Prof. Kar Ann Toh is a professor at the School of Electrical and Electronic Engineering at Yonsei University, South Korea. He received a PhD degree from Nanyang Technological University (NTU), Singapore, in 1999. He worked for two years in the aerospace industry before his post-doctoral appointments at research centers in NTU from 1998 to 2002. He was affiliated with the Institute for Infocomm Research in Singapore from 2002 to 2005 before his current appointment in Korea. During his sabbatical year in 2020, he worked with the Department of Electrical and Computer Engineering, National University of Singapore (ECE-NUS), as a visiting professor. Prof. Kar Ann Toh's research interests include biometrics, pattern classification, optimization, and neural networks. He is a co-inventor of a US patent and has made several PCT filings related to biometric applications. In addition to being an active member of publications (PAMI, Machine Learning, Neural Computation, etc.), Prof. Kar Ann Toh has served on the technical program committee for international conferences related to biometrics and artificial intelligence. He has also served as a reviewer for international journals including several IEEE Transactions. He is a senior member of the IEEE.