"He was about two metres tall, he was huge, and he had small glasses, " Mr Van Veen recalls.

BBC: Animal behaviour in the boardroom

Ape Management combines Mr Van Veen's two passions.

BBC: Animal behaviour in the boardroom

The mainly female audience of business people attending the course nod violently when Mr Van Veen describes how most offices have a set of dominant males, who slap each other's backs, stamp their feet and draw themselves up tall.

BBC: Animal behaviour in the boardroom

With these environmental concerns in mind, Van der Veen and his fellow Dutch captains Andreas Lackner and Jorne Langelaan set about building the Tres Hombres in 2007, using the hull of a former passenger ferry in the Aran Islands off the coast of Ireland.

CNN: Are traditional sail boats the future of trade?