2014- Present         Associate Professor

                              National Institute of Genetic Engineering and Biotechnology

                              Tehran, Iran

2018- 2019                     Visiting Professor

                              Simon Fraser University

                              British Colombia, Vancouver, Canada

2015- 2016                     Visiting Professor

                                     Helmholtz-Zentrum Geesthacht (Institute of Biomaterial Science); Teltow-Seehof, Deutschland

2008- 2014                     Assistant Professor

                              National Institute of Genetic Engineering and Biotechnology

                              Tehran, Iran

2013- Present         Director

                              Tissue Engineering Research Group

                              National Institute of Genetic Engineering and Biotechnology

2012- 2014                     Director

                              Nano Biomaterials and Tissue Engineering Division

                              National Institute of Genetic Engineering and Biotechnology

2010- 2012                     Director

                              Biomaterials and Tissue Engineering Research Center

                              National Institute of Genetic Engineering and Biotechnology

2007- 2008                     Research Associate

                              Anatomy and Cell Biology Department

                              McGill University, Montreal, CANADA

2002- 2003                     Research Assistant

                             Biomedical Engineering Department

                              McGill University, Montreal, CANADA

1999- 2002                     Director

                              Research and Development Center

                                Tehran Cement Company