Professor, Department of Metallurgical And Materials Engineering, Faculty of Engineering,University of Nigeria, Nsukka Nigeria.
Assistant Professor, Nanotechnology and Catalsis Research Center (NANOCAT) University of Malaya, Malaysia.
Faculty of Engineering, Department of Computer Science and Engineering(Dean),University of Chittagong, Bangladesh.
UNEA University, Mexicali, Baja California, Mexico
Professor, Department of Mechanical Engineering, Institution of Aeronautical Engineering, Telangana, India.
Professor, Department Electronics Communication Engineering, MAM School of Engineering, Trichy, Tamilnadu, India.