Jan-Hein is one of our longest-standing colleagues, absolutely one of a kind. He’s always there, not necessarily physically, but it feels like that. He likes to start the day with a cup of freshly made (filter!) coffee, after which he discusses the day with us. Only during the carnival you cannot phone him, he says, but we all know better. After all, no-one is more annoyed than he is when someone cannot be reached or does not respond quickly enough.