S.H. El-Gohary received BS and MS degrees in the Department of Biomedical Engineering from Cairo University, Cairo, Egypt. He joined Kyung Hee University, Yongin, Korea, in 2012. Since 2005, he has been with the School of Engineering, Cairo University, where he works as a teaching lecturer. In 2016, Dr ElGohary got his doctor degree and joined Cairo University for assistant Professor position. His main areas of research interest are high-sensitivity plasmonic biosensors with metallic nanostructures and theoretical studies on tissue-light interactions.