Steven Dierker
Associate Laboratory Director for Light Sources,
NSLS-II Project
Director
 Steven Dierker is the Associate Laboratory
Director for the Light Sources Directorate and the Director of the National
Synchrotron Light Source II (NSLS-II) Project at Brookhaven National
Laboratory (BNL). As NSLS-II Project Director, he has overall line
management responsibility and authority for carrying out the NSLS-II
Project, including the design, construction, and transition to operations of
the NSLS-II facility to ensure all mission requirements are fulfilled in a
safe, cost-efficient, and environmentally responsible manner. In addition to
the NSLS-II Project, the Light Sources Directorate also includes the
National Synchrotron Light Source (NSLS), which reports to Dr. Dierker.
After earning B.S. degrees in both physics and electrical engineering in
1977 from Washington University, Dierker earned both an M.S. and Ph.D. in
physics from the University of Illinois, Urbana-Champaign, in 1978 and 1983,
respectively. His Ph.D. research involved the first observation of Raman
scattering from superconducting gap excitations, which has now become a
widespread and powerful technique for investigating the physics of
superconductors.
In 1983, he joined the Semiconductor and Chemical Physics
Research Department at AT&T Bell Laboratories and carried out research using
light scattering and neutron scattering to study problems in soft condensed
matter, most notably the hexatic phase of freely suspended liquid crystal
films and activated dynamics of binary fluids in porous media.
In 1990, he
joined the University of Michigan, where he was Professor of Physics and
Applied Physics. At Michigan, he pioneered the development of the new
technique of X-ray Photon Correlation Spectroscopy (XPCS) and carried out
the first convincing demonstration of the feasibility of this technique in a
study of Brownian motion of gold colloids. Dierker has been an active member
of the Advanced Photon Source (APS) Users Organization at Argonne National
Laboratory, chairing that organization from 1998-2000. He also helped to
plan the construction, design and operation of beam lines at the APS, with
funding from the U.S. Department of Energy and the National Science
Foundation.
In 2001, Dierker joined BNL to become Chair of the NSLS, which
has a $36M annual operating budget, a staff of 200, and serves more than
2200 users per year. He became the Associate Laboratory Director for the
Light Sources Directorate at BNL when that Directorate was created in 2003.
He also continued to serve as the Chair of the NSLS until he stepped down
from that position to become the Director of the NSLS-II Project in
December, 2005.
Last Modified: January 31, 2008
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