Maarten Gielen presented “Complementary remarks on a discussion” at the inaugural Holcim Roundtable 2014 and participated in the 2nd Holcim Roundtable 2015. He was a workshop presenter at the 6th Holcim Forum 2019.

Rotor handles the conception and realization of design and architectural projects; and also develops critical positions on design, material resources, and waste through research, exhibitions, writings, and conferences. The group curated OMA/Progress, a large exhibition on the work of OMA, at the Barbican in London (2011).

He started his career at the age of 15, selling decorative items and objects found at scrap merchants and flea markets to fashion stores and florists. Arriving in Brussels in 2002, he set up BSF to offer technical assistance using salvaged materials to small cultural organizations. Two years later, the association merged with the organizations of Zinneke Parade, where Maarten Gielen set up a program for the reuse of industrial waste.

For his contribution as an author, designer and projects initiator, Maarten received the Maaskant Prize for Youngs Architects, one of the highest distinctions of its kind in the Benelux. He has lectured extensively in architecture and design schools across Europe, Asia and the USA.