Professor, College of Engineering, University of Massachusetts, Amherst

Adjunct Research Professor, Carleton University

Professor Emeritus of Electrical Engineering, Penn State University

Professor of Electrical and Computer Engineering, National Technical University of Athens

Polytechnic Institute of Leiria and Instituto de Telecomunicações, Leiria, Portugal

Senior Lecturer, Department of Electrical Engineering, Faculty of Engineering, Universiti …

Universidad Politécnica de Cartagena

Professor, Hacettepe University, Electrical and Electronics Engineering Dept

politecnico di milano

Pontifical Catholic University of Rio de janeiro