Established in Paris in 2022, Siegenthaler proposes a versatile vision of unisex ready-to-wear, blending sophistication with sustainability. Our signature is modularity—clothing that adapts, converses, and transforms with the wearer’s personal journey.
© Raphael DelormeSwiss founder Duc Siegenthaler debuts with "Lore Genesis", Siegenthaler's premiere collection presented in Paris in September 2023, drawing inspiration from the intricate Character Designs of Heroic Fantasy games. This influence is interwoven into each piece, inviting wearers into a narrative where adaptability and elegance empower personal transformation.
Duc refined his craft at HEAD - Genève before contributing his vision to the cutting-edge environment of Y/Project, gaining invaluable industry insight. These experiences laid the groundwork for launching his namesake brand, Siegenthaler. Duc’s passion for craftsmanship and his innovative spirit are evident not only in his collections but also in his role as an educator at Atelier Chardon Savard in Paris. He is dedicated to guiding the next wave of designers towards a thoughtful fusion of style, creativity, and sustainable design that Siegenthaler proudly embodies.