Ajit Kumar Nayak (Member, IEEE) received the degree in electrical engineering from the Institution of Engineers, India, in 1994, and the M.Tech. and Ph.D. degrees in computer science from Utkal University, in 2001 and 2010, respectively. He is currently the Professor and the HoD of the Department of Computer Science and Information Technology, Siksha ‘O’ Anusandhan (Deemed to be University), Bhubaneswar, Odisha. He has coauthored a book Computer Network Simulation using NS2 (CRC Press). He has published about 55 research papers in various journals and conferences. His research interests include computer networking, ad hoc and sensor networks, machine learning, natural language computing, speech, and image processing. He has also participated as an organizing member of several conferences and workshops at the international and national levels.