He received the M.S. and Ph.D. degrees in computer science from West Virginia University, Morgantown, WV, USA, in 2005 and 2008, respectively. He has authored more than 200 publications in refereed journals, book chapters, and conferences. His research has been funded by the Unique Identification Authority of India and DIT. He was a recipient of the FAST Award Project by DST, India. His areas of interest are biometrics, image processing, machine learning, and information fusion. He is the Vice President (Publications) of IEEE Biometrics Council, Area Editor of Information Fusion Journal (Elsevier), and Associate Editor of IEEE Access.