Xiang Liu is a Chief Optical Standards Expert at Huawei Technologies, focusing on the advancement of international optical communications standards across multiple organizations. As an Adjunct Professor at The Hong Kong Polytechnic University, Xiang Liu contributes to the Department of Electrical Engineering. Prior experience includes serving as VP for Optical Transport & Access at Futurewei Technologies, overseeing advanced optical technologies, and holding roles such as Senior Director, Distinguished Scientist, and Principal Engineer at Bell Labs, where Xiang Liu contributed to significant research in optical transmission. Educational qualifications include a Ph.D. in Applied Physics from Cornell University, completed in 2000. Recent publications include contributions to works on optical communications in the 5G era and advancements in fiber-optic transmission.