Dr. Hung Nguyen-Schäfer is a senior expert in development of turbochargers at Bosch Mahle Turbo Systems (BMTS) in Germany. He received his B.Sc. and M.Sc. in mechanical engineering focusing on nonlinear vibrations in fluid mechanics from the University of Karlsruhe, Germany in 1985 and his Ph.D. in nonlinear thermo- and fluid dynamics from the same university. In 1988 he joined the Bosch company and worked as a technical manager on many development projects. Since 2007, he has been in charge of rotordynamics, bearing, and designing platforms of automotive turbochargers at Bosch Mahle Turbo Systems (BMTS) located in Stuttgart, Germany, the joint venture of Bosch and Mahle. He is also the author of Rotordynamics of Automotive Turbochargers, Springer, 2012.