Augustine O. Nwajana holds a PhD in Electrical and Electronic Engineering from the University of East London UK, and a research CPD certificate in Practical Antenna Design: from Theory to Practice, from the University of Oxford UK. He was with Siemens AG as a Telecoms Engineer for four years (2005 to 2009), where his experience spanned many countries including USA, UK, UAE, Germany, South Africa, Ghana, and Nigeria. He was also with Coventry University (as an associate lecturer) and with University of East London (as a part-time lecturer). Dr. Nwajana is currently a senior lecturer with the University of Greenwich where his current research interest includes RF energy harvesting/scavenging; battery-less RF/microwave systems; passive RF/microwave devices, etc. He has authored/co-authored five books, several journal articles, book chapters, and conference papers. Augustine is currently serving as editor for IGI Global USA, and Electronics MDPI Switzerland. He has served as keynote speaker and TPC member for several conferences. He is a Senior Member of the IEEE, and a Fellow of the UK Higher Education Academy. He was a recipient of the Federal Government of Nigeria Scholarship Award.