot Koonin (born December 12, 1951) is an American theoretical physicist and former director of the Center for Urban Science and Progress at New York University. He is also a professor in the Department of Civil and Urban Engineering at NYU's Tandon School of Engineering. From 2004 to 2009, Koonin was employed by BP as the oil and gas company’s Chief Scientist. From 2009 to 2011, he was Under Secretary for Science, Department of Energy, in the Obama administration. In 2024, he became the Edward Teller Fellow at Stanford University's Hoover Institution.