Arantza Ozaeta Cortázar (Haro 1982) Architect / Partner
She studied architecture at the Madrid Polytechnic ETSAM, between 2000 and 2008. She has worked for José Ballesteros, Director of the magazine Pasajes de Arquitectura y Crítica, between 2006 and 2008. She completed the coursework for the PhD at the Madrid Polytechnic ETSAM in the Deparment of Advanced Projects in 2010.
She is a PhD candidate at the Madrid Polytechnic ETSAM, where she is Teaching Fellow in Masters degree since 2009.

Álvaro Martín Fidalgo (Zamora 1980) Architect / Partner
He studied architecture at the Madrid Polytechnic ETSAM and at the TU Delft of The Netherlands, between 1998 and 2008. In 2004 he has collaborated in MVRDV (Rotterdam). Between 2006 and 2008 he has worked for Federico Soriano &  Associates (Madrid). He completed the coursework for the PhD at the Madrid Polytechnic ETSAM in the Deparment of Advanced Projects in 2010. 
He is a PhD candidate at the Madrid Polytechnic ETSAM, where he is Teaching Fellow since 2009.

In 2007 Arantza Ozaeta and Álvaro Fidalgo establish TallerDe2 Architects. 
TallerDe2 Architects is a Madrid based office for architecture, urban planning and landscape design. TallerDe2 Architects has international scope, and currently building in Spain and Germany.