Leadership
Argonne integrates world-class science, engineering, and user facilities to deliver innovative research and technologies. We create new knowledge that addresses the scientific and societal needs of our nation.

Eric D. Isaacs
Eric D. Isaacs, Director, Argonne National Laboratory
Director, Argonne National Laboratory

Eric D. Isaacs, a prominent University of Chicago physicist, is President of UChicago Argonne, LLC, and Director of Argonne National Laboratory.

Mark Peters
Mark Peters, Deputy Lab Director for Programs
Deputy Laboratory Director for Programs

As Deputy Laboratory Director for Programs, Mark Peters is responsible for the management and integration of the Laboratory’s science and technology portfolio, strategic planning, Laboratory Directed Research and Development and technology transfer.

Paul Kearns
Paul Kearns, Deputy Lab Director for Operations and Chief Operations Officer
Deputy Laboratory Director for Operations and Chief Operations Officer

Paul K. Kearns is Deputy Laboratory Director for Operations and Chief Operations Officer for the U.S. Department of Energy's Argonne National Laboratory. He brings nearly three decades of management experience to the position, as well as a strong background in science and engineering.

Peter B. Littlewood
Peter B. Littlewood, Associate Laboratory Director, Physical Sciences and Engineering
Associate Laboratory Director

Peter B. Littlewood is Associate Laboratory Director for Physical Sciences and Engineering (PSE). A physicist by training, Littlewood is responsible for Argonne's fundamental science capabilities in materials science, nanoscience, chemical sciences and engineering, physics and high energy physics. He works with Argonne senior leadership to manage and integrate the laboratory's strategies, with a particular focus on materials for energy.

Alfred P. Sattelberger
Alfred P. Sattelberger, Associate Laboratory Director, Energy Engineering and Systems Analysis
Associate Laboratory Director

Alfred P. Sattelberger is Associate Laboratory Director for Energy Engineering and Systems Analysis (EESA). Sattelberger oversees Argonne’s programs in energy research—including energy storage, renewable energy, energy efficiency and nuclear energy—and national security.

G. Brian Stephenson
G. Brian Stephenson, Associate Laboratory Director, Photon Sciences
Associate Laboratory Director

G. Brian Stephenson is Associate Laboratory Director for Photon Sciences (PSC).

Rick Stevens
Rick Stevens, Associate Laboratory Director, Computing, Environment and Life Sciences
Associate Laboratory Director

Rick Stevens is Associate Laboratory Director for Computing, Environment and Life Sciences (CELS).