Qi Xie is a Professor at Hangzhou Normal University, where he currently serves as the Dean of the School of Mathematics. Previously, he was the Dean of the School of Information Science and Engineering. He is also the Chairman of the Zhejiang Provincial Commercial Cryptography Society and the Director of the Key Laboratory of Cryptography of Zhejiang Province. He has been recognized as a World's Top 2% Scientist for five consecutive years (2021–2025). He received his Ph.D. in Applied Mathematics from Zhejiang University, China, in 2005. He was a Visiting Scholar at the Department of Computer Science, University of Birmingham, UK (2009–2010), and at the Department of Computer Science, City University of Hong Kong (2012). His research focuses on applied cryptography, including digital signatures, authentication, and key agreement protocols. He has published over 100 research papers in international journals and conferences, such as IEEE Transactions on Information Forensics and Security, holds 17 Chinese and U.S. patents, and has received one provincial/ministerial-level Award for Scientific and Technological Progress. He served as General Co-Chair for ISPEC 2012 and ACM ASIACCS 2013, and has been a reviewer for more than 50 international journals.