Sumit Hassan Eshan is the Lead Technical Engineer in the Microsoft & Cyber Security Department at Contessa Solutions & Consultants Ltd.. He earned his Bachelor of Science in Electrical and Electronic Engineering (EEE) from American International University-Bangladesh. His research interests encompass materials science, smart and biomedical antennas, biosensors, photonics and optoelectronics, wireless power transfer (WPT), wireless communication systems, and Internet of Things (IoT) technologies, with a focus on developing innovative and energy-efficient solutions for next-generation applications. He has authored 13 research publications, including 5 peer-reviewed journal articles and 8 papers presented at international conferences. Among them, a Q1 journal article on a multi-walled carbon nanotube–based patch antenna for breast cancer detection was selected as a cover feature, underscoring its significance in advancing biomedical diagnostic technologies. His recent research focuses on the integration of wireless power transfer (WPT) techniques with biomedical antenna systems to enhance wireless functionality, operational reliability, and energy efficiency in next-generation medical applications. His professional expertise includes cloud and Microsoft 365 security solutions, Azure administration, identity and access management, along with the design and optimization of advanced wireless communication systems, smart antennas, and energy-efficient RF technologies.