Professor of Ceramics, University of Sheffield

Professor of Materials Science and Engineering, Federal University of São Carlos, Brazil

Kyoto University

Oak Ridge National Laboratory (retired)

Professor of Physical Sciences

Missouri University of Science and Technology

Professor of Glass Science, University of Jena

ITMO University (Университет ИТМО)

Professor of Advanced Functional Materials, Sheffield Hallam University

Emeritus Prof. of Physics, Menoufia University, EGYPT