Teun Castelein (1980) is an artist known for a wide range of entrepreneurial adventures. He calls himself a 'one-man conglomerate' operating from the city of Amsterdam with the ambition of overtaking the world. With his projects he researches and questions the functioning of the free market and the chances of survival for the artistic and humanistic.

Castelein graduated from the Sandberg Institute (MA program of the Gerrit Rietveld Academy) in 2007 with offering advertising space on the façade of the institute. Subsequently he brewed the political beer ‘Halbe’, trademarked ‘Allah’, recycled chewing gum, started a shipping company with boat refugees and sold original pieces of polar ice.

His work is widely covered by national and international media. For his shipping company 'Rederij Lampedusa' he received the Peace Pigeon at International Peace Day 2017. Castelein was nominated 'citizen of the year 2016' by the municipality of Amsterdam.

As a tutor he has developed programs and practices at the Willem de Kooning Academy, Design Academy Eindhoven and Sandberg Institute on topics like branding, social design and social dreaming.

He is also a member of pop rock collective 'The Geert Wilders’.