Daniel Kogge was born in Berlin. After his training in England, he gained experience in important workshops in Switzerland, France and Germany. After his Meisterprüfung in violin making, he founded the “Atelier für Geigenbau und Restaurierung” with Yves in 1997.
Daniel’s work focuses on the restoration and sound adjustment of old and high-quality instruments. Daniel is a member of both the Association of German Violinmakers (VDG) and the Entente Internationale des Luthiers et Archetiers d’Art, of which he was president between 2019 - 2023.

Yves Gateau grew up in Albertville (France). After his training in Great Britain and years in various workshops in Germany, he founded the “Atelier für Geigenbau und Restaurierung” in Berlin with Daniel in 1997. Always alert to new restoration techniques, Yves is internationally networked with violin making colleagues.
He regularly attends trade fairs and auctions. Yves has been a member of the Entente Internationale des Luthiers et Archetiers d’Art since 2007.

Barbara Gateau comes from Gelsenkirchen in Germany. She studied violin making at the “Welsh School of Musical Instrument Making” in Wales (GB).
She passed her Meisterprüfung in Hamburg in the summer of 1997. Barbara’s work has focused on bow repairs and rehairing for over 25 years. She is a member of both the Association of German Violinmakers and the Entente Internationale des Luthiers et Archetiers d’Art.

Almuth McWilliams learned violin making in Mittenwald and Berlin and has been on the team as a dedicated restorer for 20 years. She shares her skills and expertise as a tutor at West Dean College (GB) and in Villefavard (F) for Aladfi.

Ryuji Yagami joined us in summer 2022 after his training in the workshop of Andreas Kägi in Berlin and after passing the Gesellenprüfung at the Violin Making School in Mittenwald.

Lucile Marpeau learned at the violin making school in Mirecourt where she obtained her diploma. She enriches our team since March 2023.

Adrian Pfeiffer completed his training at the Swiss violin making school in Brienz with distinction in the summer of 2023 and has been part of our workshop ever since.