Cheng Luo is the lead evangelist at Samsung. Prior to joining Samsung’s global evangelist team, he spent most of his time on developing applications for Maemo, Symbian, embedded Linux and bada. He has over 5 years experience on design and developing mobile applications on various areas. He co-authored the book – “Introduction to bada: A Developer’s Guide” and currently writing another title on Tizen. He was an assistant researcher in the networking protocol design and security in Finland.