Dr. Rabeay Y. A. Hassan is Associate Professor in the Nanoscience Program, Zewail City of Science and Technology (Cairo, Egypt). In 2011, he received the PhD in Bioanalytical Chemistry from Braunschweig University of Technology (Germany). In 2013, he joined the group of Biosensors and Bioelectronics, University of Technology Potsdam, Germany, as a Postdoctoral research fellow. In 2014, he joined the group of Proteomics and Microbiology, UMONS in Mons, Belgium. In 2015, he was a visiting scholar at University of California, USA. He has been granted several scientific fellowships such as the American National Academy of Sciences, Erasmus-Munds and DAAD. The major research interest of Dr. Hassan is microbial electrochemistry, electrochemical nanosensors and biosensors.