HOSOYA SCHAEFER is a Zurich-based studio for architectural designs, strategies, and research. It was founded by Markus Schaefer and Hiromi Hosoya in 2003. With an international network of collaborators, the studio is involved in building design and realization, urban design, media installations, strategic planning, and consulting.



Hiromi Hosoya
Markus Schaefer
Alexander Kneer
Mélanie Jeannet
Valentin Ott
Gianni Arcangioli

Partners :

Hiromi Hosoya

MArch Harvard / SIA, Reg A

Markus Schaefer

MArch Harvard, MSc UZH / SIA, Reg A

Alexander Kneer

MAS ETH, Dipl.-Ing. Arch

Associates :

Mélanie Jeannet

MSc ETH Arch / SIA

Valentin Ott

Dipl.-Ing. Architekt

Gianni Arcangioli

Dipl.-Ing. Architekt TU, SIA

Team :

Martin Achermann

MSc ETH Arch

Ruth Bühler

Dipl.-Ing. TH

Madeleine Debaere

MSc Arch KUL

Oliver Franz

Dipl. Designer FH

Emils Garancs

MSc Arch

Martin Glen


Iurii Goncharenko

MSc Arch

Erwin Gruber

Dipl. Arch, ETH SIA

Pia Hartmann

M.A. Arch HCU

Pierre-Jean Holl

Dipl.-Ing. TU

Steffen Hollstein

MSc Arch KIT

Teppei Iizuka


Koosai Kitamura

Draftsman Arch EFZ

Urs Küng


Victor Lepik

MSc ETH Arch

Martyna Michalik

M.F.A., Dipl.-Ing. Arch

Ekaterina Nagibina-François

MSc Arch

Brigitte Odermatt

MSc ETH Arch

Joël Roth

Mediamatics Technician EFZ

Toru Shimizu

M.F.A., Dipl.-Ing. Arch

Petra Simões


Helena Sladovníková

Dipl.-Ing. Arch. TU

Niko Kazuma Steffen

Draftsman Arch EFZ

Juris Strangots


Niklas Wackerle

BSc Arch

Michael Wüllenweber




Corinne Huber - Office MGR

Dipl. Business Administration

Margit Feurer - Asst. Office MGR

Dipl. Designer


We are always looking for talented and hard-working individuals to join our team!
If you think that you have a captivating background, can think out of the box and want to grow with us, we look forwards to hearing from you. Basic knowledge of the Swiss and European planning process as well as advanced German and English language skills are prerequisites.

Please send your application with a cover letter, your CV, and your portfolio either digitally or by post with the subject “career” to


We are looking for an intern to work on competitions and other challenging projects starting from March 2022. The minimum duration of the internship is six months and can be extended for another six months by mutual agreement. You have a high design standard, are highly motivated and are interested in working in a dynamic interdisciplinary architectural office. A good handling of ArchiCad and common graphic softwares, adeptness in model making, as well as good English and German language skills are prerequisites. Experience in 3D rendering is advantageous.

Please send your application with a cover letter, your CV, and your portfolio either digitally or by post with the subject “internship” to

– Whilst all submissions are appreciated, only those candidates selected for an interview will be contacted.
– Portfolios submitted by post will not be returned. They can be collected within a period of two months.
– For all digital applications, please keep attachments under 8MB.


Collaborators 2003-2023:

Carlos Cordero Aguaded, Sarah Asseel, Christian Bandi, Albert Beele, Isabelle Bentz, Karlis Berzins, Charilaos Biskos, Marija Blagojevic, Mark Bol, Michael Bühler, Turi Colque, Claudia Brunier-Ernst, Ricardo Cabrera-Nyst Garrido, Christian Calle Figueroa, Sasha Cisar, Annabel Cremer, Nick Däschler, Ziyue Ding, Raphael Disler, Maget El Sadek, Marcel Erismann, Elisa Forster, Michele Fumagalli, Daniel Angulo Garcia, Tota Goya, Yann Gramegna, Seung-Jin Ham, Dirk Hamdorf, Nils Havelka, Florian Heeb, Joy Hungerbühler, Ryoko Ikeda, Milena Isler, Marco Jacomella, Sophie Judson, Ewa Kaszuba, Katharina Keckeis, Thomas Kägi, Damjan Kokalevski, Lucas Krupp, Daniela Laesser, Bavo Lauwers, Fabian Liszt, Radu-Remus Macovei, Shehrazade Mahassini, Eike Delia Martens,Khalil Mdimagh, Max Michels, Viktória Molnár, Francis Moss, Naohiko Murata, Wataru Nagatomo, Karl Johan Nyqvist, Daniel Ostrowski, Anna Page, Deborah Park, Noelle Paulson, Theodore Perdios, Jonathan Perret, Stelios Psaltis, Ludovic Regnault, Yves Reinacher, Esther Reinhardt, Beatrice Roth, Yo Shimura, Axel Schmidt, Rafael Schmidt, Roland Schreiber, Florian Schrott, Frank Schwenk, Cindy Schwenke, Lukas Schwitter, Dagnija Smilga, Izumi Soeda, Lena Stäheli-Shinohara, Alisa Stepanova,Tanja Sussmann, Ryuhei Suzuki, Martin Tann, Mike Taylor, Dai Tomioka, Stefan Vetsch, Alain Vorlet, Simon Kramer Vrscaj, Pascal Waldburger, Shi-Yuan Wang, Thorben Westerhuys, Andy Westner, Michael Wüllenweber, Akihiro Yamamoto, Changho Yeo, Guillaume Yersin, Hyuck-Jin Yoon, Zane Zeivate, Yiran Zhang.



Nominated - "Mobility Hub Zug Nord" in the Public & Landscape Architecture category.

> Mobility Hub Zug Nord


Winner - "OKU - A layering of Spaces" in the Innovative Architecture – Corporate category.

> Office Renovation, Zug

Dezeen Award

Longlisted - "OKU - A layering of Spaces" in the Small Workspace Interior category.

> Office Renovation, Zug


For the project “tech Cluster Zug, Switzerland” in the category of urban planning facilities.

> Tech Cluster Zug

iF Communication Design Award

For the project “MobiGlobe 3” in the category Corporate Architecture - Communication Media in Architecture and Public Spaces.

> MobiGlobe 3

Red Dot Communication Design Award – Grand Prix

For the project “MobiGlobe 3” in the category Interface Design.

> MobiGlobe 3

iF Communication Design Award – Gold

For the project “Universum der Ozeane” in the category online / offline application.

> ZDF – Ocean Worlds

Red Dot Communication Design Award – Gold

For the project “Universum der Ozeane” in the category online / offline application.

> ZDF – Ocean Worlds

Design Preis Deutschland

The application "Universum der Ozeane" is nominated for the Design Preis Deutschland.

> ZDF – Ocean Worlds

International Serious Play – Bronze

For the project “Universum der Ozeane”.

> ZDF – Ocean Worlds


Special Award “New Generation” at the Contractworld Awards 2008 for the project ANAN in Wolfsburg.

> AnAn

Event Design Awards – Silver

For the project Mobiglobe 2006 together with Ralph Appelbaum Ass., New York, and Henn Architekten, Munich in the category “Permanent Installation”.

> MobiGlobe 1




Herrliberg-Feldmeilen station, 2020 –
Current state: framework plan

Haus Myrte, Wädenswil, 2022 –
Current phase: tender

House Renovation, Geneva, 2021 –
Current phase: ongoing

Airport Engadin, St. Moritz, 2020 –
Current phase: construction project

Cooperative Housing, Wetzikon, 2020 –
Current phase: tender, 2020 –
Current phase: Project phases design to operation

ZHA, Boulevard, Hönggerberg Campus, 2020 –
Current state: ongoing (with Studio Vulkan)

Wilhelmsburg Rowing Club, 2020 –
Current phase: execution planning

Primary School Christoph Merian, Basel, 2019 –
Current phase: construction project

Station Square and Roof, Herisau 2015 –
Current phase: tender

MEWA-Areal, Wädenswil, 2018 –
Transformation Project from the former industrial estate to the mixed-use development with housing
Current phase: framework plan

Viererfeld, Bern, 2018 –
Current phase: on hold

Urban Design

Bahnhof Romanshorn, 2022 –
Current state: study (with Sudio Vulkan)

Kaserne Aarau, 2022 –
Current state: urban framework

Areale Wittenbach, 2022 –
Current state: urban design commission

Stiftungsareal Neumünster, 2022 –
Current state: study

Kieler Schloss, 2022 –
Current state: Public think tank on usage and architecture

Campus Heidelberg, 2021 –
Current state: Masterplan process, in-depth studies

Otterbach Süd, 2020 –
Current state: urban framework plan

Innovation Park Bergedorf, 2020 –
Current state: urban framework

Station Area Dietikon, 2019 –
Current state: urban framework plan

Campus Bochum, 2018 –
Current state: project support

Metalli, Zug, 2017 –
Current state: project support

Bahnstadt Nürtingen, 2017 –
Current state: project support

Areal Neugasse Zürich, 2016 –
Current state: completion of master plan, public consultation

Elbinselquartier Wilhelmsburg, Hamburg, 2015 –
Current state: project support

Tech Cluster Zug, 2015 –
Current state: transformation plan

Station Herisau, 2013 –
Current state: areal development

KNZ Wil West, Thurgau / St. Gallen, 2011 –
Current state: project support

Urban System Research

Metaverse, 2022 –
Current state: ongoing

Entwicklungskonzept Würzenbach, 2022 –
Current state: ongoing

ESP Hochdorf, 2021 –
Current state: spatial-urban as well as use- and circular-based development concept

Deep Urbanism, 2021 –
Current state: ongoing

cividi gmbh – civic data intelligence, 2019 –
Digital tools for the analogue city
Current state: ongoing


Zürich office

Flüelastrasse 10, 8048 Zürich, Switzerland (Google Maps)
T. +41 43 243 6313F. +41 43 243 6315


CAREER: (Please refer to our OFFICE > CAREER section for further information)

Kyoto office

Jimukinoueda bldg. 603, 21 Sakaicho, Gojo-Takakurakado, Shimogyoku, Kyoto 600-8191, Japan
T. +81 75 744 1503