Gonçalo A. Manteigas is a partner at OOS and a member of the management board. As the person responsible for project management, he takes a holistic approach to processes and designs them efficiently. He is also responsible for cross-process coordination, resource planning and internal IT infrastructure.

He completed his architecture studies at ETH Zurich and then worked for six months at the ARX-Portugal architecture firm in Lisbon. He has been part of the core team at OOS since February 2007 and has been involved in numerous competitions and projects. These include the refurbishment of the Moods music club, the four apartment buildings in Andermatt for Andermatt Swiss Alps AG, the Open Ride indoor cycling studio and various office extensions for Wüest Partner, PartnerRe, Coca-Cola HSB Schweiz AG and Orbiz. In addition, he has been working as a client consultant on projects for the Nest Sammelstiftung for many years.