is a Franco-American architect and designer. In 2003 he founded Kalanke, a development NGO that has carried out architectural, artistic and educational projects in Mali and France. His work on « Transitory Cities », a proposal for a modular and flexible city responding to mass migration was awarded the Andre Arfvidson Architecture Prize from the French Academie des Beaux Arts in 2010. His prizes also include the Interior Design Best of Year (2013) and the Surface Design Award (2017). Nathanael’s work has been widely published and presented in exhibitions internationally (France, UK, USA, Italy, Sweden) including at the Serpentine Gallery Map Marathon 2010 . Besides his architectural practice, he teaches at ENSA Paris-Malaquais and Strate Ecole de Design.