INVITED LECTURES AND PRESENTATIONS (updated 01-19-2018)

1. University of Maryland (Chemistry Dept.), College Park, MD, 05/01/85.

2. National Bureau of Standards (Molecular Spectroscopy Division) Gaithersburg, MD, 05/02/85.

3. University of Colorado, (Chemistry Dept. and JILA) Boulder, CO, 05/10/85.

4. California Institute of Technology (Chemistry Dept.) Pasadena, CA, 05/13/85.

5. University of California (Chemistry Dept.) Irvine, CA, 05/15/85.

6. Semiconductor Research Corporation Contractor's Meeting, Durham, NC, 06/17-18/85.

7. Workshop on Electronic Materials, University of Delaware, Newark, DE, 06/24-25/85.

8. Brown University (Chemistry Dept.) Providence, RI, 09/26/85.

9. Wesleyan University (Chemistry Dept.) Middletown, CT, 09/27/85.

10. University of Pittsburgh (Chemistry Dept.) Pittsburgh, PA, 12/05/85.

11. Naval Research Laboratory (Chemistry Division) Washington, DC, 02/14/86.

12. Yale University (Chemistry Dept.) New Haven, CT, 02/18/86.

13. University of Illinois (Chemistry Dept.) Champaign-Urbana, IL, 02/19/86.

14. Pennsylvania State University (Chemistry Dept.) University Park, PA, 03/21/86.

15. Loyola College (Chemistry Dept.) Baltimore, MD, 03/25/86.

16. Harvard University (Chemistry Dept.) Cambridge, MA, 04/09/86.

17. Air Force Geophysical Laboratory (Hanscom Field) Bedford, MA, 04/10/86.

18. Brandeis University (Chemistry Dept.) Waltham, MA, 04/10/86.

19. Symposium on Structure, Spectroscopy, and Dynamics of Atomic, Molecular, and Ionic Clusters (ACS National Meeting) New York, NY, 04/14/86.

20. American Vacuum Society (Meeting of the New Mexico Section) Albuquerque, NM, 04/30/86.

21. Columbia University (Chemistry Dept.) New York, NY, 05/13/86.

22. City College of New York (Chemistry Dept.) New York, NY, 05/14/86.

23. Gordon Conference on Water and Aqueous Solutions, New London, NH, 08/4-8/86.
24. Montedison Conference on Science and Technology, Washington, DC, 11/6-7/86.

25. Georgetown University (Chemistry Dept.) Washington, DC, 11/19/86.

26. Georgia Institute of Technology (Physics Dept.) Atlanta, GA, 11/15/86.

27. State University of New York at Stony Brook (Chemistry Dept.) Stony Brook, NY, 12/05/86.

28. Boston University (Chemistry Dept.) Boston, MA, 04/29/87.

29. Princeton University (Chemical Physics seminar) Princeton, NJ, 05/21/87.

30. Universität Konstanz (Physics Dept.) Konstanz, Germany, 06/26/87.

31. Universität Freiburg (Physics Dept.) Freiburg, Germany, 06/29/87.

32. Universität Basel (Physical Chemistry Dept.) Basel, Switzerland, 07/01/87.

33. Universität Innsbruck (Physics Dept.) Innsbruck, Austria, 07/06/87.

34. Gordon Conference on Metal and Semiconductor Clusters, Holderness School, Plymouth, NH, 08/03-08/87.

35. Symposium on Bound and Temporary Anions in Chemical Systems (National ACS Meeting) New Orleans, LA, 08/31-09/4/87.

36. University of Maryland at Baltimore County (Chemistry Dept.) Catonsville, MD, 11/17/87.

37. International Workshop on the Structure of Small Molecules and Ions (Weizman Institute) Jerusalem, Israel, 12/13-18/87.

38. Fordham University (Chemistry Dept.) Bronx, NY, 03/30/88.

39. University of Minnesota (Chemistry Dept.) Minneapolis, MN, 04/11/88.

40. University of Mississippi (Chemistry Dept.) Oxford, MS, 04/15/88.

41. Mid-Atlantic Regional Meeting-ACS, Cluster Symposium, Lancaster, PA, 05/24/88.

42. The Conference on the Chemical Physics of Atomic and Molecular Clusters (Enrico Fermi Summer School of Physics sponsored by Italian Physical Society) Varenna, Italy, 06/28/88-07/05/88.

43. Fourth International Symposium on Small Particles and Inorganic Clusters, Aix-en-Provence (Marseilles) France, 07/05-08/88.

44. Gordon Conference on Radiation Chemistry, Newport, RI, 07/11-15/88.

45. Faraday Division of the Royal Society of Chemistry Discussions (Low Temperature Spectroscopy) University of Exeter, Exeter, UK, 09/13-15/88.

46. University of Sussex (School of Molecular Science), Brighton, UK, 09/16/88.

47. Symposium on the Chemistry of Metal and Semiconductor Clusters (ACS National Meeting) Los Angeles, CA, 09/25-30/88.

48. University of Pennsylvania (Chemistry Dept.) Philadelphia, PA, 12/08/88.

49. University of Virginia (Chemistry Dept.) Charlottesville, VA, 2/17/89.

50. University of Delaware (Chemistry Dept.) Newark, DE, 2/27/89.

51. Symposium on Structure, Properties, and Dynamics of Clusters: Theory and Experiment (ACS National Meeting) Miami, FL, 09/10-15/89.

52. Pacifichem '89, Symposium on the Structure and Dynamics of Small Clusters (ACS Meeting) Honolulu, HI, 12/17-22/89.

53. Virginia Commonwealth University (Physics Dept.) Richmond, VA, 03/23/90.

54. Universite Paris Nord (Physics Dept.) 4/~10/90.

55. Harvard University (Chemistry Dept.) Cambridge, MA, 04/25/90.

56. City College of New York (Condensed Matter Physics Seminar) New York, NY, 05/14/90.

57. Virginia Commonwealth University Cluster Workshop, Richmond, VA, 5/16/90.

58. Boston University (Physics Dept.) Boston, MA, 5/~20/90.

59. Conference on Aerosols and Obstruation Research, Aberdeen, MD, 6/~20/90.

60. Symposium Commemorating the Discovery of the Hydrated Electron, Argonne National Laboratory, Argonne, IL, 07/16-17/90.

61. International Gordon Conference on Clusters, Volterra, Italy, 09/2-7/90.

62. International Symposium on Small Particles and Inorganic Clusters, Konstanz, Germany, 9/10-14/90.

63. Universite Paris Nord, Laboratoire de Physique des Lasers, 9/90.

64. Asilomar Conference on Mass Spectrometry, Pacific Grove, CA, 09/23-27/90.

65. Materials Research Society Conference, Boston, MA, 11/26-30/90.

66. Ohio State University (Chemistry Dept.) Columbus, OH, 3/91.

67. University of New Mexico (Chemistry Dept.) Albuquerque, NM, 4/91.

68. University of Nevada (Chemistry Dept.) Reno, NE, 4/91.

69. University of Utah (Chemistry Dept.) Salt Lake City, UT, 4/91.

70. University of Nevada (Physics Dept.) Las Vegas, NE, 4/91.

71. ARCO Chemical Company, Newton Square, PA, 5/91.

72. Materials Research Seminar, Johns Hopkins University, MD, 5/91.

73. International Symposium on Small Particles and Inorganic Clusters, Chicago, IL, 9/16-22/92.

74. Finite Systems Conference, Richmond, VA, 11/19-22/92.

75. Catholic University of America (Chemistry Dept.) Washington, DC, 12/4/92.

76. Laser Techniques for State-Selected Chemistry, Los Angeles, CA, 1/21-23/93.

77. University of New Hampshire (Physics Dept.) Durham, NH, 4/5/93.

78. Jerusalem Conference on Quantum Chemistry and Biochemistry, Jerusalem, Israel, 5/17-20/93.

79. Dynamics of Molecular Collisions, Unicoi State Park, GA, 6/6-11/93.

80. NSF-Sponsored Research Experiences for Undergraduates Program, Keynote
Speaker, Virginia Commonwealth University (Chemistry Dept.) Richmond, VA,
7/93.

82. Finite Systems Workshop, College Park, MD, 10/15-16/93.

83. Pennsylvania State University (Chemistry Dept.) University Park, PA, 1/21/94.

84. United States/Japan Conference on Clusters and Cluster Ions, Turtle Bay, Oahu, HA, 3/9-13/94.

85. American Chemical Society National Meeting, Cluster Symposium, San Diego, CA, 3/13-18/94.

86. American Physical Society National Meeting, Cluster Symposium, Pittsburgh, PA, 3/21-25/94.

87. University of Alabama at Birmingham (Chemistry and Physics Depts.) Birmingham, AL, 4/15/94.

88. United States Naval Academy (Chemistry Dept.) Annapolis, MD, 5/2/94.

89. Cluster Workshop, Virginia Commonwealth University (Physics Dept.) Richmond, VA 5/6-7/94.

90. Nanocluster Workshop, Annapolis, MD, 5/2/94.

91. Gordon Conference on High Temperature Materials, NH, 8/4/94.

92. International Conference on Progress in Inorganic and Organometallic Chemistry, Polanica Zdroj, Poland, 9/19-23/94.

93. Technische Universitat Dresden (Physics Dept.) Dresden, Germany, 9/26/94.

94. Universitat Free (Physics Dept.) Berlin, Germany, 9/29/94.

95. Swarthmore College (Chemistry Dept.) Swarthmore, PA, 11/18/94.

96. Pennsylvania State University (Chemistry Dept.) University Park, PA, 4/95.

97. Yamada Conference on Clusters, Shimoda, Japan, 5/10-13/95.

98. NASA Goddard Space Flight Center, Greenbelt, MD, 6/15/95.

99. Gordon Conference on Metal and Semiconductor Clusters, NH, 8/95.

100. Conference on the Physics of Clusters, Pushchino, Russia, 9/95.

101. Moscow State University (Chemistry Dept.) Moscow, Russia, 9/95.

102. Cluster Conference, Honolulu, HI, 12/19-22/95.

103. University of Arizona (Chemistry Dept.) Tucson, AZ, 3/18/96.

104. Topical Symposium (APS Meeting), St. Louis, MO, 3/19-22/96.

105. Topical Symposium (ACS National Meeting) New Orleans, LA, 3/26-29/96.

106. Second Mississippi Chemical Company Lectureship, Oxford, MS, 4/9-10/96.

107. ASMS Conference, Portland, OR, 5/12-16/96.

108. Pacific Northwest National Laboratory, Richland, WA, 5/17/96.

109. The Colloids Conference, Potsdam, NY, 6/16-19/96.

110. Wesleyan University (Chemistry Dept.) Middletown, CT, 10/11/96.

111. Brandeis University (Chemistry Dept.) Waltham, MA, 10/14/96.

112. State University of Buffalo (Chemistry Dept.) Buffalo, NY, 11/8/96.

113. American Physical Society National Meeting, Kansas City, MO, 3/18-19/97.

114. Radiation Research Society Conference, Providence, RI, 5/3-8/97.

115. NATO Advanced Study Conference, Elounda, Crete, 6/22-7/4/97.

116. Florida State University (Chemistry Dept.) Tallahassee, FL, 11/6-7/97.

117. Gordon Conference on Molecular and Ionic Clusters, Ventura, CA 1/4-8/98.

118. Louisiana State University (in Honor of Dr. Neil Kestner) Baton Rouge, LA, 3/28/98.

119. International Conference on Water in the Gas Phase, Paris, France, 6/21-24/98.

120. Gordon Conference on Radiation Chemistry, Newport, RI, 7/5-10/98.

121. Ohio State University (Chemistry Dept.) Columbus, OH, 11/2/98.

122. University of Pennsylvania (Chemistry Dept.) Philadelphia, PA, 1/21/99.

123. Gordon Conference on Ion Chemistry, Ventura, CA, 2/28-3/5/99.

124. American Physical Society Centennial Meeting (Negative Ion Spectroscopy Symposium, DAMOP) Atlanta, GA, 3/25/99.

125. University of Nebraska (Physics Dept.) Lincoln, NE, 4/29-30/99.

126. Schwerpunkt Program on Molecular Clusters, Niederpoecking, Germany, 5/25-29/99.

127. Gordon Conference on Photoionization and Photodetachment, Plymouth State College, NH, 7/18-23/99.

128. Universitat Freiburg, (Physics Dept.) Freiburg, Germany, 10/19/99.

129. Universitat Basel (Physical Chemistry Dept.) Basel, Switzerland, 10/20/99.

130. Technische Universitat Munchen (Chemistry Dept.) Garching, Germany, 12/9/99.

131. Universitat Kaiserslautern (Physics Dept.) Kaiserslautern, Germany, 12/16/99.

132. Toyota Technical Institute, Tokyo, Japan 1/2000.

133. Keio University (Chemistry Dept.) Yokohama, Japan, 1/2000.

134. Institute of Molecular Science, Okazaki, Japan, 1/2000.

135. Seoul National University (Chemistry Dept.) Seoul, Korea, 1/2000.

136. Taiwan National University (IAMS) Tapei, Taiwan, 1/2000.

137. University of Minnesota (Chemistry Dept.) Minneapolis, MN, 4/3/2000.

138. Conference on Biological Molecules in the Gas Phase, Les Houches, France, 5/17/2000.

139. Universitat Dusseldorf (Physical Chemistry Dept.) Dusseldorf, Germany, 6/26/2000.

140. Universitat Konstanz (Physics Dept.) Konstanz, Germany, 7/7/2000.

141. Universitat Karlsruhe (Chemistry Dept.) Karlsruhe, Germany, 7/10/2000.

142. University of Bologna (Chemistry Dept.) Bologna, Italy, 7/20/2000.

143. International Symposium on Small Particles and Inorganic Clusters, Atlanta, GA, 10/12/2000.
144. Argonne National Laboratory (Chemistry Dept.), Chicago, IL, 3/19/2001.

145. Symposium on Photoelectron Spectroscopy (ACS National Meeting) San Diego, CA, 4/2/2001.

146. Miller Conference on Radiation Chemistry, Windermere, UK, 4/10/2001.

147. Condensed Matter Seminar (Physics Dept.) Johns Hopkins University, Baltimore, MD, 4/18/2001.

148. Volkswagen Conference on Biomolecules in the Gas Phase, Dusseldorf, Germany, 6/28/2001.

149. Gordon Conference on Cluster, Nanocrystals, and Nanostructures, NH, 7/29-8/3/2001.

150. Symposium on the Relationship of Clusters to the Condensed Phase (ACS National Meeting) Chicago, IL, 8/26-30/2001.

151. Nanocluster Consortium Meeting, College Park, MD, 10/26-27/2001.

152. Gordon Conference on Molecular Clusters, Ventura, CA, 1/6-11/2002.

153. University of California at Santa Barbara (Chemistry Dept.) Santa Barbara, CA, 1/11/2002.

154. University of Southern California (Physics Dept.) Los Angeles, CA, 1/14/2002.

155. California Institute of Technology (Chemistry Dept.) Pasadena, CA, 1/15/2002.

156. American Physical Society Meeting, Indianapolis, IN, 3/18-22/2002.

157. Virginia Commonwealth University (Chemistry Dept.), Richmond, VA, 4/19/2002.

158. Jekyll Island Conference, Jekyll Island, GA, 6/3-7/2002.

159. Conference on Molecules of Biological Interest in the Gas Phase, Wildbad-Kreuth, Germany, 7/21-26/2002.

160. FOM Institute for Plasmaphysics, Nieuwegein, The Netherlands, 7/3/2002.

161. Symposium on Biological Molecules in the Gas Phase (ACS National Meeting) Boston, MA, 8/18-22/2002.

162. Cluster Symposium (Mexican Physical Society), Cancun, Mexico, 8/25-29/2002.

163. Kansas State University (Chemistry Dept.) Manhattan, KS, 10/3/2002.

164. Universitat Kiel (Chemistry Dept.) Kiel, Germany, 7/~8/2002.

165. Universitat Humboldt (Chemistry Dept.) Berlin, Germany, 7/~10/2002.

166. Universitat Rostock (Physics Dept.) Rostock, Germany, 7/~12/2002.

167. Technische Universitat Munchen (Chemistry Dept.) Garching, Germany, 8/~2/2002.

168. Genesis Toyota Institute, Tokyo, Japan, 12/17/2002.

169. JSPS/NSF Workshop on Resonances in Physics, Hayama, Japan, 12/18-20/2002.

170. Rice University (Chemistry Dept.) Houston, Texas, 3/27/2003.

171. Indiana University (Chemistry Dept.) Bloomington, IN, 4/10/2003.

172. Gordon Conference on Electronic Spectroscopy and Dynamics, Session Chair, Bates College, Lewiston, ME, 7/6-11/2003.

173. Gordon Conference on Biomolecules in the Gas Phase, Session Chair, Connecticut College, New London, CT, 7/20-25/2003.

174. XII International Materials Research Conference, Cancun, Mexico, 8/17-21/2003.

175. University of Kentucky (Chemistry Dept.) Lexington, KY, 9/5/2003.

176. Workshop on the Interaction of Slow Electrons with Molecular Solids and Biomolecules, Harvard Observatory, Cambridge, MA, 10/16-18/2003.

177. Villanova University (Physics Dept.) Villanova, PA, 11/8/2003.

178. Chemical Physics Conference, Keynote Speaker, Institute of Molecular Science, Okazaki, Japan, 12/~16-20/2003.

179. Symposium on Open-Shell Systems (ACS National Meeting) Los Angeles, CA, 3/28-4/1/2004.

180. INDO-US Workshop on Cluster Materials, Puri, India, 4/4-9/2004.

181. XIII International Materials Research Conference, Cancun, Mexico, 8/22-26/2004.

182. Gordon Conference on Molecular and Ionic Clusters, Session Chair, Aussois, France, 9/5-10/2004.

183. Gaseous Electronics Conference (GEC) Bunratty, Ireland, 9/26-29/2004.

184. US-EGYPT Conference on Laser Chemistry and Applications to Materials, Cairo, Egypt, 10/2-6/2004.

185. Memorial Symposium for Professor Bijan K. Rao, Richmond, VA, 11/18/04.

186. Symposium on Size-Selected Clusters (S3C), Brand, Austria, 2/28 - 3/4/2005.

187. Drexel University (Chemistry Dept.) Philadelphia, PA, 3/14/2005.

188. William Patterson University, (Chemistry & Physics Depts.) Wayne, NJ, 3/31/2005.

189. George Mason University, (School of Computational Sciences) Fairfax, VA, 4/4/2005.

190. International Conference on Photonic, Electronic, and Atomic Collisions (ICPEAC) Rosario, Argentina, 7/20-26/2005.

191. International Materials Research Congress, Cancun, Mexico, 8/21-25/2005.

192. American Chemical Society National Meeting (Cluster Symposium) Washington, DC, 8/28 - 9/1/2005.

193.     Invited Speaker, Institut fuer Anorganische Chemie, Universitaet Karlsruhe, ~Oct. 26, 2005.

194.     Talk, Maryland Chemist of the Year, Award Presentation, Towson , MD, 12/7/2005.

195.   Invited Talk, Pacifichem Conference (Frontiers in Atomic and Molecular Clsuters), Honolulu, Hawaii (Dec. 15-20, 2005).

196.     Invited Speaker, Gordon Research Conference on Photoionization and Photodetachment, Buellton, CA, 1/29-2/03/06.

197.  Invited Speaker, Gordon Research Conference on Molecular and Ionic Clusters, Ventura, CA, 2/19-24/06.

198.   Contributed Speaker, Nano-Energetics Workshop, Eglin Air Force Base, FL, 3/22-23/06.

199.    Invited Speaker, ACS National Meeting (Symposium on Electron-Induced Processes) Atlanta, GA, 3/26-30/06.

200.     Invited Speaker, Department of Chemistry, University of Tennessee, Knoxville, TN,
            3/31/06.

201.     Invited Speaker, James Franck Institute, Department of Chemistry, University of Chicago, Chicago, IL, May 23, 2006.

202.     Invited Speaker, Gordon Research Conference on Atomic and Molecular Interactions, NH, 7/9-14/06.

203.     Invited Speaker, International Materials Research Congress, Cancun, Mexico, 8/20-24/2006.

204.     Contributed Talk, American Association of Nano-Medicine, National Academy of Sciences, Washington, DC, 9/06.

205.     Invited Speaker, International Workshop on Clusters, Jekyll Island, GA, 12/16-20/06.

206.     Invited Speaker, Dept. of Chemistry, Colorado State University, Ft. Collins, CO 2/15/07

207.     Invited Speaker, Dept. of Chemistry, University of Colorado, Boulder, CO 2/16/07

208.     Invited Speaker, Dept. of Physics, University of Waterloo, Waterloo, ON, Canada, 3/29/07

209.    Invited Speaker, Dept. of Chemistry, University of Waterloo, Waterloo, ON, Canada, 3/30/07

210.    Invited Speaker, Dept. of Physics, Jackson State University, Jackson, MS, 4/26-27/07

211.     Invited Speaker, AFOSR Contractor’s Meeting, Irvine, CA, 5/20-22/07

212.     Invited Speaker, Workshop on Molecular Anions, Park City, UT, 6/29-7/3/07

213.     Invited Speaker, Gordon research Conference on Clusters, Nanocrystals, and Nanostructures, South Hadley, MA, 7/29-8/3/07

214.     Invited Speaker, Department of Physics, University of Mexico City (UNAM), Mexico City, Mexico, 12/07

215.     Invited Speaker, International Materials Research Congress, Cancun, Mexico, 8/19-23/2007, (canceled on-site due to hurricane).

216.     Invited Speaker, Nanoenergetics Conference, DTRA, Ft. Belvoir, VA 1/22-23/08

217.     Invited Review Panelist, Civil Research and Development Foundation, Washington, DC, 1/24/08

218.     Invited Speaker, Department of Chemistry, Mary Washington University, Fredericksburg, VA, 1/25/08

219.     Invited Speaker, 5th NIST Polymer Mass Spectrometry Workshop, 3/6/08, (declined).

220.     Participant, APS Meeting, New Orleans, LA, 4/6-8/08

221.     Invited Speaker, Conference on Gas Phase Biomolecules, Valladolid, Spain, 4/14/-18/08 (unable to attend)

222.     Invited Speaker, Air Force Research Laboratory’s Nano-Science Review, Dayton, OH, scheduled for 5/5-7/08.

223.     Participant, AFOSR Annual Contractor’s Meeting, Tyson’s Corner, VA, 5/19-21/08.

224.     Invited Speaker, International Conference on Clusters at Surfaces, Rostock, Germany, (I gave up my slot to another participant) 5/25-29/08.

225.  Invited Speaker, Conference on Modeling and Design of Molecular Materials, Wroclaw, Poland, 6/23-28/08 (declined).

226.    Invited Lecturer, UNAM Summer School in Physics, Mexico City, Mexico, July, 08  (declined).

227.     Invited Speaker, International Materials Research Congress, Cancun, Mexico, 8/17-21/08.

228.     Invited Talk, Naval Surface Warfare Center, Indian Head, MD, 9/5/08.

229.     Invited Talk, Department of Chemistry, University of Houston, Houston, Texas, 10/21/08.

230.     Invited Participant, DOE Contractor’s Meeting, Warrenton, VA, 10/26-29/08.

231.    Invited Talk, Department of Chemistry, University of Maryland, College Park, MD 11/04/08.

232.     Invited Talk, Department of Chemistry, Purdue University, West Lafayette, IN, 11/11/08.

233.    Invited Talk, Department of Chemistry, George Washington University, Washington, DC, 2/20-21/09.

234.    Participant and Member of the Organizing Committee, Symposium on Size-Selected Clusters, Brand, Austria , 3/11-14/09.

235.     Invited Talk, Departments of Chemistry, State University of New York at Stony Brook and Brookhaven National Laboratory, 3/26-27/09.

236.     Invited Talk, Dept. of Chemistry, Shippenburg Univ., Shippenburg, PA, 4/17/09.


237.     Invited Participant, Energetic Materials Conference, La Plata, MD, 4/27-28/09.

238.     Invited Participant, Indian Head NSWC Meeting, Indian Head, MD, 5/7/09.

239.     Participant, AFOSR Annual Contractor’s Meeting, San Diego, CA, 5/17-19/09.

240.     Invited Talk, DTRA “Kick-Off” Meeting, Richmond, VA, 5/27-30/09.

241.     Invited Speaker, Atomic Collisions Conference, Ann Arbor. MI, 7/14-18/09.

242.     Invited Panelist, Annual Reviews of Physical Chemistry Meeting, 8/15/09.

243.     Invited Speaker, ZEKE Symposium, ACS Nat’l Convention, Washington DC, 8/16-18/09.

244.     Invited Speaker, International Materials Research Congress, Cancun, Mexico, 8/20/09.

245.     Invited Speaker, Radiation Research Society Conference, Savannah, GA, 10/3-7/09.

246.     Invited Committee Member: Review of Chemistry Department at Emory University, Atlanta, GA, 10/21-23/09.

247.     Invited Speaker, DTRA Annual Technical Review, Springfield, VA, 10/26-28/09.

248.     Short Talk, JHU Energy Symposium, JHU Conference center, Mt. Wash., 1/19/10.

249.     Plenary Speaker, Symposium on Atomic, Cluster, and Surface Physics, Obergurgl, Austria, 1/24-29/10 (declined due to proposal deadline).

250.     Invited Speaker, Conference on Clusters and Nanostructures, Jekyll Island, GA, 2/16-19/10.

251.     Invited Talk, Virginia Commonwealth University (Physics), Richmond, VA, 3/5/10.

252.     Invited Talk, Yale University, New Haven, CT, 5/4/10.

253.    Invited Speaker, AFOSR Annual Contractor’s Meeting, Washington DC area, 5/24-26/10.

254.     Invited Speaker, Molecular Quantum Mechanics Symposium, Berkeley, CA, 5/26-29/10.

255.     Invited Speaker, TAMC VI (Cluster Theory) Meeting, Mexico City, Mexico, (declined) 6/13-17/10.

256.     Plenary Speaker, Modeling and Design of Molecular Materials Conference, Wroclaw, Poland, (declined) 7/4-8/10.

257.     Invited Speaker, DTRA Technical Review, Springfield, VA, 8/22/10.

258.     Invited Speaker, Biological Molecules in the Gas Phase Symposium, ACS Nat’l Meeting, Boston, MA, 8/23-26/10.

259.     Invited Speaker, Thomas Young Centre, University College, London, England, 9/7-9/10.

260.     Invited Participant, DOE Contractor’s Meeting, Warrenton, VA, 10/3-6/10.

261.     Invited Talk, University of Tennessee (Physics Dept.), Knoxville, TN, 2/13-15/11

262.     Keynote Speaker, Symposium on Size-Selected Clusters, Davos, Switzerland, 3/20-25/11.

263.     Invited Talk, University of Alabama at Birmingham (Dept. of Chemistry), Birmingham, AL, 4/5//11.

264.     Invited Talk, Auburn University (Dept. of Chemistry), Auburn, AL, 4/7/11.

265.     Invited Participant, AFOSR Symposium on Molecular Dynamics, Pasedena, CA, 5/15-17/11.

266.     Invited Speaker, Gordon Research Conference on Clusters, Nanocrystals, and Nanostructures, South Hadley, MA, 7/24-29/11.

267.      Invited Participant, DTRA Contractor’s Meeting, Springfield, VA,  07/28-29/11.

268.     Invited Guest, Technical University of Munich (Dept. of Physical Chemistry), Garching, Germany, 8/1-31/11.

269.     Invited Participant (on Organizing Committee) International Symposium on Clusters and Nanostructures, Richmond, VA, 11/7-10/11.

270.     Invited Speaker, Gordon Research Conference on Photodetachment, Galveston, TX, 2/12-17/12.

271.     Invited Awardee, American Association for the Advancement of Science Annual Meeting, Vancouver, Canada, 2/12/12.

272.     Invited Talk, Virginia Commonwealth University, Richmond, VA, Chemistry Dept. 3/22/12.

273.     Invited Participant, AFOSR Contractor’s Meeting, Arlington, VA, 05/22-26/12.

274.     Invited Speaker, Gordon Research Conference on Energetics, Vermont, 06/17-22/2012.

275.     Invited Speaker, CECAM Conference, Theory and Experiment, Lausanne, Switzerland, 07/04-06/12.

276.     Invited Participant, ISSPIC Cluster Conference, Leuven, Belgium, 07/8-12/12.

277.     Invited Speaker, DTRA Kick-Off, College Park, MD  09/06/12.

278.     Invited Speaker, Dyson Conference, St. Petersburg, Russia 09/27-10/05/12.

279.     Invited Speaker, University of Mississippi, Oxford, MS 10/25/12.

280. Invited Speaker, University of Southern Mississippi, Hattiesburg, MS 11/01/12.

281. Invited Speaker, SE ACS Conf. on Boron Chemistry, Baton Rouge, LA 11/05/12.

282. Invited Participant, Davos S3C Cluster Conference, Davos, Switzerland, 03/3-8/13.

283. Invited Speaker, Brown University, Providence, RI, 04/19/13. 

284. Invited Speaker, Jekyll Island Cluster Conference, Jekyll, Island, GA, 04/21-25/13.

285.     Invited Participant, AFOSR Contractor’s Meeting, scheduled for 05/19-22/13, cancelled.  

286.      Invited Speaker, International Conference on Chemical Bonding, Kauai, Hawaii,
             scheduled for 07/4-8/13 (declined).

287.     Invited Speaker, DTRA Contractor’s Meeting, 7/28-29/13.

288.     Invited Speaker, University of Alabama, Tuscalossa, AL, 10/17-18/13.


289.     Invited Speaker, American Chemical Society Catalysis Symp., Dallas, TX, 03/15-20/14.


290.      Invited Speaker, AFOSR Contractor’s Meeting, Arlington, VA, 05/19-22/14.


291.      Invited Speaker, Cluster Surface Interactions Conference, northern Italy, 06/01-05/14.


292.      Invited Speaker, Technical University of Munich, Garching, 06/06/14.


293.      Invited Speaker, International Conf. on Chemical Bonding, Kauai, Hawaii, 07/20-24/14.


294.      Invited Speaker, DTRA Contractor’s Meeting, Springfield, VA, 08/01/14.

295.      Invited Speaker, University of Mississippi, (Colloquium), 08/07/14.


296.      Invited Speaker, Nano Materials Genome Center Conf., St. Paul, MN. 10/18/14.


297.      Invited Speaker, Wesleyan University, 10/31/14.


298.      Invited Speaker, CWA DTRA Grant Kick-Off Conf., 11/24/14.


299.      Invited Speaker, MURI Grant Kick-Off Conference, Arlington, VA, 6/26/15.


300.      Invited Speaker, University of Mississippi (REU Talk), 7/16/15.


301.     Invited Speaker, A. P. Stefani Memorial Event, Oxford, MS, 7/17/15.


302.     Invited Speaker, DTRA Energetics Contractor’s Meeting, 7/21/15.

303.     Invited Speaker, American Chemical Society Catalysis Symp., Boston, MA, 8/16/15.


304.     Invited Speaker, International Materials Research Congress, Cancun, MX, 8/18/15.


305.     Invited Speaker, DTRA CWA Contractor’s Meeting, 9/22/15.


306.     Invited Speaker, Zelicof Dinner Talk, Johns Hopkins University, 10/13/15.


307.     Invited Speaker, ACS SE/SW Meeting, Compton Symposium, Memphis, TN, 11/4-7/15.

308.     Invited Speaker, Internat’l. Symposium on Clusters, Davos, Switzerland, 2/28-2/4, 2016.

309.     Invited Speaker, MURI Annual Review Johns Hopkins University, 5/19/2016.

310.    Invited Speaker, AFOSR Contractor’s Meeting, Washington, DC, 5/24-26/2016.

311.    Invited Speaker, Cluster Surface Interactions Mtg., Argonne Nat’l Lab. 5/31-6/3/2016.

312.    Invited Speaker, Symposium on Delocalized Electrons, Erice, Sicily, 7/22-28/2016.

313.    Invited Speaker, Dynamics Nanoscale, Dyson Mtg. Bad Ems, Germany, 10/3-7/2016.

314.    Invited Speaker, Chemistry, Queens College, CUNY, New York, NY, 12/12/2016.

315.    Invited Speaker, Castleman Memorial Symposium, Washington, DC, 4/20-21/2017.

316.    Invited Speaker, MURI Annual Review, Monterey, CA, 5/19/2017.

317.    Invited Speaker, Office of Secretary of Defense, MURI, Crystal City, VA, 8/10/2017.

318.    Invited Speaker, ACS National Conf., Washington, DC, 8/21-24,/2017.

319.    Invited Speaker, Tri-Service Review, Arlington, VA, 8/25/2017.

320.    Invited Speaker, Morgan State University, Chemistry Colloquium, 9/28/2017.

321.    Invited Speaker, ISACC Conference, Havana, Cuba,10/2-6/2017.

322.    Invited Speaker, MURI Peer Review, Arlington, VA. 10/19/2017.

323.    Invited Speaker, University of Colorado, Chemistry Colloquium, 11/3/2017.

324.    Invited Speaker, Adv. in Chem. Physics, Havana, Cuba, scheduled for 1/6/18 (declined).

325.    Invited Participant, NMGC Contractor’s Meeting, Minneapolis, MN, 10/28-29/2016.


326.    Invited Participant, AFOSR Contractor’s Mtg., Albuquerque, NM, 5/23-25/2017.

327.    Invited Participant, DTRA CWA Review, Rayleigh, NC, 9/5-6/2017

328.    Invited Participant, NSF Chem. Review Panel, Washington, DC, scheduled for 2/1-2/18.

329.    Invited Participant, NSF DMR Panel, Washington, DC, scheduled 1/130-31/18 (declined).

330.    Invited Participant, KSA&S New Faculty Launch Committee, scheduled for 1/16/2018.

331.    Invited Participant, Morgan State Univ. Mock Interviews Committee, sch’ed 1/19/2018

332.    Invited Participant, J. Phys. Chem. Lectureship Selection Comm., sch’ed 1/23/2018.