Channy has worked for Amazon Web Services as a Technology Evangelist for developers to enable cloud computing in Korea since 2014. Before AWS, he worked for Daum.net, the 2nd largest Internet portal company in Korea from 2004. He was a founder of Daum Developers (aka. Daum DNA) in 2006 and Open API Evangelist for 3rd party developers. Before Daum, he started his career as a web developer in startup focusing web based music shopping sites, payment gateway and SSL certificate services in a startup, Nine4u - the first online radio music service from 1996 and became Chief Technology Officer in 2001.
Also he was a founder and has been a leader of Web Standards Korea, Mozilla Korean Community since 2002, and adjunct Professor in Jeju National University to make the first open source software class. He was chosen in one of top 20 powerful voices of Open-source software in 2010 and well-known tech writer of his Channy's Blog with over 64K subscribers, 36k Twitter followers, 9k G+ follower and 6k Facebook fans. Also he helped developer's relationship as a founder of BarCamp Seoul, WebAppsCon, and DevOn.