Jia Di is a professor and the 21st Century Research Leadership Chair of the Computer Science and Computer Engineering Department at the University of Arkansas, USA. His research is mainly focused on asynchronous integrated circuit design for different applications and hardware security. Professor Di has published one book and over 100 papers on technical journals and conferences. He also holds 5 U.S. patents.Scott C. Smith is Department Chair and Professor of Electrical Engineering and Computer Science at Texas A&M University Kingsville. His areas of expertise include Asynchronous Logic, NULL Convention Logic, and CAD Tools for Digital Design. Professor Smith has published over 100 refereed technical journal/conference/book chapter articles, and also holds 8 U.S. patents.