Manuela Kellenberger

Studio & Feel-Good Manager
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Ralph Kellenberger

creative director | partner | eidg. dipl.innenarchitekt | eidg. dipl. schreiner | VSI.ASAI.
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Every designer has their own set of tools. Mine is rooted in a deep understanding of material, structure, and the people we design for. As a trained cabinetmaker, I firmly believe that only what is built on solid knowledge and craftsmanship will endure – in form, function, and feeling.

COCC. and coherent AG embodies this philosophy. COCC. stands for Circle of Competence Club – a commitment to honest collaboration, mutual trust, and genuine appreciation, all within a holistic design process. The word “coherent” reflects our core ambition: to create meaningful continuity – from clear analysis and material expression to spatial experiences that truly resonate.

At our studio in St. Gallen, we design interiors and products that are honest, precise, and reduced to what really matters. Our work is functional, timeless, and always tailored to the unique character of our clients. I believe that good design is born in dialogue – and having the privilege to direct that dialogue is what inspires me every single day.

My upbringing shaped me early on: the son of a Croatian mother and an Appenzell father, I grew up learning to bridge perspectives and embrace diversity. At the age of six, I was already helping in my grandfather’s workshop – working raw materials by hand left a lasting impression. This hands-on heritage is the foundation of my design mindset today.

My passion lies in shaping projects that are consistent, carefully considered, and truly coherent – from the initial spark to the final detail. I strive for design that touches people, tells stories, and endures over time. Because I believe that the real power of design lies in depth, care, and conviction.

Pia Muhmenthaler

Project Management / Project Management Senior
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„Architektur sollte immer Ausdruck ihrer Zeit und Umwelt sein, jedoch nach Zeitlosigkeit streben.

Schon während meiner Ausbildung als Hochbauzeichnerin hab ich versucht immer das Ganze zu sehen, nicht nur einzelnen Elementen Aufmerksamkeit zu schenken sondern alles rundherum zu berücksichtigen, um einen wohlfühlenden spannenden Raum zu erschaffen.

Um eine ins ich stimmige Atmosphäre zu kreieren benötigt es viel Empathie, Geduld, Gespür, Liebe, Hingabe und Mut, damit etwas Zeitloses entstehen kann.

Schau aus dem Fenster, alle Formen, Farben, Strukturen und Oberflächen finden sich in der Natur. Die Kunst ist das wesentliche auszusuchen und im richtigen Kontext zu vereinen.

Ich bin nach meiner Lehre dem Bau immer treu geblieben, sei es als Entwurfsarchitektin, Projektleiterin, Bauführerin und schlussendlich in der Erwachsenenbildung rund um den Bau. Es fasziniert mich wie neues erschaffen wird und altes zeitgemäss verändert wird ohne seinen Scharm und Charakter zu verlieren.

Meine Inspirationen für neue Ideen finde ich in der Natur wo ich mein Gleichgewicht finde und Energie tanken kann, beim Sport wo Körper, Geist und Seele in vollständiger Koordination wirken und in Begegnungen und Gesprächen mit Menschen die ich kenne oder mir fremd sind.

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Mauro Salerno

Project Management/ eidg. dipl.innenarchitekt
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My professional goal is to become an architect which will meet the needs of today’s society, environment and economy. Architecture should hold the ideals – the aesthetic values, the moral values – of the place in which the structure is being built and contribute to the daily life of the people surrounding it.

The architect must cover not only the practical needs of the people, but must create meaningful places. Knowledge, memory, perception and interpretation can be significant design-defining instruments. I believe that architects who are responsible for building, in any environment, should take this into consideration. They should preserve the memory of what is important for the people there. This is the starting point that offers a place to pick up and translate into the modern day.

In my studies of architecture, I have gained many experiences with this in mind; I hope to deepen my acquired knowledge from this exciting period, now at my internship at COCC.

Manuel Sturzenegger

dipl. Innenarchitekt / Projekt Management Senior
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