Working with us

To work with :ratio means to interact with a team of passionate specialists; an experienced and reliable team at your service. We speak French, English, Italian and German.

Yann Ringgenberg

Yann

Founder

at :ratio since 2009

Xavier Alexandre

Xavier

UX architect

at :ratio since 2012

Gilles Demarty

Gilles

UX architect

at :ratio since 2013

Chiara Valerio

Chiara

UX Designer & User researcher

at :ratio since 2016

Renato Zülli

Renato

UI & Visual designer

at :ratio since 2018

Marta Angelillis

Marta

Service designer & Content strategist

at :ratio since 2020

Nicolas Lanthemann

Nicolas

UI & Visual designer

at :ratio since 2021

Aurélien Pellegrini

Aurélien

UI & Visual designer

at :ratio since 2022

Hadil Kanaa

Hadil

UX designer

at :ratio since 2023

Simon Farine

Simon

Board member

at :ratio since 2009

They worked with us

David Cardoso

UX designer intern

2023

Matthieu Minguet

UI & Visual designer

2015 to 2022

Clara Evans

User Researcher intern

2022

Émilie Imhof

Bachelor Thesis - 3 months

2021

Caroline Altevogt

Event manager

2015 to 2021

Jean Raymond

Practical training - 6 months

2019

Tiphaine Rosier

Practical training - 6 months

2019

Mélina Fourtune

Practical training - 6 months

2018 to 2019

Nhung Tang

UX & Visual Designer

2011 to 2018

Loris Grillet

UX & Visual Designer

2013 to 2017

Ariane Faraldi

Practical training - 5 months

2016

Céline Racine

Practical training - 2 months

2015

Lina Berzhaner

Practical training - 6 weeks

2015

Lauria Sager

Event Coordinator

2014

Louiselle Morand Salvo

UX Architect

2013

Some recent projects

Optimizing a purchasing process

Visualizing voices

A revolution in air quality measurements

Discover our projects

Get in touch

Do you wish to create or enhance a website, an interface, an application, a service? We are always eager for new projects. Come meet us and together we will evaluate if we are the right partner for your project.

+41 21 544 54 54
info@8ratio.ch