Portland State University, Portland, USA.
University of Electronic Science and Technology of China, China
Vice Chancellor, Mahatma Gandhi University, Kerala, India
Department of Mechanical Engineering, ISEL, Portugal
Scientific Researcher III, National Institute for Lasers, Magurele, Romania
Applied Chemistry Research Center, Saltillo México.
"Dunarea de Jos" University of Galati, Romania
fullrmc LLC, United States.
Team lead, Ascend Materials Product Development, Pensacola Florida, USA
University Technology Mara, Malaysia
Metallurgical and Materials Engineering, Colorado School of Mines, CO, USA.
Research Scientist, the Bone-Muscle Research Center, University of Texas, Arlington, United States
Penn State University, Pennsylvania, United States
Canada Research Chair, Building Science, Director of the BeTOP center, Ryerson University, Canada