A professor of Fluid Mechanics and a  distinguished Aerospace/Biotechnology/Fluid Mechanics Consultant with more than twenty-five years experience.  Knowledgeable in the areas of aerospace engineering, biotechnology, fluid mechanics, ballistics astronautics, computational physics, numerical science, biomechanical engineering, hydrodynamics, and numerous other sciences and technologies.


Has provided expert testimony as to his findings in courts of law.

Academic Background

  • Ph.D., Fluid Mechanics, The Johns Hopkins University, 1979
  • M.S., Numerical Science, The Johns Hopkins University, 1974
  • B.S., Mathematics/Physics, Rollins College, 1969


Awards and Honors

  • Who’s Who in America, 58th ed., 2004
  • Fellow, American Society of Mechanical Engineers, 2001
  • Fellow, American Physical Society, 1994
  • Associate Fellow, American Institute of Aeronautics and Astronautics, 1990
  • NSF Presidential Young Investigator Award, 1984-89
  • Alexander von Humboldt Research Fellowship, 1985-86


Professional Experience

  • Aerospace, Biotechnology and Fluid Mechanics Consultant, RTI Group, LLC, Annapolis, Maryland, 2006-present
  • Professor, Georgia Institute of Technology, The George W. Woodruff School of Mechanical Engineering, 1990-present; Chair, Fluid Mechanics Research Area, 1991-97
  • CNRS Professeur Invité, Université d’Aix-Marseille 2, Institut de Mécanique des Fluides, 1995
  • Professor, Arizona State University, Department of Mechanical and Aerospace Engineering, 1989-90; Associate Professor, 1983-89; Assistant Professor, 1979-83
  • Alexander von Humboldt Research Fellow, Universität Karlsruhe, Institut für Strömungslehre und Strömungsmaschinen, 1985-86
  • Visiting Professor, Imperial College of Science & Technology, Department of Mathematics, 1986
  • Aerospace Engineer, U.S. Army Ballistic Research Laboratory, Terminal Ballistics Division, Shaped Charge Branch, 1978-79
  • Aerospace Engineer, Launch and Flight Division, Fluid Dynamics Research Group, 1977-78
  • Aerospace Engineer, Exterior Ballistics Laboratory, Free-Flight Aerodynamics Branch, 1972-77
  • Mathematician, Exterior Ballistics Laboratory, Firing Tables Branch, 1969-72


Professional Associations and Activities

  • The American Physical Society (Fellow)
  • American Society of Mechanical Engineers (Fellow)
  • American Institute of Aeronautics and Astronautics (Associate Fellow)
  • American Association for the Advancement of Science
  • Sigma Xi, The Scientific Research Society
  • Pi Tau Sigma (honorary member)
  • Referee, Journal of Fluid Mechanics; The Physics of Fluids; The Physical Review; AIAA Journal; SIAM Journal on Applied Mathematics; Journal of Computational Physics; Journal of Fluids Engineering; Journal of Biomechanical Engineering; Physical Review Letters; Applied Physics Letters; International Journal of Multiphase Flow; Journal of Applied Mechanics; Biorheology; Journal of Aircraft; Journal of Crystal Growth; Fluid Dynamics Research; Chemical Engineering Science; Computers & Fluids; American Journal of Physics; Numerical Heat Transfer; Journal of Tribology; Metallurgical and Materials Transactions; European Journal of Mechanics B/Fluids; Theoretical & Computational Fluid Dynamics; International Journal of Thermal Sciences; Journal of Membrane Science
  • Reviewer, National Science Foundation; National Research Council, Army Research Office; National Aeronautics and Space Administration; US Department of Energy
  • Member, Space Station Utilization Advisory Subcommittee, NASA Advisory Council, 1995 – 1999
  • Chair, Discipline Working Group on Fluid Physics, NASA Office of Biological and Physical Research, 1997 – 2002 (Member, 1991 – 2004)
  • Member, Physical Sciences Advisory Subcommittee, NASA Office of Biological and Physical Research, 1997 – 2004
  • Member, ASME/Applied Mechanics Division Technical Committee on Mechanics of Materials Processing and Manufacturing
  • Organizing Committee, SIAM Fall Meeting, Arizona State University, Oct. 28-30, 1985
  • Organizing Committee, Fifth Taylor-Vortex Flow Working Party, Arizona State University, March 25-27, 1987
  • Member, Selection Committee, Otto Laporte Award, American Physical Society, 1989-91
  • Organizing Committee, Forty-Fourth Meeting of the Division of Fluid Dynamics, American Physical Society, Arizona State University, November, 1991
  • International Scientific Committee, Chapman Conference on Double-Diffusive Convection, Scottsdale, November, 1993
  • Co-Organizer, Symposium on Surface-Tension-Driven Flows, ASME Winter Annual Meeting, New Orleans, November, 1993
  • Chair, Organizing Committee, Forty-Seventh Meeting of the Division of Fluid Dynamics, American Physical Society, Georgia Institute of Technology, November, 1994
  • Organizing Committee, Ninth International Conference on Numerical Methods in Laminar and Turbulent Flow, Georgia Institute of Technology, July, 1995.
  • Scientific Committee, Joint Xth European and VIth Russian Symposium on Physical Sciences in Microgravity, St. Petersburg, Russia, June, 1997
  • Organizing Committee, Interfaces for the Twenty-First Century, Monterey, August, 1999
  • Member, Task Group on Institutional Arrangements for Space Station Research, Space Studies Board, National Research Council, 1999.
  • Member, Study Team, International Space Station Operations and Utilization Architecture Study, commissioned by NASA, 2000.
  • Member, On-Orbit Evaluation Board (International Space Station), NASA Johnson Space Flight Center, 2000-present
  • Organizing Committee, Conference on Selected Topics in Interfacial Phenomena in Physico-Chemical and Bio Processes (IMA Conference 2001, Giessen, Germany)
  • External Advisory Board, Space Medicine and Life Sciences Research Center, Morehouse School of Medicine, 2000-present
  • Vice Chair, Gordon Conference on Gravitational Effects in Physico-Chemical Systems, July, 2003
  • Co-Chair Minisymposium on Microgravity Flow Phenomena, International Congress on Theoretical and Applied Mechanics, Warsaw, Poland, August, 2004
  • Chair, Gordon Conference on Engineering Sciences for Space Exploration, August, 2005
  • Chair, Acrivos Dissertation Award Committee, American Physical Society, 2006