Developer, nature observer, child remained astronaut.
What he does not yet know, he finds out. Even if it’s going to take a while. But there is so much to discover, one needs to slow him down. Jan is placing high demands. On others and also on him self. Is there a better way? Or faster? Or easier? Proof of that are not only his skills in table tennis, billard and dancing. Also a special triathlon was invented specially for him: TiBiDa.