Department of Mathematics, Shanghai University, China
Ingeniería de Sistemas y Automática Dpto. Ingeniería Eléctrica, Electrónica y Automática Escuela de Ingenierías Industriales - UEX, Spain
Associate Professor at Instituto Superior Técnico --- University of Lisbon, Portugal
Vice-President of African Mathematical Union, former Vice-President of African Academy of Sciences and former Dean of Research and Graduate Studies at Applied Science University, Kingdom of Bahrain
University of Nevada Las Vegas (UNLV), USA
Department of Mathematics and Sciences at Ajman University
