Rifai Chai received a PhD degree in Engineering from the University of Technology Sydney (UTS) in 2014. From 2000 to 2010, he worked as a Product Development Engineer with companies in Indonesia and Australia. From 2012 to 2018, he worked as an Associate Lecturer and Lecturer at the University of Technology Sydney. Currently, he is working as an Associate Professor at the School of Science, Computing, and Engineering Technologies, Swinburne University of Technology, Melbourne, Australia. His research interests include brain–computer interfaces, medical devices, assistive technology, rehabilitation, signal processing, embedded systems, autonomous systems, and artificial intelligence. He is a Senior Member of IEEE and serves as Associate Editor for Electronics Letters.