Ricky joined the University (then OUHK) in February 2021 as the Vice President (Students and Support). He was the Associate Vice-President (Teaching and Learning) at the University of Hong Kong (HKU) for a five-year term from January 2015 to December 2019, spearheading various mission-critical institutional e-learning endeavors (e.g., MOOCs, flipped-classroom learning, innovative pedagogies and platforms, learning analytic research, etc.) via a university-central office called Technology-Enriched Learning Initiative (TELI) which he founded in 2015. He also served as an Associate Dean of Engineering and the Deputy Head of the Department of Electrical and Electronic Engineering at HKU. Prior to that, he was a full-time staff member at Colorado State University (Fort Collins, Colorado, USA), University of Southern California (Los Angeles, California, USA), and Purdue University (West Lafayette, Indiana, USA).