The Catalyst

Three people in casual attire performing an expressive, theatrical pose with raised arms in an improvisation show in Lausanne.

A Science Entertainment Collective

Established in 2012 in Lausanne, Switzerland, The Catalyst is a group of scientific researchers and professionals who came together to have fun and use improvisation theater as a means of engagement with the public. The Catalyst is a non-profit association.

The Catalyst is open to anyone - scientists and non-scientists alike. The skills of improv theatre are useful for:

  • Public speaking and presentations

  • Fosters creativity

  • Fun and a great way to engage with a diverse group of passionate people

Group of people engaged in an interactive activity indoors, appearing expressive and animated.

Drop-in sessions

3,2,1…Improv!

Join our weekly English improvisation sessions.

All experience levels welcome: just bring your enthusiasm.

Every Wednesday 18:30-20:00 @ImpactHub, Lausanne

Learn more
Catcave9 poster for Lausanne improv. Catcave9 is the performing troupe of the Lausanne improvisation association the Catalyst.

CatCave9 Improv Shows

Come and enjoy a beautiful night of improvisation theatre in the center of Lausanne with the CataCave9 improv troupe.

Monthly theatre improvisation in Lausanne at cinema Oblo.

CatCave9 Improv shows