Channy Yun is a Principal Developer Advocate at Amazon Web Services (AWS) and has helped for Korean developers to enable AWS cloud services. He has focused on engaging technical audiences such as developers, communities, and user groups and shared knowledge of the latest AWS cloud services in blog posts, social media, and public speaking. He has a special interest in cloud native architecture such as Serverless, Microservices based on DevOps.

He has over 20 years’ experience in web services such as music content, e-commerce, and payment, an architect on large-scale API platform. Prior to joining AWS, he led Daum's API platform (aka, Daum Developers) for 3rd party developers to utilize its API services into their applications. Before Daum, he was a web developer and became Chief Technology Officer (CTO) of Nine4u - the first online music radio service in Korea, web casting and payment gateway for e-commerce services in 1998.

Also, he was a founder and has been a community leader of Web Standards Korea, Mozilla Korean Community, invited expert of W3C HTML Working Group, and adjunct professor in Jeju National University to make the first open source software class in Korea. He was chosen in one of top 20 powerful voices of Open-source software in 2010. He is also well-known tech writer of his Channy's Blog with over 50k Twitter followers and 12k Facebook fans. Also, he helped developer's collaboration as a founder of BarCamp Seoul, WebAppsCon, and Daum DevOn.