Education1984-1988 B.Sc. in Surveying Engineering, K.N.Toosi University of Technology, Tehran, Iran.
1989-1994 M.Sc. in Geomatics Engineering, Thesis topic: �An investigation of systematic errors in precise levelling network of Iran�, Department of Geodesy and Geomatics Eng, K.N. Toosi university of Technology, Tehran, Iran.
1995-2000 Ph.D. in Geomatics Engineering, Thesis topic: �Intrinsic deformation analysis of the earth surface based on 3D displacement fields derived from GPS geodetic measurments�, Department of Geodesy and Geomatics Engineering, University of Stuttgart, Stuttgart, Germany.
2001-2003 Director of a 24-month research project in K. N. Toosi university of technology titled: The most convenient mathematical models of deformation tensors to assess seismic hazard in Iran
2002-2003 Director of a national research project (TOTAK) ordered by National Cartographic Center of Iran (NCC) titled: The best mathematical models of systematic errors in digital precise leveling networks
April 2003- A member of consulting and supervising team for establishment of a national intelligent transportation system at Remote sensing center of ministry of communication