Full Professor Medicinal and Natural Products Chemistry Research Centre, March۲۰۱۹-present, Shiraz University of Medical Science- 

Associate Professor Medicinal and Natural Products Chemistry Research Centre, January۲۰۱۳-March, Shiraz University of Medical Science- 

Assistant Professor Medicinal and Natural Products Chemistry Research Centre, ۲۰۰۹-۲۰۱۳ , Shiraz University of Medical Science- 

Senior Research Fellow ۲۰۰۶ – ۲۰۰۸ Max Planck Institute for Chemical Ecology, Jena, Germany- 

Research Fellowship ۲۰۰۴ – ۲۰۰۶ Alexander Von Humboldt fellowship Max Planck Institute for Chemical Ecology, Jena, Germany- 

Assistant Professor ۲۰۰۳ – ۲۰۰۴ Department of Phytochemistry, Shahid Beheshti University, Tehran, Iran- 

Post Doctoral Fellow ۲۰۰۰ – ۲۰۰۲ Japan Society for the promotion of Science (JSPS) fellowship- 

Graduate School of Agriculture, Hokkaido University, Sapporo, Japan- 

Lecturer, Faculty member ۱۹۹۲ – ۱۹۹۵ School of Chemistry, Azad University, Karaj, Iran-