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Jae-Chul Sir is the Senior fellow of the Korea Internet & Security Agency(KISA). He also serves as the Vice-President of [[ISOC|The Internet Society]]<ref>[http://kr.linkedin.com/pub/jae-chul-sir/16/661/104 linkedin.com]</ref>.

Jae-Chul Sir is the Senior fellow of the Korea Internet & Security Agency(KISA). He also serves as the Vice-President of [[ISOC|The Internet Society]].<ref>[http://kr.linkedin.com/pub/jae-chul-sir/16/661/104 linkedin.com]</ref>

Jae-Chul Sir was a member of the Organizing Committee of the Global [[IPv6]] Summit in Korea, conducted in 2005.<ref>[http://www.ipv6.or.kr/summit2005/e_html/sub008.html ipv6.or.kr]</ref>

Jae-Chul Sir was a member of the Organizing Committee of the Global [[IPv6]] Summit in Korea, conducted in 2005.<ref>[http://www.ipv6.or.kr/summit2005/e_html/sub008.html ipv6.or.kr]</ref>