Channy is working at Amazon Web Services as a Technical Evangelist for developers to enable cloud computing in Korea from 2014. Before AWS, he had worked for Daum.net, the 2nd largest Internet portal company in Korea since 2004. He was a founder of Daum Developers (aka. Daum DNA) in 2006 and Open API Evangelist for 3rd party developers to utilize Daum's APIs in their business. In his first career, he was a web developer of online music sites, payment gateways and SSL certificate services, Nine4u - the first online radio music service in 1996 and have been Chief Technology Officer from 2001 to 2003.