Dr. Ajay Kumar's research interests include biometrics with the emphasis on hand biometrics, vascular biometrics, iris, multimodal biometrics, pattern recognition with the emphasis on biometrics, and defect detection using wavelets, general texture analysis, neural networks, and support vector machines. As a key member of cognitive computing lab, he is responsible for conducting research in the area of cognitive biometrics.

Dr. Kumar is currently an Assistant Professor with the Department of Computing, Hong Kong Polytechnic University, Kowloon, Hong Kong. He received the Ph.D. degree from the University of Hong Kong, Hong Kong, in May 2001. He was a Post-Doctoral Researcher with the Department of Computer Science, Hong Kong University of Science and Technology, Hong Kong, from October 2001 to December 2002. From 2003 to 2005, he was a Post-Doctoral Fellow with Hong Kong Polytechnic University, Hong Kong, where he was with the Department of Computing from April 2004 to January 2005. From 2005 to 2007, he was an Assistant Professor with the Department of Electrical Engineering, Indian Institute of Technology, New Delhi, India. He holds three U.S. patents and has published extensively on biometrics and computer-vision-based industrial inspection. His current research interests include biometrics with the emphasis on hand biometrics, vascular biometrics, iris, multimodal biometrics, pattern recognition with the emphasis on biometrics, and defect detection using wavelets, general texture analysis, neural networks, and support vector machines. Dr. Kumar is currently on the editorial board of the IEEE TRANSACTIONS ON INFORMATION FORENSICS AND SECURITY and serves on the IEEE Biometrics Council as a Vice President (Publications). He has been an Area Editor for the Encyclopedia of Biometrics (Springer, 2009) and served on the program committees of several international conferences and workshops. He was the Program Chair of the Third International Conference on Ethics and Policy of Biometrics and International Data Sharing in 2010 and is the Program Co-Chair of the International Joint Conference, Washington, DC, in 2011.