Professor in Robotics at the Vrije Universiteit Brussel and member of the Brussels Human Robotic research center (www.brubotics.eu). He performed research stays in AIST, Tsukuba, Japan and IIT, Italy. He investigates soft and variable impedance actuators for applications in human-robot interaction like prostheses, exoskeletons, coworkers, legged robots and social robots. He received an ERC Starting Grant on Series-Parallel Elastic Actuation for Robotics (SPEAR). He is EiC of Robotics & Automation Magazine and member of the Flemish Young Academy.