- CDMA Technology Roadmap - presented at Seminar Teknologi GSM vs CDMA Unnes Semarang Indonesia+ Trend Mobile Communication Abad 21- presented at Trend IT Abad 21 Seminar STIKOM Surabaya Indonesia
- CDMA2000 3G Standard - presented at National Seminar LCKI ITS Surabaya Indonesia+ 3G Roadmap - presented at Next G Seminar Undip Semarang Indonesia
- 3G and CDMA Application - presented at Internet Seminar Stikubang Semarang Indonesia
- 3G and CDMA Application - presented at Widya Mandala University Surabaya Indonesia
- 3G and CDMA Application - presented at UBAYA University Surabaya Indonesia
- CDMA Technology - presented at general stadium ITATS Surabaya Indonesia
Below is my education, that I already have passed,
- SD Karangayu I Cepiring Kendal Jawa Tengah Indonesia, 1985
- SMPN I Cepiring Kendal Jawa Tengan Indonesia, 1988
- SMAN Kendal Jawa Tengah Indonesia, 1991
- Sekolah Tinggi Teknologi Telkom (STTTelkom) Bandung Indonesia Baschelor of Science (S1) in Electrical Engineering (focus on Telecommunication), 1995
- Institut Teknologi Sepuluh Nopember (ITS) Surabaya Indonesia Post Graduate (S2) Magister Management Technology (focus on Information Technology), 2003
To encourage my skill, both management skill and technology skill, I also follow some courses,
- Samsung CDMA System Engineering - Samsung - Suwon - Korea
- SEO & Internet Marketing - PCplus - Surabaya
- OM & System Engineering NSS - ZTE - Shenzhen - China
- BAT Softswitching WSS & WGW - Samsung - Korea
- Media Gateway and Control Switch - Veraz Network - Singapore - Paris
- Catalyst 6500 Overview - Cisco - Sydney
- Turbo 7 - Samsung - Surabaya
- CDMA2000 NSS Workshop - Samsung - Bogor
- CDMA2000 NSS Operation and Maintenance - Samsung - Korea
- CDMA2000 BSS System Engineering - Samsung - Surabaya
- CDMA Drive Test - HP - Jakarta
- CDMA System Engineering - Motorola - Surabaya
- CDMA MSC (Mobile Switching Center) - Motorola - Surabaya
- CDMA BSC (Base Station Controller) - Motorola - Surabaya
- CDMA BTS (Base Transceiver Station) - Motorola - Surabaya
- Wireless Application Protocol (WAP) Master - RisTi - Bandung
- Techno Pre-eminence Conference 2000 - RisTi - Jakarta
- CommunicAsia - Singapore
- Introduction of CDMA - Motorola - Jakarta

