Telecommunication field engineer (1997~1999)
Telecommunication Project Engineer/Manager (1999~2000)
Telecommunication. Pre-Sales Consultant (2000~2002)
Telecommunication. Senior Consultant, VAS (2002~2005)
Telecommunication. Business Development Manager, VAS (2005-2014)
Telecommunication. Solution Consultant (2014~)
Specialties:
Value Added Service - Voice, IVR, Switching, Call Back, Prepaid/Postpaid Calling Card.
Value Added Service - Location Based System
Value Added Service - Location-based advertising (LBA)
Value Added Service - Messaging
Value Added Service - Mobile Data