The people who work here shape out studio. Each of us has their professional and technical expertise and strengths. This is how projects, with all of their challenges, are handled competently. Lively interest in others’ areas of expertise, pleasure in working together and mutual helpfulness define our daily work. This quality is reflected in our projects. We work on projects precisely, with an exchange of know-how, expertly and meticulously.

Working Persons

Daniel Ganz

Landscape Architect HTL/BSLA, Founding Director

1961* in Zurich
Apprenticeship as a gardener
Studied landscape architecture at Interkantonales Technikum Rapperswil, Switzerland
Since 1995 owner of Ganz Landscape Architects
2008-2012 Lecturer at HSR Hochschule für Technik Rapperswil on use of plant materials
2011-2012 Guest Professor at the Department for Architektur at EPFL
Since 2015 Lecturer at Studio Tom Emerson at ETH in Zurich
2022 Guestlecturer at the chair of Prof. Christian Inderbitzin at KIT (Karlsruhe Institute of Technology)

T +41 44 380 62 72
ganz@ganz-la.ch
«The forest became my studio» – Jean Jacques Rousseau (1712-1778)

Laura Schwerzmann

Landscape Architect FH, Managing Director & Member of Office Management

1986* in Winterthur
Apprenticeship as a structural draughtsman
Studied landscape architecture at Hochschule für Technik Rapperswil, Switzerland
2011 Internship at Ganz Landscape Architects
Since 2013 professional experience as a landscape architect
Employed by Ganz Landscape Architects since 2013

T +41 44 380 62 73
schwerzmann@ganz-la.ch
«Narren hasten, Kluge warten, Weise gehen in den Garten» - Rabindranath Tagore (1861-1941)

Paul Junker

Landscape Architect FH, Managing Director & Member of Office Management

1983* in Dortmund, Germany
Studied landscape architecture at Fachhochschule Erfurt, Germany
Since 2009 professional experience as a landscape architect
Employed by Ganz Landscape Architects since 2016

T +41 44 380 62 78
junker@ganz-la.ch
«Am Anfang war der Garten ein Traum» - Karl Foerster (1874-1970)

Lena-Mailin Skibowski

B. Sc. Landscape architect, Project team

1996* in Uelzen, Germany
Studies landscape architecture at Leibniz University Hannover, Germany
Since 2020 professional experience as a landscape architect
Freelancing as a writer at Hochparterre since 2021
Employed by Ganz Landscape Architects since 2022

T +41 44 380 62 71
skibowski@ganz-la.ch

Martin Aeschbacher

Landscape architect FH, Project Manager

1990* in Bern
Apprenticeship as a gardener
Studied landscape architecture at Hochschule für Technik Rapperswil
Since 2019 professional experience as a landscape architect
Employed by Ganz Landscape Architects since 2019

T +41 44 380 62 70
aeschbacher@ganz-la.ch
«Überall geht ein frühes Ahnen dem späteren Wissen voraus» [Later knowledge is always preceded by an early instinctive idea] – Alexander von Humboldt (1769-1859)

Pascale Wappel

Administration and Finance, Member of Board

1962*
Employed by Ganz Landscape Architects since 2022

T +41 44 380 62 78
wappel@ganz-la.ch

Sophie von Schwerin

Dr. Ing. Landscape architect, Project Manager for Garden Heritage Conservation

*1978 in Marburg, Germany
Training as a perennial plant gardener at the Botanical Garden in Hamburg
Undergraduate studies in landscape design, TU Berlin
Doctorate, Leibniz Universität Hannover
Since 2012 Research associate at University of Applied Sciences Rapperswil
Since 2014 Curator at Archiv für Schweizer Landschaftsarchitektur
Since 2019 Project team member at Ganz Landscape Architects

T +41 44 380 62 70
vonschwerin@ganz-la.ch

Roger Lehmann

Landscape architect BSc FHO BSLA, Project Manager

1984* in Männedorf/ZH
Apprenticeship as a structural draughtsman
Studied landscape architecture at Hochschule für Technik Rapperswil
Since 2013 professional experience as a landscape architect
Since 2023 Lecturer in the BSc Landscape Architecture program at the University of Applied Sciences OST Rapperswil for visual communication
Employed by Ganz Landscape Architects since 2024

+41 44 380 62 70
lehmann@ganz-la.ch

Helin Can

B.Sc. architect, cand. M.Sc. landscape architect, Trainee

*1999 in Bodrum, Turkey
Music education piano and music theory, distance learning London College of Music
2018 - 2023 Studied architecture in Istanbul Technical University and Bauhaus University Weimar/ D
Since 2023 Studied landscape architecture at ETH Zurich
Since 2024 Intern at Ganz Landscape Architects

T +41 44 380 62 66
can@ganz-la.ch
«You will find me if you want me in the garden unless it’s pouring down with rain» — Einstürzende Neubauten (Album „Ende Neu“, 1996)

Balthasar Dahler

Landscape architect FH, Project team

1997* in Basel
Apprenticeship as a gardener
Studied landscape architecture at Hochschule für Technik Rapperswil
Since 2025 professional experience as a landscape architect
Employed by Ganz Landscape Architects since 2025

T +41 44 380 62 74
dahler@ganz-la.ch