Rakesh Nath Tiwari received the B.Sc. degree (Electronics and Physics) from the University of Allahabad, Allahabad, India, in 2002, the M.Sc. degree (Electronics) from Deen Dayal Upadhyaya Gorakhpur University, Gorakhpur, India, in 2004, the M.Tech. degree in Optical and Wireless communication Technology with Gold Medal from the Jaypee University of Information Technology, Solan, India, in 2008, and the Ph.D. degree from the Department of Electronics and Communication Engineering, Uttarakhand Technical University, Dehradun, India, in 2020. He is currently an Associate Professor with the Sandip University, Nashik, Maharashtra, India. He has authored or coauthored more than 60 articles in peer-reviewed International/National journals and conferences with more than 1600 citations with an H-index of 21. His current research interests include design and modeling of slot patch antennas, UWB antennas, circular polarization microstrip antennas, multi-input-multi-output (MIMO) antenna, wearable antennas, capsule endoscopy, and microwave/millimeter-wave integrated circuits and devices. Dr. Tiwari is a Life Member of the Materials Research Society of India (MRSI) and International Association of Engineers (IAENG). He is a reviewer for many reputed journals.