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Frequently Asked Questions
Yes! Check out complexity events happening today here. These are in-person gatherings where you can meet fellow enthusiasts and participate in activities right now.
Discover all the complexity events taking place this week here. Plan ahead and join exciting meetups throughout the week.
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Complexity Events Today
Join in-person Complexity events happening right now
IBM x KI Park - The Intelligent Enterprise Stack | AI. Automation. Resilience.
**PLEASE REGISTER YOUR ATTENDANCE ON [LUMA](https://luma.com/72kv5zxm)**
Join IBM x KI Park for an afternoon exploring **how AI-driven automation enables scalable, resilient enterprise operations across the stack.**
Hear real use cases from leading organisations, exchange peer insights and connect with practitioners and solution builders.
**Why join:**
* Gain a better understanding of how AI-driven automation is reshaping business operations, security and enterprise resilience
* See how leading organizations move from AI adoption toward autonomous workflows across the enterprise stack
* Learn how to scale intelligent automation in complex, growing tech ecosystems
* Discuss how operating models and collaboration evolve around automation
* Share challenges, compare approaches and gain practical lessons from peers
**Agenda**
* 14:00 – 15:00 **Registration & Coffee**
* 15:00 – 15:45 **Opening keynotes**
* Dr. Florian Schutz, Managing Director, KI Park
* **The Enterprise Complexity Ceiling: Why the Tech Stack Isn’t Getting Smaller, A discussion of AI-infused Automation to the architecture of organizations** by Sebastian Grodzietzki, Principal DACH Automation Developer Ecosystems Leader & DACH Quantum Ambassador Leader, IBM
* 15:45 – 17:30 **Case perspectives & peer insights**
* "**Building Autonomous Networks: From AI Potential to Value**" by [Karim Kotobi,](https://www.linkedin.com/in/karimkotobi/) Vodafone, Global Digital Product and Transformation Leader
* "**Why MCP is Only the Plumbing: Building the Contextual Foundation for AI Agents**" by [Bastian Maiworm](https://www.linkedin.com/in/bastianmaiworm/?locale=de), Amber Tech, Co-founder
* "**Rethinking SaaS Engineering: How Small Teams Run and Evolve Enterprise-scale Systems in the AI era**" [Matthias Heicke](https://www.linkedin.com/in/matthiasheicke/), CTO / Co-Founder, Sweap.io
* 17:30 – 18:10 Fishbowl Discussion – Audience participation/Interactive
* 18:10 – 19:30 Networking & Drinks
**Who should attend**
* Tech decision-makers across the enterprise stack
* Platform, product and engineering leaders
Limited seats. Free event · An RSVP on Meetup does not guarantee participation. To attend, registratation via [LUMA](https://luma.com/72kv5zxm) is required. Only confirmed participants will be admitted and will receive a confirmation email.
We look forward to welcoming you to the event!
\*\*\*\*\*
*By registering for this event, you agree that your registration data will be shared with KI Park and IBM for the purpose of event organisation, communication related to the event and relevant follow-up. Each organisation will process your data in accordance with their respective privacy policies. KI Park ([https://kipark.de/datenschutzhinweise/](https://kipark.de/datenschutzhinweise/?utm_source=luma)), IBM ([https://www.ibm.com/de-de/privacy](https://www.ibm.com/de-de/privacy?utm_source=luma)).*
Comedy Comfort | English Stand Up Comedy (Berlin)
Tickets start at 12€: [https://fienta.com/comedy-comfort-berlin-182152](https://fienta.com/comedy-comfort-berlin-182152)
A night of real laughs, good energy, and the kind of comedy that feels right. Comedy Comfort is a warm, laid-back English comedy show in the heart of Friedrichshain. Featuring some of Berlin's best comedians and ones to watch.
Whether you're a comedy regular or haven't been out in a while, this is the easiest yes of your week.
Come out, grab a drink, and settle in for a night that's exactly what it sounds like. Comfortable, funny, and very Berlin.
Perfect for a night out with friends, a low-key date, or a good excuse to leave the house.
📅 Date & Time:
28.May.2026
Seating Starts: 7:30pm
Show Starts: 8:00pm
🏢 Venue:
The Wall Comedy Club
Grünberger Straße 84, 10245 Berlin
Hosted by: Nya Yeanafehn
Nya Yeanafehn is a stand-up comedian, host, and podcaster who began his comedy career in New York City. He is now based in Berlin. He's known for sharing stories about his experiences in Europe and his unique view of life. Nya is also the producer and host of the "Third Culture Talk Podcast,". Where he talks with people who grew up in cultures different from their current one. Including people from all kinds of backgrounds, sharing their unique stories. The podcast was recently featured in Stern, a popular newspaper in Germany.
Episode 2 of the 2026 Edition - The days after KotlinConf
While we are approaching the middle of the year and KotlinConf is just over - we are thrilled that Trade Republic hosts us again! So mark the date!
**Line-Up:**
👉 **Lists, Sequences, and Flows: Scaling Data Processing in Kotlin without Melting Your Memory.**
*by Daniela Valero*
In this talk, Daniela shares her journey of meeting a major backend deadline while managing a data pipeline's memory footprint. You’ll learn how to transition from eager List operations to lazy Kotlin Sequences and jOOQ Streams (using database fetchSize chunking) to keep memory usage flat. Finally, we’ll explore using Kotlin Coroutines and Flow to introduce safe concurrency so your data processes quickly without straining your database.
👉 **The show must go on**
Kotlin-based Kafka dead-lettering solution without external (system) dependencies
*by Blagoja "Baki" Stamatovski*
**👉 Job Market Insights from a Kotlin developer**
*by* Ivan Gafurov
**Speaker Bios:**
🗣 **TDB**
In Bad Company - Crowd-work show
In Bad Company is a one-hour stand-up show hosted by Sepideh Kaav, featuring 2–3 of Berlin’s best comedians at one of Mitte’s coolest bars, HIER WO DU STRAHLST. Expect a night of great comedy, terrible decisions, and the kind of socializing where by the end of the night we all somehow know each other a little too well.
No topic is off limits. No one is fully safe. Come with friends, come with a date, come alone, honestly, especially come alone, maybe you meet your future best friend or soulmate here.
🍸 HIER WO DU STRAHLST
📅 Thursday 8:30 PM (CEST)
Doors: 20:30
Show: 21:00 to 22:00
Meet & Connect: Neue Freundschaften in Berlin (Workshop)
Potenzielle Freunde kennenlernen & das Neuste aus der Freundschaftsforschung erfahren.
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**💶 Eintritt: 13-20 Euro (nach eigenen Möglichkeiten)**
**🥇 Sichere Dir Deinen Platz mit [einem Ticket (Eventbrite)](https://www.eventbrite.de/e/meet-connect-neue-freundschaften-in-berlin-workshop-tickets-1985679305255).**
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Early-Bird-Tickets erhältlich.
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\-\-\-\-\-\-\-
**Schluss mit Einsamkeit & Langeweile: In angenehmer Atmosphäre Menschen kennenlernen & das Neuste aus der Freundschaftsforschung erfahren.**
Menschen mit guten Freunden leben länger, glücklicher & gesünder. Außerdem machen gute Freundschaften einfach Spaß.
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Manche sagen: "Es ist schwierig, in Berlin feste Freunde zu finden." Berlin - die Stadt der tausend Möglichkeiten ... das kenne ich auch. Deshalb gibt es diesen Workshop.
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**🚀 Dann machen wir einen Workshop!**
1. Maximal 40 Personen
2. Eine leichte Moderation führt durch den Abend
3. Wir lernen uns kennen und haben Spaß.
4. Wer mag, trifft sich wieder.
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Lass Dich überrauschen, wie vertraut es sich nach 3 Stunden anfühlt - als ob man sich schon lange kennt.
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**⏰ Die Tür ist offen ab 18:45 Uhr. Bitte sei pünktlich.**
* Der Workshop fängt 19:00 Uhr an. Sei am besten 18.45 Uhr da.
* Mantel aufhängen, Platz suchen, auf Toilette gehen, eine Runde schwatzen & los ...
* Nach 18:59 Uhr kein Einlass mehr, weil der Workshop begonnen hat.
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**🔱 5 Jahre Arbeit - 1 Workshop**
Fünf Jahre habe ich geforscht & ausprobiert, wie Menschen Freunde werden & was die Magie der Freundschaft ausmacht. Dieser Abend ist das Ergebnis.
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Praxisnahe, schnell umsetzbare Tipps, die Du schnell in den Alltag umsetzen kannst. Kleine Happen Theorie. - Und vor allem: Kennenlernen & Spaß haben. Wir probieren einfach miteinander aus.
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Eine Teilnehmerin sagte mal zu mir: "Georg, das Zeug wirkt!"
Was soll ich sagen?: "Stimmt. Ich hoffe doch! Dazu ist es da."
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Stell Dir vor: Ein Raum voll mit angenehmen Menschen, die Lust auf echte Freundschaften haben. Das gibt es in Berlin.
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**🌞 Weitere Angebote**
Freundschaft lebt vom Wiedersehen, vom Kennenlernen und von Tiefe.
Deshalb gibt es zahlreiche Angebote bei Abenteuer Freundschaft: Workshops, Wanderungen, Ausflüge, Spaziergänge, Frauen-Abende, Männer-Abende sowie Workshops zu Persönlichkeitentwicklung & Kommunikation.
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Für ein gutes Leben mit angenehmen Menchen. Bis es Klick macht & die richtigen Freundschaften entstanden sind.
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**🏠 Der Veranstaltungsraum**
* Wir haben einen wunderschönen Raum im Prenzlberg - im Life Artist Creators Hub
* Gut mit Öffis zu erreichen
* Schönhauser Allee (Ringbahn, U2, M1), Eberswalder Straße (U2, M10, M12)
* Vor Ort ist alles ausgeschildert. Der Veranstaltungsort ist im Hinterhof. Die Schilder haben ca. A4-Größe.
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**🎒 Bring das bitte mit:**
* Etwas zu trinken (z.B. deine Wasserflasche, **keinen** Alkohol)
* Wenn Du magst: Zettel und Stift für eigene Notizen.
* Du solltest satt sein und vorher gegessen haben
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**😲 Ehemalige Teilnehmer/innen:**
"Ich hatte Schwierigkeiten in Berlin anzukommen. Früher war es immer easy, hier viel es mir schwer Freunde zu finden. Bei Deiner Veranstaltung haben wir uns kennengelernt. Jetzt sind wir ein Freundeskreis. Ich hätte das nicht mehr geglaubt!"
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"Ich bin ein bunter Hund & habe viele Bekannte. Doch wie gute Schritte zu echten Freundschaften macht, das hast Du mir gezeigt."
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"Ich war nervös, ob ich wirklich kommen soll. Was sind da für Leute? Mit wem verstehe ich mich? Nach einer halben Stunde war mir klar: Gute Freunde sind gleich. Ich muss mich nicht mit jedem verstehen. Allein für die Methoden hat es sich gelohnt. Dankeschön!"
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"So schnell im Deep Talk miteinander. Interessant! Das hat Spaß gemacht."
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**👋🏽 Get in touch & stay in touch:**
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**✈ Telegram-Kanal: [t.me/abenteuer_freundschaft](http://t.me/abenteuer_freundschaft)**
für Events, Workshops & Neuste Erkenntnisse aus der Freundschaftsforschung (Überschriften)
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**✉ Freundschafts-Newsletter:** [https://abenteuer-freundschaft.de/newsletter](https://abenteuer-freundschaft.de/newsletter)
Alle 4 Wochen das Neuste aus der Freundschaftsforschung. Oft schreibe ich seltener, nämlich nur dann, wenn es wirklich etwas zu berichten gibt.
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**🔥 6 Zutaten großartiger Freundschaften**
Seit 2020 forsche ich, was echte Freundschaften ausmacht. "Die 6 Zutaten großartiger Freundschaften" sind mein bestes Zwischenergebnis. Du erhältst das eBook kostenlos mit dem Newsletter: [https://abenteuer-freundschaft.de/newsletter](https://abenteuer-freundschaft.de/newsletter)
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**🎭 Meet-Up-Gruppe:** [https://www.meetup.com/g/abenteuer-freundschaft/](https://www.meetup.com/g/abenteuer-freundschaft/)
Hier bist Du schon: Workshops, Spaziergänge, Wanderungen, Treffen, Eislaufen, Eisbaden, Männer-Abende, Freundinnen-Workshops, Sonntagsausflüge
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🌎 **Mehr über mich und Abenteuer Freundschaft:**
Meine Webseite mit viel Freundschafts-Wissen: [www.abenteuer-freundschaft.de](http://www.abenteuer-freundschaft.de)
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**🚀 Einige Highlights zum Freundschafts-Wissen:**
* [Welche Freunde passen zu mir?](https://abenteuer-freundschaft.de/welche-freunde)
* [Wie schnell entsteht Freundschaft?](https://abenteuer-freundschaft.de/wie-schnell-entsteht-freundschaft)
* [Wie viele Freunde braucht man? Wie viele Freunde sollte man haben?](https://abenteuer-freundschaft.de/wie-viele-freunde)
Chuckleheads English Comedy Show #437
An *electric* atmosphere featuring visiting pros and some of the best comedians in Berlin at the city's longest-running weekly show. There's no such thing as a bad Chuckleheads; it's as consistent as it gets. Come and find out why we have more regulars than any comedy show in Berlin. The right mix of lively yet laid-back energy in an intimate setting, with well-curated line ups. Chuckleheads is primarily for experienced comedians, though depending on the week we might have a spot for a newbie or two.
Doors: 8:00 pm
Showtime: 8:30 pm
RESERVATIONS ARE HIGHLY RECOMMENDED! We got limited seating. Book the amount of seats you need with your name and we'll have them ready for you.
It is still a free-entry show, though please donate to keep the laughs coming and pay for production costs. Suggested donation is 10-20 euros. If you've been to other shows, you know it's well worth it. Come be part of it! As is tradition in the nine years (!) of the show, free shots are also given at the start of each show.
Produced and hosted by Daniel Gutierrez.
See you all Thursday!
TypeScript Berlin Meetup May 2026 - we're back! 🥳
**The TypeScript Berlin meetup is back!**
After a long break, we're reviving the meetups for 2026 and we'd love to see you there. Whether you've joined us before or you're coming for the first time, welcome! Come round for talks, snacks, good conversations, and a chance to connect with other TypeScript devs in Berlin.
***
**🎙️ Interested in speaking?**
We have an ongoing call for speakers for this event as well as future ones.
[Fill it out here](https://tally.so/r/jaGa1J).
***
**📅 Schedule**
* 18:30 - Doors open, drinks and snacks 🍕
* 19:00 – Welcome 🤝
* 19:05 - Talk 1: "**Type-Driven Architecture: Stop Validating, Start Designing**" by [Mahesh Haldar](http://in.linkedin.com/in/haldarmahesh) 🎙
* 19:35 - Talk 2: "**Soundness holes in TypeScript’s type system**" by [Alexey Orlenko](https://www.linkedin.com/in/oleksiiorlenko/) 🎙
* 19:50 - Break 🥤
* 20:05 - Talk 3: "**Prisma Next: AI-Native, Graph Migrations, Extensions & Middleware**" by [Will Madden](https://www.linkedin.com/in/willmadden/) 🎙
* 20:35 - Talk 4: "**Prisma Next Performance**" by [Serhii Tatarintsev](https://www.linkedin.com/in/sevinf/) 🎙
* 20:50 - Wrap-up
* 21:00 - Doors close 👋
***
This meetup is organised by [Prisma](https://www.prisma.io/).
By attending the event, you agree to abide by our [Code of Conduct](https://www.prisma.io/event-code-of-conduct).
For questions, reach out to events@prisma.io
Complexity Events This Week
Discover what is happening in the next few days
Humanity: Dignity, Compassion, and Responsibility
### Humanity: Dignity, Compassion, and Responsibility
Humanity is one of the most basic concepts of human life. It refers not only to being biologically human, but also to a moral ideal: the ability to recognize others as dignified, vulnerable, and morally important beings. To speak about humanity is therefore to speak about compassion, respect, justice, responsibility, and human dignity.
Historically, the meaning of humanity has changed over time. In early civilizations, ideas related to humanity were often connected to divine order, justice, social harmony, and the protection of the weak. In ancient Greek and Roman thought, humanity became linked to reason, virtue, education, law, and civic life. The Roman idea of *humanitas* especially connected humanity with culture, moral refinement, and responsibility toward others.
Religious traditions also shaped the meaning of humanity. Many religions emphasize mercy, compassion, charity, humility, and care for the poor, the weak, and the stranger. In this sense, humanity was understood not only as a personal virtue, but also as a duty toward others and toward a higher moral order.
In modern philosophy and politics, humanity became increasingly connected to universal dignity and human rights. The idea that every person deserves respect and protection, regardless of origin, religion, gender, class, or nationality, became central to modern ethical and political thought. Humanity therefore developed from a limited social or religious duty into a universal moral principle.
However, the history of humanity is also a history of dehumanization. Slavery, colonialism, racism, war, genocide, and social exclusion show how people have often denied humanity to others. Dehumanization happens when human beings are treated as objects, threats, numbers, or tools. For this reason, humanity must also be understood as a critical concept against violence, humiliation, and exclusion.
From a psychological perspective, humanity depends on empathy, compassion, moral judgment, and the ability to understand the suffering of others. From a sociological perspective, humanity is shaped by institutions, laws, education, culture, and social norms. From a biological perspective, it is connected to cooperation, care, attachment, and social bonding. Yet humanity cannot be reduced to biology alone; it also requires moral reflection and social responsibility.
Today, humanity is challenged by war, poverty, migration, racism, technological change, artificial intelligence, and global inequality. Modern societies often reduce people to data, consumers, workers, or political categories. Therefore, the question of humanity remains urgent: how can dignity, compassion, and responsibility be preserved in a world shaped by power, technology, and crisis?
This discussion invites a critical exploration of humanity as a moral, social, political, psychological, religious, and biological reality. Humanity is not only what human beings are; it is also what they owe to one another.
***
📅 Event Details
🗓️ Date: Sunday, 31 May 2026
⏰ Time: 10:00
📍 Location: Tiergarten - Cafe am Neuen See
Lichtensteinallee 2, 10787 Berlin · Berlin, de
📱 WhatsApp: For prep materials and directions (Group Chat)
[Group Chat Bio](https://chat.whatsapp.com/Ba8ZAaH2Yuk6FGmD3LLO7H)
Comedy Therapy — Problems Solved by Comedians
**Berlin’s Only Comedy Show That Fixes Your Problems (Kind Of)!**
Stand-up comedy meets hilarious, unqualified life advice! Comedians tackle your anonymously submitted problems live on stage—roasting, dissecting, and turning them into comedy gold.
**Where?** The hidden Mitte gem —**Art.City.People** in **Heckmann-Höfe!**
**When?** Doors: **8:00 PM** \| Show: **8:30 PM**
Come for the stand-up, stay for the therapy—just bring your problems (or a friend with worse ones).
Every show is a fresh mix of **four experienced comedians and new audience problems**—so you never know what to expect!
Hosted by **Lena Stolby** — she’s Russian, so she *really* knows about problems!
**&**
We are a free entry pay-what-you-want show, and **have been running solely thanks to the support of the audience**, so to help us keep making this world a drama free place we **suggest a contribution of €12-15!**
**Seats are limited, so book now!**
The room gets very busy, so, to make sure you get a seat please book a seat via Eventbrite here (it’s free): https://www.eventbrite.com/cc/comedy-therapy-events-1626059
Chitta Walks - Awareness in Motion
Chitta Walks is for people whose days move fast, while the mind never fully lands. Thoughts keep looping even when nothing is urgent. The body moves, but attention is elsewhere. Over time, this disconnect drains clarity and ease.
This walk is a simple reset.
We meet in Berlin’s Tiergarten and walk at a gentle pace. Parts of the walk are in silence, with light guidance and a few short prompts. The walk itself is the practice, bringing body and mind back into the same moment.
No apps. No performance. Just a clear space to slow down and notice what is happening.
If you want to slow down without withdrawing from life, join a Chitta Walk.
✨ **What to expect (approx. 90 minutes):**
* A short arrival and orientation
* A guided silent walk (phones off, no conversation)
* One concise science-based impulse on attention or stress
* Optional reflection in pairs or small groups
* A simple takeaway or experiment for daily life
🚶**Who this is for:**
* Professionals, creatives, and people in transition.
* People who feel mentally busy and want more clarity and balance.
* Those curious about mindfulness, but grounded and practical.
* Anyone comfortable with silence and gentle self observation.
🔔 **Practical notes:**
* Duration: 60-90 minutes
* Wear comfortable shoes and weather-appropriate clothing
* No prior experience needed
* Group size is limited to keep the space quiet and focused
🧭 **Facilitator:**
My name is Partha Sarathi, you can call me PS. I have lived in Berlin for over 12 years. With a background in physics and materials science, my interest in mindfulness grew through personal experience with stress and health challenges. I facilitate the space and structure of the walk, inviting shared exploration rather than instruction.
🤔 **Why Chitta Walks?**
Chitta is a Sanskrit word referring to the mind or field of awareness, used here in a practical, non-religious sense.
Chitta Walks is about noticing how the mind works by slowing down and walking together. Mindful walking makes thought patterns visible in real time, while moving and sensing in the world.
The name points to a simple capacity: noticing what is happening in the mind without immediately trying to fix, judge, or optimize it.
🌿 **Possible effects:**
A calmer nervous system.
Clearer attention.
A felt sense of being more present in your body.
Subtle insights into how your mind reacts under everyday conditions.
A quieter, more grounded way of moving through the city.
**Come as you are. Walk. Notice. Leave with a little more space inside.**
„Kraft“ von Jonas Lüscher (2017)
Hi,
dieses Mal besprechen wir „Kraft“ von Jonas Lüscher (2017).
Hier der Link zum Inhalt und Buch :
https://www.chbeck.de/luescher-kraft/product/17627187
Wir treffen uns diesmal im Kowski nahe U-Bahnhof Turmstraße. :)
Women’s Book Club: Childhood by Tove Ditlevsen
This week we are discussing **Tove Ditlevsen:** Childhood.
We look forward to seeing you!
If you have book suggestions, would like to vote on our next reads, or join us for additional activities, please ask someone at the meeting to add you to our WhatsApp group.
Just a heads up: **The cafe only accepts card payments for amounts over €10**, so you may want to bring some cash for smaller orders.
**Also, if you're unable to attend, please update your RSVP so that someone from the waiting list can take your spot.**
Rust Berlin Talks: The next generation
**Rust Berlin Talks** is back for another evening of talks, shared ideas, and networking.
Join us to learn, share, ask, and connect. If you work with Rust professionally, use it in side projects, contribute to open source, or are simply curious to learn more, you are very welcome.
**Agenda**
* Doors open: 18:30
* Start: 19:00
* Talks
* Open mic / lightning talks
* Networking
**Speakers**
Egor Lebedev - Welcome and a short note from the RustRover team
Wolf Vollprecht - Pixi - A cross-platform package manager written in Rust
Florian Gilcher - LLM Policies
**Speaker Bios**
Wolf Vollprecht is the founder and CEO of prefix.dev, where he builds open-source software supply chain infrastructure for the conda ecosystems. Core projects include Pixi (a cross-platform package manager written in Rust), rattler (crates to work with Conda packages), and rattler-build. With \~7 years in the conda ecosystem, including creating Mamba during his time at QuantStack, Wolf has a lot of experience in making package management fast, reproducible, and secure.
Florian Gilcher used to be part of the Rust team in several positions and served as a member of the Rust Foundation board. He is also a co-founder of the Rust Berlin meetup. Today, he’s training Rust at Ferrous Systems, a company he co-founded.
**Open mic & future talks**
We’ll reserve a few short slots for anyone who wants to share something with the group. This can be a quick idea, a project, or an experience. Slides are optional.
If you’re interested in giving a longer talk at a future meetup, this is also a good opportunity to connect with the organizers.
**Venue & access**
Please arrive on time. We will have someone at the entrance to let people in between 18:30 and 19:15. After that, access becomes more difficult as the doors are locked and require manual opening.
**Registration**
The venue has limited capacity and events typically fill up with a waiting list. If you register and can no longer attend, even at short notice, please un-RSVP so someone else can take your spot.
Looking forward to seeing you all!
Book Swap in Gleisdreieckpark 📚 – Social Butterfly Club 🦋
Bring a blanket, maybe a drink or snack, and 3–5 books you’d like to pass on, and spend a relaxed Sunday afternoon with fellow readers at the Gleisdreieck Park.
Novels, philosophy books, poetry, comics, forgotten favorites — in any language — everything is welcome. Maybe you’ll leave with fewer books — or more. Both are part of the adventure.
This is not a formal market or networking event — just a cozy little community gathering with books, conversations, and a bit of curiosity. Come browse, swap, chat, or simply enjoy the atmosphere on the grass.
Orga
The meetup will only take place when the **weather is good**. Please keep an eye on notifications.
This meetup is donation based. Your contribution helps keep this community alive and is highly appreciated. You can either contribute in cash or via Buy me a Coffee: [https://buymeacoffee.com/butterflyradar](https://buymeacoffee.com/butterflyradar)
Questions? Check our Meetup-FAQs:
[https://socialbutterfly.berlin/meetup-faq/](https://socialbutterfly.berlin/meetup-faq/)
Meet your host
I’m Julia — a Berlin local who loves bringing people together. My path went from growing up in a dance school to studying philosophy to working in IT support, and somehow all of that led me here: hosting meetups and creating spaces where people can show up, relax, and connect.
Insta [https://www.instagram.com/juwaberlin/](https://www.instagram.com/juwaberlin/)
LinkedIn [https://www.linkedin.com/in/julia-waehnert/](https://www.linkedin.com/in/julia-waehnert/)
About
The Social Butterfly Club 🦋 is a Berlin-based community that has been bringing people together for over three years. Each gathering is part of a larger framework designed to help friendships grow through shared experiences in the city — with a long-term vision of turning Berlin itself into a shared, playful experience.
Love the vibe?
There’s a whole community waiting for you. 🦋
Join the Social Butterfly Club and experience Berlin together:
[https://socialbutterflyradar.substack.com/](https://socialbutterflyradar.substack.com/)
Complexity Events Near You
Connect with your local Complexity community
Ensuring Software Quality in the world of AI Developers - Matt Eland
**Important time note:** Please plan on arriving between 5:30 and 6:00 as the elevators lock after 6 and you'll need to message us and we'll need to come get you.
The building address is 4450 Bridge Park
The entrance is 6620 Mooney St, Suite 400
You will need to scan your ID at the door to get a visitor badge.
**Abstract**
Like it or not, AI agents are now capable of turning a quickly written paragraph of requirements into a pull request that is ready to be integrated into real-world production applications and it's now our responsibility to make sure AI doesn't go rogue and take down prod - or corrupt our data by misunderstanding the requirements or our existing schemas. In this session we'll explore strategies to protect our codebases through unit and integration testing, documentation, and code review along with additional ways of providing context and guard rails to our AI agents as they carry out the work we've assigned them to do. By the time we're done, you'll have a firm grasp of the problem and understand some helpful options for protecting your codebase from vibe coding mishaps getting YOLOed into prod.
**YouTube Link**
https://youtube.com/live/BltmWMH1zG0?feature=share
The Non-competitive Tennis Partner Program
We connect you with up to 30 Men or Women tennis partners close to your PLAYING REGION and skill level. This program is less competitive, no champions crowned, no league standings just dedicated tennis partners who want to meet up with you on the courts. Players will meet up to play a tennis match or just to hit around. Just go through the [Join Page](https://www.tenniscolumbus.com/partner-program) to enter this program.
[https://www.tenniscolumbus.com/partner-program](https://www.tenniscolumbus.com/partner-program)
BeComing Circle Initiates
http://photos2.meetupstatic.com/photos/event/2/a/9/6/600_348310902.jpeg
Instructor - Crow, HPS
Class fee is $30 at the door or approved exchange
RSVP with Advance pay of $25 (discounted) by PayPal on the web or by contacting Enchanted Elements (614) 437-2642.
Reservations made directly to Enchanted Elements will be added to the class list manually not online.
Private Instruction ~ Closed to the Public ~ Initiated Members Only
Please come prepared for ritual.
Blessings ~ Crow
Columbus Comedy Improv Meetup at Gresso's!
Whether you've never done improv before, or you've done it for so long you knew Del Close on a personal level, or anywhere in between, come join us! Swing by *Gresso's* for the **Columbus Improv Comedy Meetup** for some fun and games!
The idea behind improv is to create entire scenes from scratch based on a suggestion from the audience. This can be done in game form, like *Whose Line Is It Anyway*, *ComedySportz*, or *Wild 'n Out*; it could also be done to tell stories, like *Middleditch and Schwartz*. Our meetup, which is central Ohio's longest running (and free!) weekly comedy event, brings the games (and occasionally different forms) for you to play in a safe, supportive, and compassionate environment. Not only is it a lot of fun, but you get to work on thinking faster on your feet, plus it's an excellent way to meet new people and make friendships that'll last a lifetime!
Ask yourself if you want to join the **Columbus Improv Comedy Meetup**, and say "Yes, And" that you'll have fun!
QA or The Highway 2026
QA or the Highway is a one-day, affordable, regional, professional conference featuring real-world experience and thought leadership in the QA and testing industry.
This is a ticketed event please register here:
https://www.qaorthehwy.com/
Featured Keynote Speakers:
**Matthew-Hope Eland** **(Wizard at Leading EDJE)** \- An AI Specialist and Wizard at Leading EDJE who is known to teach software engineering\, AI\, and data science concepts in the most ridiculous ways possible\. Matt has used machine learning to settle debates over whether Die Hard is a Christmas movie\, reinforcement learning to drive the behavior of digital squirrels\, data analytics to suggest improvements to his favorite TV show\, and AI agents to play board games and create an AI agent with the personality of a dog\. Matt is the author of "Data Science in \.NET with Polyglot Notebooks" and "Refactoring with C\#" as well as several LinkedIn Learning courses\. Matt helps organize the Central Ohio \.NET Developer Group\, runs several blogs and a YouTube channel\, has a Master’s of Science in Data Analytics\, and is a current Microsoft MVP in AI and \.NET\.
**Tatyana Arbouzova** **(CEO at Innovate QA)** \- Tatyana Arbouzova is an engineering and business leader with a strong background in Quality Engineering across multiple industries\, including Big Tech\, Healthcare\, and Entertainment\. She has held leadership roles at world\-class companies such as Microsoft\, VMware\, Disney\, and The Pokémon Company International\, where she focused on building quality\-driven cultures and scaling teams to deliver high\-impact products\. With decades of experience\, Tatyana has helped organizations transform their quality practices so teams can deliver software efficiently\, confidently\, and with measurable business outcomes\. Today\, Tatyana advises software companies on adopting AI to optimize quality practices and improve how software is delivered at scale\. She is also a passionate community builder and the founder of Innovate QA\, a thriving Seattle\-based community and conference for quality professionals\.
Summer Flex Season
**How does a TennisColumbus Season / League run?**
The league advertises the season dates and builds a queue of committed players for the season.
**Kickoff Day - June 10th**
The start day of the season, players are sent a kickoff email that contains important information about the league, the link where your league standings and players contact information. We guarantee 6 playing partners at your playing level, but have been averaging closer to 15+ partners in most cities. The number of different levels we run is solely based upon the number of players enrolled for the league kickoff. Typically we are running a Skilled-3.0, Competitive-3.5 and Advanced-4.0 in most cities.
**Your Task - "Flexible Scheduling"**
After this kickoff email is sent, it is the **player's task to communicate with other players**. Players should work with their partners to find an agreeable time and location to play the match. While TennisColumbus doesn't mandate your playing schedule, it is recommended that players schedule at least one match per week. By request of the players, we started to allow players to play 1 rematch per season. The regular season is all about playing as much as you can. As of Feb. 10, 2026 we've had an amazing 2,017 players play more than [20 matches in a season](https://www.tenniscolumbus.com/info/MatchesInSeason).
**Where to Play?**
Play at your local free tennis courts, tennis parks, condo courts or tennis clubs. The league strongly suggests that players jointly try to pick a tennis court location convenient to both. We provide an extensive list of [tennis courts](https://www.tenniscolumbus.com/TennisCourts), including # of courts, lighting, hitting walls, etc. We strive to keep this list up-to-date.
TennisColumbus sets up a must play dates to push players out on the courts. The final deadline is the date marking the end of the season, at which point players with 3-5 wins (Actually total is specified on the division page) will qualify for a post-season playoff to determine the league champion.
**How to Play?**
Players can use three mostly standard playing formats: 2 out of 3 sets, 2 sets with 10 point super tie-breaker or the 10-game pro set (First to 10, used when court time is limited). On Feb. 2018, we added Fast Tennis 4 game pro set format as a valid format.
**Playoffs**
Each season concludes with a playoffs where players with anywhere from 3 to 5 season wins qualifies for a single elimination tourney. The champion is awarded based upon the league [Prize Pool](https://www.tenniscolumbus.com/info/prize_pool3). Each singles league champion also receives a playing entry into one of two national championships we run.
**[JOIN TODAY](https://www.tenniscolumbus.com/join)**
Full price is $39.95 to play in a season. The earlier you sign up we typically offer discounts during these tough economic times. Just go to the [Join Page](https://www.tenniscolumbus.com/join) and complete the short form. We'd be happy to find you dedicated tennis playing partners.
Psychic Development Series II - Pueo Group
Private Group. Closed to the Public
Knowing ourselves and understanding our abilities is the first step toward wielding our gifts with control and accuracy.
In subsequent classes we will verify and hone our talents with activities and discussion. These are hands-on workshops and participation is expected.
The goal of our series will be to develop expertise in areas of particular interest such as mediumship, channeling, divination, healing and, etc.. Our ultimate directions will be determined by class members as we evolve.
I look forward to sharing and discovering with you. - Cynthia





















