John Yu is currently based in Atlanta, USA with Baker Hughes, as Global Technical Leader of Machinery Diagnostic Services at Bently Nevada. After obtaining his PhD in Mechanical Engineering from University of Alberta in 1997, he joined Bently Rotor Dynamics Research Corporation, followed by General Electric – Bently Nevada in 2002. He obtained his BSME and MSME from Shanghai Jiao Tong University. He has performed not only rotor dynamic research but also machinery vibration diagnostics for customers worldwide. He is a Fellow of the American Society of Mechanical Engineers (ASME), and has served as associate editor of the ASME Journal of Vibration and Acoustics. He received the 2001 John P. Davis Award by ASME IGTI. He has authored numerous technical papers in refereed journals and conference proceedings. He has also served many times as Session Chair for ASME conferences. He currently serves as an Advisory Committee member to the Asia Turbomachinery & Pump Symposium and Chinese International Turbomachinery Conference.