You've put a lot of time into the event. You want visitors to experience a fantastic event. But one thing is still missing: the Haarlemmer oil. Mark Elschot has supervised various meetings and congresses in recent years (from 10 to 1,000+)...

You've put a lot of time into the event. You want visitors to experience a fantastic event. But one thing is still missing: the Haarlemmer oil. Mark Elschot has a lot of experience of presenting all kinds of events.