A Taipei-based developer working at KKBOX. Started developing in Objective-C language for macOS since 2005 and became an iOS developer since 2008 when iPhone SDK was out. Contributed to products including Yahoo! KeyKey Input Method, Boshiamy Input Method for macOS, KKBOX for macOS/iOS/tvOS, Uta Pass for iOS and so on. Wrote a free online e-book in Chinese about iOS development in 2015. His latest work is KKBOX Kids, a new audio app with latest Flutter technology parenting contents from KKBOX.