Because he is some kind of TED-speaking Bob The Builder: he combines design- and building power with his professional drive for leadership and innovation. Geert is an organizational blender who loves putting (new) concepts into practise in any context. As long as he gets to work with people.
Apart from adventurous intercontinental mountainbiking, Geert is a true garden lover. Gets goosebumps when picking fruit from his trees, and every autums curses the weasel looting his nuts.
Order and administration (although at home he built himself an ingenious closet system that manages any kind of mess).