Assistant Professor of Building Technology, Dept of Architecture, Massachusetts Institute of Technology.
  Assistant Professor of Finance, Graudate School of Business, University of Chicago. Winner of 1997 Emory Williams Award for Excellent in Teaching.
  Assistant Professor, School of Public Health, UC Berkely.
  National Heart, Lung and Blood Institute.
  Associate Professor of Physics, Arizona State University.
  Associate Professor of Electrical Engineering, Arizona State University. Recipient of 1995 NSF/White House Presidential Faculty Fellow, 1995 Motorola Excellence Award, etc.
  Assist Judge in Hearing and Trials, U.S. Court of Federal Claims.
  Associate Professor of Chemical Engineering, California Institute of Technology. Recipient of 1996 Alfred Sloan Award and 1995 Richard M. Badger Teaching Prize.