Matthew Baker is Head of Radio Physical Layer and Co-Existence Standardisation at Nokia, and a Distinguished Member of Technical Staff. He was Chairman of 3GPP TSG RAN Working Group 1 from 2009 – 2013, and Vice-Chairman of the same group from 2013 – 2017. He has actively contributed to the standardization of UMTS/HSPA, LTE and 5G in 3GPP. Prior to joining Alcatel-Lucent (now Nokia) in 2009, he worked at Philips for 12 years, where he conducted research into a variety of wireless communication systems and techniques, including propagation modelling, DECT, Hiperlan and UMTS, as well as leading the Philips 3GPP RAN standardization team. He holds degrees in Engineering and Electrical and Information Sciences from the University of Cambridge. He is a Chartered Engineer, a Member of the Institution of Engineering and Technology and a Visiting Professor at the University of Reading, UK. He is co-editor of “LTE – The UMTS Long Term Evolution: From Theory to Practice” (Wiley, Second Edition 2012), has authored many papers and holds numerous patents in the field of mobile communications.