 Working in Iranian Fisheries Organization (Shilat) from 1965 to 1973  Employee of University of Tehran, facualty of Vet.Med as scientific board from 1973 to 2006/ Professor of University  Employee of Azad University unit of training and researches as Professor for  teaching students in PhD courses from 2006 to 2017  The member of Iranian Academy of Sciences as a director of fisheries branch for 24 years since 1994