MenU

Team

OUR
FIDUCIARY
ExperTS

Qualified employees are our most important asset. Our well coordinated team
is committed to you with a great deal of expertise and a high level of
engagement.

Martin Trampus Portrait

Martin Trampus GIF

Martin Trampus

managing partner

BSc in economics HSLU

certified public accountant

D +41 41 340 83 15

M martin.trampus@optexag.ch

Daniela Stutz Portrait

Daniela Stutz GIF

Daniela Stutz

partner

certified fiduciary expert

VAT-Expert NDK

D +41 41 340 83 12

M daniela.stutz@optexag.ch

Thomas Herzog Portrait

Thomas Herzog GIF

Thomas Herzog

partner

certified fiduciary expert

financial planner, federal diploma of higher education

D +41 41 340 83 06

M thomas.herzog@optexag.ch

Ivo Zemp Portrait

Ivo Zemp

partner

certified fiduciary expert

licensed audit expert

D +41 41 340 83 07

M ivo.zemp@optexag.ch

Arno Schürmann Portrait

Arno Schürmann GIF

Arno Schürmann

partner

certified fiduciary expert

licensed audit expert

D +41 41 340 83 89

M arno.schuermann@optexag.ch

Thomas Bühlmann Portrait

Thomas Bühlmann GIF

Thomas Bühlmann

mandate manager

certified fiduciary

AbaWeb support

D +41 41 340 83 16

M thomas.buehlmann@optexag.ch

Susanne Arnold Portrait

Susanne Arnold GIF

Susanne Arnold

internal accounting

D +41 41 340 83 86

M susanne.arnold@optexag.ch

Rabia Cakmak Portrait

Rabia Cakmak

D +41 41 340 83 83

M rabia.cakmak@optexag.ch

Céline Doswald

Sachbearbeiterin Treuhand

D +41 41 340 83 83

M celine.doswald@optexag.ch

Ursula Fluri Portrait

Ursula Fluri GIF

Ursula Fluri

specialist in social insurance

with federal certificate

office manager

D +41 41 340 83 83

M ursula.fluri@optexag.ch

Tobias Haefeli Portrait

Tobias Haefeli

BA in Betriebsökonomie UZH

D +41 41 340 83 03

M tobias.haefeli@optexag.ch

Ronja Klöckner Portrait

Ronja Klöckner GIF

Ronja Klöckner

chartered specialist in accounting and financial management

federal diploma of higher education

D +41 41 340 83 81

M ronja.kloeckner@optexag.ch

Sandra Leisibach Portrait

Sandra Leisibach GIF

Sandra Leisibach

fiduciary clerk

D +41 41 340 83 86

M sandra.leisibach@optexag.ch

Fabio Schürch Portrait

Fabio Schürch GIF

Fabio Schürch

certified fiduciary

D +41 41 340 83 84

M fabio.schuerch@optexag.ch

Jérôme Wyrsch Portrait

Jérôme Wyrsch

In Ausbildung zum Kaufmann EFZ

D +41 41 340 83 83

M jerome.wyrsch@optexag.ch

KONSULENTEN

Hugo Herzog

Gründer

Konsulent

D +41 41 340 83 03

M hugo.herzog@optexag.ch

Martin Keller Portrait

Martin Keller GIF

Martin Keller

Konsulent

D +41 41 340 83 05

M martin.keller@optexag.ch