Paul Jennen graduated from Nijmegen University with a degree in Physics, majoring in experimental solid-state physics on the topic of Andreev reflection. He worked in product development of UV light sources from 1995  to 1999. Thereafter he became a Dutch patent attorney in 2003, and a European patent attorney in 2004. He worked in private practice until 2007, where clients included a.o. personal care multinationals, and lithography machines. In 2007 he joined the Lely Group, specialising in agricultural robots. During the last 20 years he also gained extensive experience in the field of medical imaging.