Oscar Malinowski, M.Sc. is currently a research associate at the Chair of Machine Tools at the Laboratory for Machine Tools and Production Engineering (WZL) of RWTH Aachen University in Germany. He started his scientific career with a bachelor’s degree in mechanical engineering, followed by a master’s degree in aerospace engineering from the RWTH Aachen University. He joined WZL as a research engineer in 2019. Since then, he focused on investigation and design of highspeed rolling bearings and spindle bearing systems. Furthermore, his research includes optimization methods for balancing of motor spindles to improve structural dynamic behavior of machine tools.