Professor of the Mechanical Engineering Department - University of Zaragoza (Spain)

Professor of Building Energy Systems, Civil Engineering, University of Leeds

Professor of Internal Combustion Engines, University of Thessaly

Florida International University

University of Trento

Professor, Pukyong National University

University of Botswana

Assoc. Prof., School of Architecture, Universidad de Navarra

Universitas Telkom

Georgia Institute of Technology