Professor, University of Texas at Austin

Professor of Petroleum Engineering, University of Adelaide

Profesor, Universidad Nacional de Colombia, sede Medellín

Universidad Nacional de Colombia, Sede Medellín

University of Tehran

Associate Professor of Petroleum Engineering,Petroleum University of Technology

Southwest Petroleum University

Assoc. Professor of Petroleum Eng., Universiti Teknologi Malaysia

Professor of Petroleum Production Engineering, Amirkabir University of Technology

Chevron Associate Professor in Carbon Storage Engineering