- Invited, Key Note Speaker, “High Voltage Electrical Insulation Design and Dielectric Breakdown in Space and Aerospace. Power Systems” International Conference on Advanced Electromaterials, Jeju, Korea, November 2011
- Distinguished Lecturer, “Novel Dielectrics and Advanced Electrical Insulation Technology,” IEEE POCO (Panel of Conference Organizers), Beijing, China, June 2011
- Panel Speaker, “Path way to full professorship” WISE Institute Workshop, Auburn University, Auburn AL, March 2011
- Invited Plenary Speaker,"Energy Policies and Research / Development Trends in the USA," Presented at the Korean Institute Electrical and Electronic Materials Engineering (KIEEME) Summer Conference, Energy Symposium, Muju Resort, S. Korea, June 16, 2010
- Invited Speaker,"Nanodielectrics breakdown in Partial Pressure,"LS Industrial Systems Company, Cheongju, Korea, June 17, 2010
- Invited Seminar Speaker,"Renewable Energy and Smart Grid" POSTECH University, Pohang, S. Korea, June 18, 2010
- Invited Speaker"Dielectric Breakdown in Partial Vacuum Environment," Dielectric Symposium, GE Global Research Center, May 19, 2008
- Invited Seminar Speaker, "Engineering High Voltage in Space"Mississippi State University, Electrical and Computer Engineering Department, March 6, 2007
- Invited Lecturer: presented a series of lectures including including "Electrical Insulation and High Frequency Breakdown in Partial Pressure" and "Nanodielectrics Breakdown," Nagaoka University, Nagaoka, Japan, March 23 through April 1, 2006
- Invited Lecturer of the Scientific and Technical Research Council of Turkey (equivalent of the NSF of USA) under the grant/project entitled “TOKTEN” sponsored by the United Nations, “Space Based LIDAR Operation and Applications,” (1) Istanbul Technical University, Istanbul, Turkey, July 15, through July 29, 2002 and (2) Canakkale 18 Mart University, Canakkale, Turkey, July 29 – August 5, 2002
- Invited Speaker, “Electrical Insulation in Space Environment,” IEEE-Albuquerque NM Section, September 2001 & University of New Mexico, Electrical and Ccomputer Engineering Dept, March 10, 2001
- Invited Talk, “Surface Flashover Characteristics of Dielectric Thin Films in Vacuum: A Review”International Conference on Electrical and Electronics Engineering, Bursa, Turkey, November, 1999