ABOUT
Atelier Prati Zwartbol (APZ) is a Zurich/Geneva based architecture practice founded and operated by Lea Prati and Tieme Zwartbol.
APZ works in the fields of architecture, research, education, urbanism and landscape.
APZ conceptualises, directs and executes projects ranging from urban planning to buildings, refurbishments and furniture; from idea to creation.
APZ works on commissioned and solicited projects for private and public clients.
APZ combines craftsmanship with conceptual and ecological approach.
APZ pays a lot of attention to details in their designs.
APZ would like the resulting work to be simple, joyful and optimistic.
APZ’s work is often accessible, charming and, above all, useful.
TEAM
Lea Prati
Studied architecture at the ETH Zurich and TU Delft, after graduation she was honored with the Ernst Schindler Foundation research grant. She regularly participates in both competition juries and expert audience at several educational institutions. In 2022 she co-founded the multidisciplinary research-collective Indiana. Furthermore she’s in the BGA SIA council and active member of the Netzwerk Frau und SIA.
Tieme Zwartbol
Based in Zurich, he studied engineering in Rotterdam and architecture at TU Delft and ETH Zurich. He founded the APZ office in 2016 and has worked with leading international architecture firms in Switzerland and the Netherlands. Since 2025, he has been a lecturer at the Zurich University of Applied Sciences (ZHAW), teaching in the Department of Architecture, Design, and Civil Engineering.
Nils Tamm
After starting with a Bachelor's degree at HEIA Fribourg, Nils moved to Zurich to continue his studies at ETH. He has been part of the APZ team since June 2024.
Tristan Choulat
After earning his bachelor’s degree in architecture from EPF Lausanne and enriching his studies with an exchange semester in Barcelona, Tristan embraced his next challenge in the summer of 2025, joining APZ to contribute his skills and perspective.
Edona Sait
Edona earned her Bachelor's degree from the EPFL and gained valuable experience working at leading architecture firms in Geneva. In 2026, she swapped one lakeside city for another and strengthened the APZ Zurich team, where she continues to contribute her expertise and passion for architecture as well as for good food.
Emmanuelle Ebuenga
French-born Emmanuelle started her collaboration with APZ in 2026 as part of her studies at the EPFL. Her sensitive and thoughtful approach reveals new perspectives in every project.
PREVIOUS COLLABORATORS
Predrag Bekcic, Estelle Bertholet, Gregory Bon, Clara Jacazio, Martin Lepoutre, Pierre Marmy, Nadia Martin, Oana Popescu, Mirko Solinas
CONTACT
Atelier Prati Zwartbol
Dienerstrasse 21
CH-8004 Zürich