HIROSHI YABUNO is Professor of Mechanical Engineering at University of Tsukuba in Japan. In 1990, he attained his Ph.D. in Engineering from Keio University, Japan and was appointed Professor at Keio University. He was a Visiting Scholar at the Virginia Polytechnic Institute and State University in 1997 and, in 2002 and 2008, he was a Visiting Professor at the University of Rome “La Sapienza”. He was also Chair of Working Party II (Dynamical Systems and Mechatronics) of IUTAM. He is an associate editor of international journals including Journal of Computational and Nonlinear Dynamics (ASME), Nonlinear Dynamics, Journal of Vibration and Control, and International Journal of Dynamics in Various Mechanical Systems and Control. His research interests include analysis and control of nonlinear dynamics and positive utilization of the nonlinear instability phenomena to mechanical systems in particular, micro/nano resonators.