Alcatel-Lucent Bell Labs and Stevens Institute of Technology (ret.),
New Jersey, United States.
Department of Computer Engineering,
King Khalid University,
Kingdom of Saudi Arabia.
Department of EEE,
Dayeh University,
Taiwan.
Guest Professor of TUM-Germany &
Faculty-InCharge (R&D and International Affairs)
Indian Institute of Information Technology,
Kottayam, India.