Xuan Bang Nguyen is COO/co-founder of GCALL Vietnam Pte. Ltd. Gcall is a WebRTC telephony application which was born to revolutionize customer service of enterprises by allowing them creates a call center system in anywhere. In additional, Xuan Bang is a founder of HR Key and ClickNow. Prior to being COO GCALL Vietnam Pte. Ltd. to now, he is also a Vice Chairman of Global PAT Com., Ltd. He graduated excellent in BA from Ho Chi Minh City University of Technology.