Ke Li is a Ph.D. candidate at SciFi Lab (https://www.scifilab.org) in College of Computing and Information Science at Cornell University, advised by Prof. Cheng Zhang (https://czhang.org). His research interests cover a wide range of Ubiquitous Computing, Sensing Systems, Wearable Devices, and Artificial Intelligence (AI). Prior to joining Cornell, he received a Bachelor of Science Degree in Information Engineering from Shanghai Jiao Tong University (SJTU).