Professor in petroleum engineering, Colorado School

Jackson School of Geosciences, Bureau of Economic Geology, The University of Texas

Professor of Geology, Delft University of Technology

George and Joan Voneiff Professor, Texas A&M University

Università della Basilicata

Senior Reservoir Engineering Adviser, OMV E&P

President, McLellan Energy Advisors Inc.

Operational Geomechanics and Fractures Consultant, at Operational Geomechanics …

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Mentor (reservoir engineerg)