Professor of Ornamental and Medicinal plants, Faculty of Agriculture, Tanta University, Egypt

Professor, Department of Biological Sciences, Western Michigan University

Research professor, Gyeongsang National University

Huazhong Agricultural University, Wuhan, China

Professor of Plant Physiology, Botany Department, Faculty of Science, Sohag University …

Professor of Agronomy, Yasouj University

Razi University

University of Alberta

ِِِprofessor, Faculty of Agriculture, Beni-Suef University

Azad university,