Marcos Katz has been a Full Professor at the Centre for Wireless Communications, University of Oulu, Finland, since December 2009. He received the B.Sc. degree in Electrical Engineering from the Universidad Nacional de Tucumán, Argentina, in 1987, and the M.Sc. and Ph.D. degrees in Electrical Engineering from the University of Oulu, Finland, in 1995 and 2002, respectively. From 1987 to 2001, he held various positions at Nokia, Finland. He was a Research Scientist with the Centre for Wireless Communications, University of Oulu, from 2001 to 2002. Between 2003 and 2005, he served as Principal Engineer at Samsung Electronics, Advanced Research Laboratory, Telecommunications R&D Center, Suwon, Republic of Korea. From 2006 to 2009, he was a Chief Research Scientist at VTT Technical Research Centre of Finland. Prof. Katz served as Chair of Working Group 5 (Short-Range Communications) of the Wireless World Research Forum (WWRF) from 2008 to 2012. He has authored and edited six books in various areas of mobile and wireless communications. He has co-authored more than 250 scientific publications and is the inventor or co-inventor of more than 50 granted patents. His research interests include sustainable and resilient wireless communications, optical wireless communications, reconfigurable hybrid optical-radio communication systems, Internet of Things (IoT) technologies, and 6G systems