Coffee Collective run by Students in Zurich
What we do
We make tasty coffee
Irrational Coffee is an AMIV commission dedicated to spreading alternative coffee culture. If you are interested in learning more about different coffee beans, processing techniques, brewing methods, or anything coffee-related, then this is the place for you!
See what we are getting up to on instragram irrational.coffee and stay up to date with our Telegram channel.
Coffee stand times for Fall Semester 2024:
Tuesday 12:00 - 14:00 (Until end of semester)
Filter, Siphon coffee, maybe weekly specials
Filter Coffee
(V60)
Weird, clear and fruity coffee juice.
Espresso
(Cappuchino, Espresso Tonic)
High Pressure, High Flavour.
Matcha
(Matcha, Latte, Iced)
Cultured powdered Japanese green tea
Siphon Coffee
Scientific looking filter coffee.
Upcoming Events (HS25)
Stay up to date with our Telegram channel.
Irrational Coffee x Cyberfy @ VISCON
11 October, 2025
Where: Cyberfy Stand, HG
Serving Coffee for Cyberfy @ VISCON, with equipment sponsored by Cyberfy and provided by CoffeeCoachingClub
Catering @ Coding Weekend
31 October ~ 2 November 2025
Where: TBA
serve coffee to 40+ coders for 3 days
Coffee Crawl HS25
8.November 2025
Where: At the Polybahn entrance near Polyterasse
If you know coffee and pub crawl, you can imagine what this is.
Coffee Cupping HS25
TBA
Where: TBA
cupping, degustation, whatever you wanna call it. The best opportunity to taste a variety of coffee notes and flavors!
Irrational goes Swiss Coffee Festival
24.November 2025
Where: StageOne Zurich
Come along and visit the Swiss Festival hosting a bunch of companies displaying their excellence at coffee brewing!
Some Previous Events
How to Latte Art
14.05.2025
Where: CAB H53
Event where you can learn how to steam milk with either a traditional steam wand or alternativly, a nanofoamer (milk whirling wand)
Catering at ETH Mobility Day
10.04.2025 9:00 - 16:00
Where: ETH Polyterasse
Provided catering Service for ETH Mobility Day for 400+ people. Sponsored by CoffeeCoachingClub with Ascaso Baby T Plus and Ceado e37z.
Catering at Coding Weekend
15/11/24 - 17/11/24
Where: Flumserberg
serve coffee to 40+ coders for 3 days
Coffee Crawl
24th of October
Where: MAME, Miro, Collective Bakery, Coffee, BeanBank
With 14 participants.
Coffee Cupping 2021
3rd of March
Where: Virtual
The coffee tasting took place on Zoom, where 40 participants got the chance to test 8 different coffees and discover the flavours each of them had to offer.
Team
We are coffee enthusiasts.
Oscar von Löhneysen
President
Chang Jin Lee
Questor/Website Manager
Edward He
Barista (Filter)
Alexander Mandt
Barista (Filter & Espresso)
Jannis Piekarek
Barista (Espresso)
Simon
Barista (Espresso)
Laura Hetz
Barista (Filter)
Supported by
Our club is made possible through the generous support of many student organisations within the ETH.
