David Sánchez Montero was born in Seville, Spain, in 1978. He received the M.S. degree in telecommunications engineering from the University of Seville, Spain, in 2003 and the Ph.D. degree in electrical, electronics and automation engineering from Carlos III University of Madrid, Spain, in 2011. From 2004 to 2012, he was a Teaching Assistant with the Electronics Technology Dpt. at Carlos III University of Madrid as a Member of the Displays and Photonic Application Group, becoming Lecturer from 2012 to 2015. Since 2015, he has been a Visiting Associate Professor with the Electronics Technology Dpt. at Carlos III University of Madrid. He is the author of one book, two book chapters, more than 80 papers in journals and conference proceedings, and holder of two patents. He was a visiting researcher at ZHO-Universität Duisburg-Essen Germany, INESC-Porto Portugal, DTU-Fotonik Metro-Access & Short Range Systems Division Denmark, and the Research Laboratory of Electronics, Massachusetts Institute of Technology, USA, working on different research topics. His research interests include fiber-optic sensors, multimode silica and polymer optical fibers (POF), optical access networks and monitoring techniques, Radio over Fiber systems, WDM and FTTx networking, power-over-fiber and spatial division multiplexing (SDM) architectures in multicore fibers. He has participated in different European projects and networks in the IST framework programme such as EPhoton/One+, BONE (Building the Future Optical Network in Europe) being currently involved in BlueSpace project (Building the Use of Spatial Multiplexing 5G Networks Infrastructures and Showcasing Advanced Technologies and Networking Capabilities ). He has also participated in several national researching projects and consortiums.