Dr. Rajendra Kumar is presently working as Associate Professor in Computer Science and Engineering Department at Sharda University, Greater Noida. He holds PhD, M. Tech. and B. E. (all in Computer Science). He has 25 years of teaching, research and administrative experience at various accredited institutes and universities like Chandigarh University (NAAC A+). His field of interest includes Human Computer Interaction, Vein Pattern recognition, IoT, Blockchain, Theoretical Computer Science. He has published/presented more than 45 papers in peer reviewed journals of repute and conferences held in India and abroad. Three patents, four edited books (with CRC press | Nova Science Publisher | De Gruyter) and two monographs are also in his credit. He is author of 05 textbooks for publishers like McGraw Hill Education, Vikas Publishing House, Firwall Media, University Science press (Laxmi Publications). He has co-edited 08 conference proceedings. He has chaired many sessions in international conferences. He has been member of the organizing committee of 08 international conferences held in Malaysia, Thailand, Indonesia, Singapore and online. He is Editor-in-Chief of ADI Journal of Recent Innovations (AJRI), Indonesia. He has been member of Board of Studies of UPTU (now AKTU), Lucknow. He is life member of the Society for Research Development (SRD) and member of IEEE, IACSIT, IAENG, UACEE, SCIEI, CSTA, etc. and is the reviewer of various reputed journals like Medical & Biological Engineering & Computing (Springer), Expert Systems with Applications (Elsevier) LSM (Malaysia), etc.