Postdoctoral Research Scientist, Columbia University Irving Medical Centre, USA.

Professor of Pharmacology, Medical College of Wisconsin,Milwaukee, WI, USA.

Lecturer, Islamic Azad University of Garmsar, IRAN.

Clinical Research Director / Oncology Researcher / Medical Research Writer, Morgan Hill, California, United States.

Assistant professor in visceral surgery in „Fundeni Clinical Institute” Bucharest , "Carol Davila" University of Medicine and Pharmacy, Bucharest, Romania.

M.D.(Pathology), Consultant Histopathologist, AB Diagnostics, New Delhi, India

Assistant Professor, Clinical Faculty, Department of Hematology and Hematological Central Laboratory at InselSpital Bern, University of Bern. Switzerland

MD (Gen Med), DNB ( Gen Medicine ) , MNAMSFRCP ( Glasg) ,DNB ( Medical Oncology), European Certified Medical Oncologist (ECMO),Trained in BMT and CAR T cell therapy (USA)