

Munich-based Stefan Diez was born to a family of fourth-generation carpenters and trained as a cabinetmaker before studying industrial design at the State Academy of Fine Arts in Stuttgart. After working for the renowned designer Konstantin Grcic, in 2003 Diez founded his eponymous studio, employing a team of local craftsman and technical specialists. Known for using simple materials to create his award-wining furniture, tableware, and lighting, Diez designed the Guise collection for Vibia, a recipient of the 2018 German Design Award.
""Products of the new era must inspire delight and create a meaningful relationship with users – products that are loved and maintained, rather than drastically simplified.""
2024: Compasso d’Oro for the modular sofa Costume for Magis.
2022: AW Designer of the Year – awarded by the German magazine AW Architektur & Wohnen.
2020:
German Design Award – Gold for the porcelain collection Shiro for Schönwald.
German Design Award for the modular sofa Costume for Magis.
Archiproducts Design Award with special recognition for sustainability for Costume.
German Sustainability Award for the lamp AYNO from Midgard.
2019:
Wallpaper Design Award* for the pendant lamp Guise.
The Cleverest Awards 2019 by Architectural Digest for the bathroom collection RGB for Burgbad.
2018:
German Design Award for the lighting Guise for Vibia.
Red Dot Best of the Best Award for the lighting Guise for Vibia.
Interior Innovation Award – Best of the Best for the chair D1 for Wagner.
2016: German Design Award for the fireplace Logastyle Lucrum for Buderus.
2015:
Red Dot Award for the lounge chair Yard for Emu.
Wallpaper Design Award* for the armchair Yard for Emu.
2007: Materialica Design & Technology Award.
2006: Designpreis der Bundesrepublik Deutschland – Silver for the oven-to-table program for Thomas.
2004:
Interior Innovation Award at IMM Cologne.
International Design Award Baden-Württemberg for products Genio and Tema.
iF Design Award for products Genio and Tema.