We are Breitner Ciaccia — Office of Architecture.

We are an architectural design firm with our feet firmly on the ground, merging creativity with pragmatism. Love of craft, conceptual dedication and technical prowess inform everything we do. We use creative vision, precise execution, technology, and collaboration to get it done. From elevator interiors to loft conversions to commercial development, we are the place that tackles our work with a unique creative energy, weaving our joyful approach to design and execution into every part of the process.

We are BC—OA.


  • Image of Bronwyn Breitner

    Bronwyn Breitner, AIA


    Bronwyn Breitner received her MArch with Distinction at Parsons the New School for Design, and her BA at Duke University in Anthropology and Photography. Prior to co-founding 590BC, Bronwyn worked at Smith-Miller + Hawkinson Architects on a wide range of projects including dense urban residential developments and medium scale commercial offices. Bronwyn has taught both undergraduate and graduate level design studios at Parsons the New School for Design and at the Pratt Institute. Bronwyn's work has been exhibited at The Center for Architecture in NYC and at the University of Alicante in Alicante, Spain.

  • Image of Luigi

    Luigi Ciaccia, AIA, LEED BD+C


    Luigi Ciaccia, LEED AP received his BArch with Distinction from The New York Institute of Technology. Prior to co-founding 590BC, Luigi had 5 years of experience as a senior associate at RMJM leading design teams on large scale urban projects in Europe, Asia, Middle East and the US, and 7 years of experience as a designer at KPF US and UK. While specializing in exterior enclosure design, Luigi's experience ranges from high rise design to interior design to landscape design.

Studio Members

  • Elizabeth Austin


  • Yuliya Rubanska


  • Davide Curiotto