distinguished professor of geophysics, missouri state university

Dosen Geofisika, Universitas Gadjah Mada

Senior Researcher, Mining Institute KSC RAS

China University of Mining and Technology, PHD

Professor of Geophysics, Universidade Federal de Mato Grosso

Lecturer, Afe Babalola University, Ado-Ekiti

Researcher, Department of Earth, Energy and Environment, University of Calgary

Dr. Of Physics and Exploration/Mining Geophysics