Arantza Ozaeta and Álvaro Martín Fidalgo are architects who combine professional practice with academic and research work. They founded OZAETA-FIDALGO Architects in 2023 -previously known as TallerDe2- established in Madrid (Spain). They conceive their work as a collaborative practice, by gathering working teams with members whose diverse backgrounds contribute to achieve high quality projects with responsible results for a happy life. Their interests focus on the exploration of architecture as a vehicle for urban regeneration, intergenerational care, and socio-environmental challenges, developing initiatives in collaboration with private, municipal and territorial agents in permanent commitment to innovative practice.

They have won and built national and international competitions, and their work has been recognized on multiple occasions, including the Architectural Record Design Vanguard (2025), the German Bauwelt-Preis Award (2013), the COAM-Luis Moreno Mansilla Award (2013), the FAD Award for Thought and Criticism (2016) in collaboration with HipoTesis publisher, or the Europe 40under40 (2017) by the European Centre. His work has also been selected and exhibited in the Spanish Architecture Biennial (2013-2021), the FAD International (2014) and the FAD Architecture (2020). Also in the international exhibitions 'Archipaper. Dibujos desde el plano' (2018), 'Architetus Omnibus?`(2015) or 'Export Arquitectura Española en el extranjero' (2015). They have curated the lecture series Argument#1 "Sampling-Contexts" (2019), Argument#5 "Proximities (2024) and TAG VOL.1 (2024) at the ETSAM where they are also editors of the homonymous books that were recognized with the COAM-Diffusion Award (2021). Their work has been published on numerous occasions in magazines such as A+U, Arquitectura Viva, Architectural Record, A10, Bauwelt, Plot, Detail or Domus.

Arantza Ozaeta and Álvaro Martín Fidalgo have developed their teaching activity at the AA-Architectural Association School of Architecture in London, the Hochschule Coburg University of Applied Sciences in Germany, the IE School of Architecture and Design where they are currently teaching in the Master in Interior Design and in Bachelor in Design, and at the Escuela Técnica Superior de Arquitectura de Madrid-ETSAM, where they are currently professors in the Architectural Design Department.