Aki Mikkola received a Ph.D. degree in the field of machine design in 1997. Since 2002, he has been working as a Professor in the Department of Mechanical Engineering at Lappeenranta University of Technology, Lappeenranta, Finland. Currently, Mikkola leads the research team of the Laboratory of Machine Design. He has been awarded five patents, has contributed to more than 150 peer-reviewed journal papers and has presented more than 100 conference articles. His major research activities are related to flexible multibody dynamics, rotating structures, and biomechanics. Mikkola is currently Editor-in-Chief of the Journal of Multibody System Dynamics (Springer).