in the Department of Radiology at Northwestern
University's Feinberg School of Medicine in Chicago since
in the Biosciences Division at Argonne National
Laboratory for 15 years, most recently as Senior
NASA's peer review radiation biology
NIH's radiation study section
National Academy of Science's Committee on Radiofrequency
become course director of the "Epic of Creation" series
at the University of Chicago in 2004.
of the molecular basis of radiation responses and on the
development of approaches to imaging radiation-activated
nanoparticles in mammalian cells, particularly using
synchrotron X-ray sources.