With Prof. Neil H. E. Weste, a fellow of IEEE, Australian inventor & CMOS VLSI Design textbook author, VN (8/2023 and 4/2025)
With family at Tan Son Nhat International Airport - to Barcelona, Spain (7/12/2014)
With Prof. Lajos Hanzo, a fellow of IEEE/IEE/IET, University of Southampton, UK (at WCNC 2013)
With Prof. DSc. Tien Van Do, Budapest University of Technology and Economics, Dec-7/2012 at KIT
With Prof. Wen-Xun Zhang - FEMA (Fellow of The Electromagnetics Academy), Southeast University, China at ATC/REV 2012
With Prof. Dong-Seong Kim at ATC/REV 2012, Vietnam, 10-12/10/2012
With Family at Tan Son Nhat airport (to Incheon, Korea), 3/9/2011