Professor emeritus, Prosthetic dentistry, University of Gothenburg, Sweden

University of Minnesota

Sungkyunkwan university

Associate Professor, Chemical and Biomolecular Engineering, National University of …

University Of Queensland

Faculty of Health and Medical Sciences, University of Copenhagen

Associate professor, School of Dentistry Ribierão Preto, University of São Paulo.

Professor of Clinical Dentistry, UiT The Arctic University of Norway

Distinguished Professor, Missouri State University

Professor of Physics, Wayne State University