Principal Physicist of Freeman Cook & Associates

Tottori University, Emeritus Professor

Professor of university of Tehran

Professor of Water Resources Engineering, SKUAST- Kashmir, Srinagar India

Professor of Rural Systems Engineering Department, Seoul National University, Korea

Dept. of Agricultural Engineering ;Institute of Agricultural Sciences, Banaras Hindu Univesity

National Instiute of Hydrology, Roorkee

Department of Water Engineering, University of Tabriz

School of Civil Engineering, Sun Yat-sen University

Professor of Irrigation and Drainage. Shahid Chamran University of Ahvaz. Khuzestan. IR