Dr. Rabeay Y. A. Hassan is an associate professor in the Nanoscience Program at Zewail City of Science and Technology (Cairo, Egypt). In 2011, he received a PhD in bioanalytical chemistry from Braunschweig University of Technology (Germany) after working for four years at the Helmholtz Center for Infection Research (Braunschweig). 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 the University of California, USA. He has received several scientific fellowships, such as DAAD, Erasmus-Munds and the American National Academy of Sciences. The major research interest of Dr. Hassan is microbial electrochemistry, electrochemical nano-sensors and biosensors.