Communication Group Manager, School of Electrical Engineering, 76.4.16-78.4.16

Member of Postgraduate Elected Committee of University, 76.8.11-78.8.11

Communication Group Manager, School of Electrical Engineering, 78.8.29-80.8.29

Member of Undergraduate Elected Committee, School of Electrical Engineering, 78.8.12-81.8.12

Member of Scientific Committee, ICEE, 77,78, 81, 85, 88

Member of Scientific Committee, IST2003 and IST2008

System Engineer, Technical Adviser, Management & Planning Organization

Consulting Engineer & Supervisor, Iran Electronic Industries

Supervisor & Project Manager, Iran Telecommunications Research Center

Project Manager & Technical Adviser, Advanced Electronic Research Center