Dr. Jan Middelkamp (1969) graduated at the Academy of Physical Education (Bachelor Degree), additionally in Sports, Exercise and Health at Utrecht University (Master in Science Degree), and Health Behaviour Change at the Radboud University (PhD). He started his career in the fitness industry as a judo teacher and was part of the Dutch National Judo Team for many years. Later he became a COO of multiple international fitness chains and CEO of the HDD Group.