Hosoya Schaefer Architects

Zürich | Since 2003

Hosoya Schaefer Architects
Reinhardstrasse 19, 8008 Zürich, Switzerland
Phone +41 (0)43 243 63 13
Fax +41 (0)43 243 63 15


Hosoya Schaefer Architects
Hiromi Hosoya, MArch, BA, BFA

HIROMI HOSOYA is Japanese. She has Bachelors in English Literature, Fine Arts, and Architecture as well as a Masters in Architecture from Harvard University. After working for several years in international trade for a large Japanese conglomerate, she studied architecture at Rhode Island School of Design and Harvard University where she graduated with Rem Koolhaas co-publishing the Harvard Guide to Shopping. Afterwards she worked for five years for Toyo Ito & Associates, Architects in Tokyo and Rotterdam. She is currently a University Professor at Akademie der Bildenden Künste Wien, Austria

Markus Schaefer, MScie, MArch, SIA/Reg. A

MARKUS SCHAEFER is Swiss. He has a Masters of Architecture from Harvard University. In addition, he also has a Masters in Neurobiology from the University of Zürich. At Harvard, he first collaborated with his current partner Hiromi Hosoya on the Harvard Guide to Shopping, edited by Rem Koolhaas and published by Taschen in 2001. Prior to founding Hosoya Schaefer, Markus Schaefer was a director of AMO in Rotterdam. AMO is the think tank and research department of OMA, the architecture office established by Rem Koolhaas. Markus Schaefer taught at the Berlage Institute in Rotterdam and held a professorship at the Akademie der Bildenden Künste Wien, Austria.


HOSOYA SCHAEFER ARCHITECTS AG is a Zürich based studio for architecture, urban design and research. It was founded by Markus Schaefer and Hiromi Hosoya in 2003. With an international network of collaborators, the studio is involved in the design and realization of buildings, urban design and planning, media installations, research and information design. The firm won 1st prizes to design a new private airport in St. Moritz–Samedan in Switzerland, and a masterplan for the redevelopment of 230 ha in Ljubliana, Slovenia. In 2008, the firm received a Contract World Award “New Generation” and a Holcim Foundation Award for sustainable architecture. Current work includes re-planning the railroad station area in St. Moritz or research for and design of a media installation on mobility in urban systems for Volkswagen. A combination of project practice, academic work and research for clients allows the firm to develop and refine a systemic and innovative understanding of our common urban future.


Muotapark (invited competition, 2010)
Nature Museum, St. Gallen (competition 2010)
Housing development, Bonstetten (invited competition 2010)
St. Moritz railroad station development (competitive study 2009, first prize ex aequo)
More than Housing, Zürich (invited competition 2009)
Airport Engadin, St. Moritz – Samedan, Switzerland (competition 2008, 1st prize)
Celovska: Mixed use development in Ljubljana, Slovenia (competition 2008, 1st prize ex aequo)
Smartinska Partnership, Ljubljana (competition 2008, 1st prize)
Aarburg, train station area (competiton 2008, 3rd prize)
Performing Arts Center, Taipei, Taiwan (competition 2008)


LJUBLJANA, Glasilo Mestne obcine Ljubljana, 3-4/2009, p. 2-9
WERK, BAUEN + WOHNEN, Ljubljana, 6/2009, p. 19
URBANA PRENOVA, Drustvo urbanistov in prostorskih planerjev Slovenije, Ljubljana 2009, p. 103-106
ZDF NACHRICHTENSTUDIO, ZDF Mainz, Dezember 2009, p. 34
TRAVEL, SPACE, ARCHITECTURE, Jilly Traganou (co.-ed), Ashgate 2009, p. 258-272
DAS MAGAZIN – Menschen, denen die Zukunft gehört, Nr. 12, 21.3.-27.3.2009, p. 30-33, p. 42
SONNE, WIND & WÄRME, Solarwärme - Solarstrom, 13/2009, p. 130
ARRIVAL, Engadin Airport Magazine 2009, p. 2, 4-7
URBAN FLUX, Vol. 8, 2009/4, p.96-99
GLAMOROUS, the ultimate magazine for St. Moritz and the Engadin, 01/10, p. 26-31
RESTAURANT & BARS, Architektur heute!, Taschen, p.182-187
QUINZE & MILAN PRESSKIT, “Make your own Furniture”, April 2009
EAT OUT! Restaurant Design and Food Experiences, gestalten, March 2010, p.26-27
CREATE, Eating, Design and Future Food, Gestalten 2008, p. 194-195
AIT, “Architektur, Innenarchitektur, Technischer Ausbau”, Titlepage, 10/2008
CONCEPT, “International Magazine of Competition”, p. 70-77, vol. 111, July 2008
Domus China, “Contemporary Architecture Interiors Design Art“, p. 103-107, March 2008
IW Interior Space, “Design & Detail”, p.48-55, vol. 63
BOB, “International Magazine of Space Design”, p. 94-101, vol. 039
FRAME, “The Great Indoors, Nature & Artifice”, vol. 60, January/ February 2008
DOMUS CHINA, “Contemporary Architecture Interiors Design Art“, p. 103-107, March 2008
FLASH, p. 17, Letnik l, Stevilka 04, Poletje 2008
CONCEPT, International Magazine of Competition, p. 70-77, vol. 111, July 2008
MONOCLE, Global affairs, business, culture & design, Aviation special, vol. 02, issue 14, June 2008
HOCHPARTERRE, Zeitschrift für Architektur und Design, p. 54-57, 04/2008
ARRIVAL, Engadin Airport Magazine 2008, p. 9
Applepro.com: Mobiglobe
ICON, Monthly Magazine of the Year, p.73, issue 052, October 2007
ABITARE, “Interiors Design Architecture”, p. 118-127, 222/ 223, issue 477, November 2007
AMC, “Special Interiors 2008”, p. 134-137, December 2007
IW, “Interior Space - Design & Detail”, p.48-55, vol. 63
BOB, International Magazine of Space Design, p. 94-101, vol. 039
Baunetz – Grenzgänger: “Fast-Forward Architecture”
Tagesspiegel, Berlin: „Geldberge statt Gletscher“
Le Moniteur France, “Details – Facade dedans/dehors“, P.140-141, December 2005
de Architect, “Light Constructie”, July – August 2005
Dax magazine, “Aluminum Gordijn”, jaargang1 - nr2, July – August 2005


Holcim Sustainable Construction, Region Europe, Acknowledgment for Hypercore Office Building in Milan

Contractworld Award “New Generation” for ANAN, a restaurant for Autostadt Wolfsburg

“Sun Peak”, the project proposed by Hosoya Schaefer and IBV Hüsler AG for the RhB railroad station in St. Moritz has been chosen as the basis for further development together with the project developed by GMP, Germany. Collaborators included Müller Illien Landscape Architects, Arctech Management AG, Space Syntax and Joseph Schwartz.

Thursday, June 11th, 2009
Hosoya Schaefer Architects received a 3rd prize in the competition for a station development in Aarburg, Switzerland in 2010.

Thursday, September 25th, 2008
Categories: Awards
Hosoya Schaefer Architects receive an Acknowledgment at the Holcim Awards 2008 in Madrid for their Hypercore Office building in Santa Giuila, Milan, Italy. Almost 5000 projects from 90 countries were entered in the second Holcim Awards competition. From the official press statement: “The use of passive design elements, natural ventilation, and incorporation of public spaces [...]

Friday, May 2nd, 2008
Categories: Awards
Hosoya Schaefer Architects win first prize in the “Šmartinska Partnership” competition in collaboration with Space Syntax, London and Wüest & Partner, Zürich. The task was to create a masterplan for the redevelopment of 230 ha in Ljubljana. This strategically important site in Ljubljana stretches from the central railstation to the highway ring and, among other [...]

1st Prize – Porta Noricum
Monday, March 24th, 2008
Hosoya Schaefer Architects win the first prize in the competition for a mixed use development in Ljubljana, Slovenia in 2008.

Monday, February 4th, 2008
Categories: Awards
Hosoya Schaefer Architects win the first prize in the competition for Engadin Airport in St.Moritz – Samedan, Switzerland.


2009 Architekturzentrum Wien: “Balkanology: New Architecture and Urban Phenomena in South Eastern Europe”
2008 Swiss Architecture Museum: “Balkanology: New Architecture and Urban Phenomena in South Eastern Europe”
2006 Venice Biennale: “Beyond Mapping” (with the Berlage Institute, Rotterdam)
2006 Ljubljana City Hall: ‘Light Capital: Urban Scripts for Ljubljana’ (with the Berlage Institute, Rotterdam)
2006 Cornell University, Ithaka, NY: “Japan Now”
2005 Kulturzentrum Seedamm, Pfäffikon SZ: „Mapping Switzerland“
2004 Groningen: „The Intense Stad“, ‘Vondellaan te Groningen’


2010 ETH Zürich
2009 Panel at Bavarian Chamber of Architects, Munich
2009 Property & Faciliity conference, executive campus HSG, St. Gallen
2009 Urban Reset conference, Hafencity University, Hamburg
2009 Kornhausforum Bern
2009 Stahlbauforum Baden
2009 Symposium Kunstareal, Munich
2008 Academy of Fine Arts Stuttgart
2008 vlow! conference, Bregenz
2008 Salone die Mobile Milano
2008 Contractworld Hanover
2007 Universität der Künste Berlin
2007 Academy of Fine Arts Bratislava
2007 Academy of Fine Arts Vienna
2007 Technical University Vienna
2007 Panel at Freezone, Swiss Architecture Museum, Basel
2006 Stuttgarter Medientage
2006 Japan Now, Cornell University, Ithaka
2006 Kulturzone 06, Schirn Kunsthalle und Messe Frankfurt
2006 Volkswagen Global Conference, Wolfsburg
2006 Trendtag Hamburg
2006 International Symposium on Metropolitan Regions, TU Munich
2005 Alpbach Symposium
2005 Tweakfest Zürich
2004 Architekturzentrum Wien
2004 Holcim Forum on Sustainability
2004 The Intense City, Groningen
2004 Alpbach Symposium