Distinguished Professor of Medicine, Digestive Diseases Research Institute, Tehran University of Medical Sciences; Fellow of the World Academy of Sciences; Permanent Member of the Iranian Academy of Medical Sciences; President of the Iranian Association of Gastroenterology and Hepatology; Former Minister of Health and Medical Education of Iran

Lecturer of Computer Science, Caltech CMS; Member of the U.S. National Academy of Engineering; JPL Fellow; ACM Fellow

Professor of Materials Science and Engineering in the School of Chemical Engineering of the National Technical University of Athens (NTUA) ; Member of the Academy of Athens; Member of the National Academy of Engineering of the U.S.A; recipient of the European Materials Medal and the DSM Lifetime Achievement Award,

Distinguished adjunct professor at HKUST Guangzhou; Distinguished adjunct professor at ECUST; Distinguished research professor at Széchenyi István University at Győr; Member of the ATV, the Danish Academy of Technical Sciences

Distinguished Professor of Structural Engineering, School of Civil Engineering, Iran University of Science and Technology; Fellow of the Iranian Academy of Science; Fellow of the World Academy of Sciences; Active Member of the European Academy of Sciences and Arts; Associate Fellow of the Institute of Mathematics and its Applications

Professor of Materials Science and Technology at the Department of Industrial Engineering, University of Padova; Academician of the World Academy of Ceramics; Member of the Academia Europea; Academician of the Italian Academy of Engineering and Technology; Fellow of the American Ceramic Society

Erasmus Smith's Professor of Natural and Experimental Philosophy and Head of School of Physics, Trinity College Dublin; Principal Investigator in the AMBER Research Centre, Trinity College Dublin; Member of the Academia Europaea; Member of the Royal Irish Academy; Member of the European Academy of Sciences; Fellow of the Royal Society

Professor Emeritus, Mechanical Engineering, University of Toronto; IEEE Fellow; AAAS Fellow; Fellow of the Engineering Institute of Canada; Fellow of the Canadian Academy of Engineering;

Alexander Ziwet Collegiate Professor of Mathematics at the University of Michigan; Fellow of the American Mathematical Society; IEEE Fellow; AMS Fellow; SIAM Fellow; Fellow of the Society for Industrial and Applied Mathematics

Professor of Automated Reasoning, School of Computer Science, University of Leeds; Fellow of the Royal Academy of Engineering; Fellow of the Learned Society of Wales; Fellow of the British Computer Society; Fellow of the Association for Advancement of Artificial Intelligence

Advisor, Institute of Neuroscience and Medicine-5, Nuclear Chemistry, Forschungszentrum Jülich; Fellow of Royal Society of Chemistry; Fellow of the World Academy of Sciences; Fellow of Islamic World Academy of Sciences; Foreign Fellow of Pakistan Academy of Sciences

Director of the Institute of Physics of Advanced Materials and also Professor of the Department of Materials Science and Physics of Metals at Ufa University of Science and Technology; Member of the European Academy of Sciences； Supervisor of the Laboratory for Mechanics of Advanced Nanomaterials of Saint-Petersburg State University