Dr. Hao Lin is an associate professor at the Institute of Linguistics, Shanghai International Studies University, China, and as the Chief Technology Operator at Shanghai iSigner Culture Company Ltd. Previously, he was a visiting scholar and research associate at Harvard University and a Postdoctoral Researcher at the Institute of Linguistics, Shanghai International Studies University. He received his PhD degree in sign language linguistics from Fudan University, and Master's degree in TESOL from the University of Edinburgh. His research focuses primarily on sign language linguistics, with particular interest in its structure, acquisition, and the cognitive processes involved.