Ahmet Kahraman is the Winbigler Designated Professor of Mechanical and Aerospace Engineering at the Ohio State University. He is the Director of the Gear and Power Transmission Research Laboratory (GearLab) and its industrial consortium of more than 75 companies. He also directs Pratt & Whitney Center of Excellence in Gearbox Technology. He received his Ph.D. degree in Mechanical Engineering from Ohio State in 1990. He worked for General Motors for 10 years before moving to academia. His research focuses on several areas of power transmission and gearing including gear system design and analysis, gear and transmission dynamics, gear tribology and efficiency, wear and fatigue life prediction, and test methodologies. He authored more than 250 papers on various aspects of gear and power transmission research. He serves on the editorial boards of Journal of Sound and Vibration, and Journal of Multi-body Dynamics. He is a fellow of ASME. He is the recipient of OSU’s Alumni Award for Distinguished Teaching.