- 2011 to present:
- Member of Editorial Board,
- Esteghlal: Journal Of Science Research and Development, Isfahan University of Technology, Isfahan, Iran.
- 2000 to present:
- Member of Editorial Board,
- Esteghlal: Journal Of Science Research and Development, Isfahan University of Technology, Isfahan, Iran.
- 1995 to present:
- Associate Professor,
- Department of Electrical and Computer Engineering, Isfahan University of Technology, Isfahan, Iran.
- (1995-2003 Assistant Professor)
- 2003 to present:
- Founder, CEO
- Sarv-Net Telecommunication Technology Inc., Isfahan, Iran.
- 2000 to 2011:
- Member of Editorial Board,
- Esteghlal: Journal Of Science Research and Development, Isfahan University of Technology, Isfahan, Iran.
- 2008 to 2009:
- Visiting Research Associate
- Department of Electrical Engineering, California Institute of Technology, CALTECH.
- 1999 to 2006:
- Founder, Director of Research and Development, Principal Architect,
- Erlang Technology, St. Louis, MO USA
- 2004 to 2006:
- Member of Rapid I/O Standard Committee
- 1998 to 2000:
- Chair of Electronic and Communication Group,
- Department of Electrical and Computer Engineering, Isfahan University of Technology, Isfahan, Iran.
- 1997 to 1998:
- Research Associate
- Electrical Engineering Department, Washington University, St. Louis MO USA
- 1996 to 1998:
- Co-Founder, Director of Research and Development,
- Minmax Technology, St. Louis, MO USA
- 1994 to 1995:
- Research Associate
- Electrical Engineering Department, Washington University, St. Louis MO USA
- 1991 to 1994:
- Research Assistant
- Research Group in Telecommunications, "Rgit"
- Electrical Engineering Department, Washington University, St. Louis MO USA
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