Graduate Research Assistant, COMET Group, Columbia University, 1996 - 2002.
Teaching Assistant for the graduate class EE E6901: Topics in Electrical and Computer Engineering, Dept. of Electrical Engineering, Columbia University, 1998 (with Professor Dr. Mahmoud Naghshineh).
Teaching Assistant for the graduate class EE E6968: Topics in Telecommunication Networks, Dept. of Electrical Engineering, Columbia University, 1999 (with Professor Dr. Thomas LaPorta).
EE1006-05, Spring 2003 Special Topics in Telecommunications. Topic: Wireless and Mobile Communications.