About us


AIA Members since 1996.

Valid and current California Architect´s License since 1996.

LEED™ Accredited Professional.

At Amunátegui Barreau Arquitectos Asociados A.I.A., or ABA, we specialize in cross-cultural architectural services, including architecture, planning, interior design and real estate development. We have designed, detailed and developed well over 6 million square feet over the past fourteen years of practice in Chile and Argentina, in a broad spectrum of building types. Recent projects include subterranean subway stations, the new domestic passenger terminal for Santiago’s International Airport, the passenger terminals for the 1998 addition to Santiago International Airport (Government-issued schematic design), as well as its complimentary regional counterpart, embassies, large mixed use developments such as World Trade Center Santiago and Santiago Marriott, high-end single family residences, Casinos, institutional and/or corporate office complexes, interior design, master planning and more.

We conduct all of our work based on the American Institute of Architects protocol, including our contract structure, graphic standards, CADD layering systems, fee proposals and construction documentation.
We hold a current California Architect’s License and A.I.A. membership, numbers 205739 and 30124136, respectively. We also hold a 1 st Category-Superior Consultant Certificate issued by Chile’s Ministry of Public Works, or MOP, which enables us to undertake very-large-scale government work.

Sergio Amunátegui Undurraga, Partner


  • 1985: Architect degree, Texas A&M University.
  • 1989: Master in Architecture, University of California, Berkeley.
  • 1994: Professional License of Architect, State of California.
  • 1995: Member, American Institute of Architects (AIA).

Partner of Amunátegui Barreau Arquitectos AIA. It participates in the design, construction, remodeling and expansion of the Santiago Airport since 1998. It has also designed and built large-scale complexes in Chile, Argentina, Colombia, Ecuador and the USA. He has been an adjunct professor at the Department of Architecture and Urbanism of the Universidad de Chile and associate dean of the School of Architecture and Art of the Universidad del Desarrollo. He holds a State of California Architect’s License, is a LEED AP and both a member of the American Institute of Architecture and the Chilean Institute of Architects.

Carmen Barreau Velasco, Partner


  • 1985: O.E.A. Grant (July – August) School of Architecture, Cornell University, USA.
  • 1989: University of Chile Architect degree, approved with Maximum Distinction.

Partner of Amunátegui Barreau Arquitectos AIA. It participates in the design, construction, remodeling and expansion of the Santiago Airport since 1998. It has also designed and built large-scale complexes in Chile, Argentina, Colombia, Ecuador and the USA.

Javier Basualdo Cifuentes, Associate Architect


  • 1998: Professional Title of Architect, University of Chile
  • 2020: Master of Architecture, Pontificia Universidad Católica de Chile, approved with Maximum Distinction.

Associate Architect at Amunátegui Barreau Arquitectos AIA since 2012. He has designed and built works in Chile, Argentina and Colombia. He has been an adjunct professor at the Faculty of Architecture and Urbanism of the Universidad de Chile, Universidad de Talca and Universidad del Desarrollo. He has collaborated as a researcher in projects related to the Magister program of the Pontificia Universidad Católica de Chile.

Timeline


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