• 2012
Electron Controlled Chemical Lithography, Stykkishólmur, Iceland
  • 2010
Universität Bremen, Bremen, Germany 
  • 2010
Jacobs University, Bremen, Germany
  • 2009
XVI International Symposium on Electron Molecule Collisions and Swarms, Toronto, Canada
  • 2006
Northeast American Vacuum Society Annual Meeting, Burlington, MA
  • 2005

University of Massachusetts Chemistry Colloquia, Lowell, MA

  • 1998

Research Needs and Opportunities in Radiation Chemistry Workshop, Chesterton, In Department of Energy, Office of Basic Energy Sciences.

  • 1998

Gordon Research Conference on Radiation Chemistry, Newport, RI.

  • 1996
Radiation Research Society National Meeting, Chicago, IL.
  • 1993

Amherst College Chemistry Colloquia, Amherst, MA.

  • 1991

Northeastern University Chemistry Colloquia, Boston, MA.

  • 1990

AT&T Bell Laboratories, Murray Hill, NJ.