Mathis Güller (*68) studied architecture and urbanism at the ETH Zürich and at the Technical University Delft, Netherlands. He has worked for Domenig&Eisenköck in Graz, Raoul Bunschoten/Chora in London and Synergo, Zürich. From 1997 to 2000, he was project-architect for Maxwan in Rotterdam in architectural and urban design projects. Since 1995, he has participated in various urban design competitions and has been awarded several prizes.

Michael Güller (*70) studied physics and architecture at the ETH Zürich, and at RISD in Providence, RI, USA. He has worked with Plan&Design in Madrid, Torres/Martínez Lapeña and Enric Miralles in Barcelona, Kyna Leski in Providence, USA, Maxwan in Rotterdam, OneArchitecture in Amsterdam, and with Synergo in Zürich. Since 1995, he has participated in many international design and urban planning competitions and has been awarded several prizes.