Len Gelman, PhD, Dr. of Sciences (Habilitation) joined the University of Huddersfield as a Professor, Chair in Signal Processing and Condition Monitoring and the Director of Centre for Efficiency and Performance Engineering, in 2017 from Cranfield University, where he had worked as a Professor and Chair in Vibro-Acoustical Monitoring since 2005, creating a team focused on vibro-acoustical condition monitoring of complex systems with an emphasis on their practical deployment. During his time at Cranfield, Len has developed technologies which have been field trialled in applications ranging from aircraft engines, gearboxes, bearings, steam turbines, composite materials and centrifugal compressors. He has managed as the Principal Investigator contributions to multiple EU funded programs, UK DTI programs (4 grants), multiple EPSRC grants, Royal Society grant, USA National Academy of Sciences grant, USA National Research Council grant, and multiple industrial contracts, including multiple contracts with Rolls-Royce (6 contracts), contracts with SKF, Shell, Scottish Southern Energy (two contracts), Caterpillar (USA, two contracts), London Underground (three contracts) and Cranfield Boeing Centre of Excellence (3 contracts). Before joining Cranfield University, Len was the Principal Investigator of USA International Science Foundation grant, USA Civilian Reserach and Development Foundation grants (two grants), USA MacArthur Foundation grant, Israel Lady Davis grant and Italian Landau Centro Volta grant.