Dan Keren is a physiotherapist at ALYN Hospital. In addition to his clinical responsibilities, he is a researcher at the ALYN PARC Helmsley Research Center, under the guidance of Dr. Schless. His research project is an extension of the postdoctoral work of Dr. Marije Goudriaan at the Vrije Universiteit, Amsterdam and Amsterdam UMC, under the guidance of Prof. Nadia Dominici. Dan’s research is focused on evaluating the influence of ankle-foot orthoses on selective motor control complexity during gait in children and adolescents with cerebral palsy. This project contributed towards his master’s thesis at Ariel University, in collaboration with Prof. Shmuel Springer.