Chika Ejikeugwu (PhD, 2017, UNIZIK, Nigeria) is a Fellow of the Alexander von Humboldt (AvH) Stiftung and a Senior Research Fellow at Helmholtz-Zentrum für Umweltforschung (UFZ), Leipzig, Germany. He founded www.MicrobiologyClass.net. Dr. Ejikeugwu was a DAAD postdoctoral fellow at Bundesanstalt für Materialforschung und -prüfung, Berlin, Germany (2021) and a MIF Postdoctoral Fellow at Kyoto University, Kyoto, Japan (2018). He holds a doctorate degree in Pharmaceutical Microbiology and Biotechnology. Dr. Ejikeugwu is a Senior Lecturer & Researcher at Enugu State University of Science & Technology (ESUT), Nigeria where he mentors undergraduate and postgraduate students on microbiology & other aspects of life.