Community Service Berlin
Join Berlin's vibrant community service networks
LessWrong Community Weekend 2026
Fri, Sep 11, 10:00 AMJoin one large rationalist social gathering, which brings together 250+ aspiring rationalists from across Europe and beyond for 4 days of socializing, fun, and intellectual exploration. **Full Info & Applications:** [https://www.lesswrong.com/events/iqkaNDmhqpoZWNpXs/lesswrong-community-weekend-2026](https://www.lesswrong.com/events/iqkaNDmhqpoZWNpXs/lesswrong-community-weekend-2026) The whole event **will be participant-driven** in an unconference style: shortly before, and any time during, the weekend, a digital event schedule is filled with 100+ workshops, talks and activities by the attendees. The community weekend is family & LGBTQIA+-friendly, and after last year's amazing experience, we are increasing our effort into creating a diverse event where people of all ages, genders, backgrounds, and experiences feel like they are at home. We invite everyone who shares a **curiosity** for new perspectives to gain a truthful understanding of the world and its inhabitants, a **passion** for developing practices and systems that achieve our personal goals and, consequently, those of humanity at large, as well as a desire to nurture **empathetic relationships** that support and inspire us on our journey. **Price:** Regular ticket: €225\-275 \| Supporter ticket: €300/400/500\+ (The ticket includes accommodation from Friday to Monday, meals, and snacks.) Nobody makes any money from this event, and the organizer team is unpaid. This event has a special place in our heart, and we truly think there’s nothing else quite like it. It’s where so many of us made friends with whom we have more in common than each of us would’ve thought to be possible. It’s where new ideas have altered our opinions or even changed the course of life - in the best possible way. **Note:** You need to apply and be accepted via the application form. RSVPs are appreciated but don't count towards your participation.
AWS Community Day DACH 2026
Tue, Sep 15, 6:00 AM**Don't forget to register for free here:** [RSVP AWS Community Day DACH 2026](https://www.aws-community-day.de/register) \-\-\- Dear Community, It's our favorite time of the year and **AWS Community Day DACH** is beginning soon! This year we're gathering in Berlin, with multiple stages of technical sessions, workshops, sponsor booths and countless exciting details! See the full agenda at [https://www.aws-community-day.de/agenda](https://www.aws-community-day.de/agenda) 📅 Date: 15 September, Tuesday 📍 Location: Kosmos, Berlin 🏷️ Price: Free / 50€ as Supporter Ticket **Get your ticket here: [https://ti.to/aws-community-dach/cd26](https://ti.to/aws-community-dach/cd26)** **Mark your calendars,** and we can't wait to see you in Berlin for another exciting Community Day! \-\-\- 🎫 Register now at [aws-community-day.de](http://aws-community-day.de/) and mark your calendars for September 15. We will be there, and we look forward seeing you with us, as always! 💜
Beyond Technology: AI & Data for the Common Good
Thu, Sep 17, 3:30 PMWhat if the most valuable use of AI isn’t automation, but helping people make **better decisions in situations of uncertainty**? Join **Women in Big Data Berlin** and the **Bertelsmann Stiftung** for an evening exploring how AI and data can support evidence-based decision-making and create meaningful social impact. As AI moves from experimentation into everyday work, we want to look beyond what the technology can do and ask **how we can use it responsibly, who benefits, and what it takes to build trustworthy systems that serve the common good.** We’ll hear practical examples from experts working across AI, data, policy and social impact, including: * **AI-powered knowledge management** that makes information findable, contextualised and traceable * **Research agents for policy** that turn complex questions into evidence synthesis, research gaps and decision-ready options * **Responsible AI by design**, including human oversight, data protection, transparency and quality checks * **Impact beyond automation**, focusing on better decisions, learning and long-term organisational capacity **Agenda** **17:30–18:15 \| Registration & Snacks** **18:15–18:30 \| Welcome & Opening Remarks** [Carsten Große Starmann](https://www.linkedin.com/in/carsten-gro%C3%9Fe-starmann-16547144/), Vice President, Bertelsmann Stiftung [Anita Fechner](https://www.linkedin.com/in/anfech/), Women in Big Data Berlin **18:30–18:50 \| Keynote: AI for Good** [Dr. Katarzyna Stoltmann](https://www.linkedin.com/in/katarzyna-kasia-stoltmann-6b7656116/), Women in Big Data Berlin **18:50–19:20 \| AI & Data for the Common Good** [Dr. Helena Bakic](https://www.linkedin.com/in/bakich/), Data Science Lab [Dr. Jens Preußner](https://www.linkedin.com/in/jpreussner/), Digitalization and the Common Good **19:20–20:00 \| Panel Discussion** Moderated by [Aliya Boranbayeva](https://www.linkedin.com/in/aliyaboranbayeva/) **20:00–21:00 \| Networking Reception** Whether you work in **AI, data, policy, research, philanthropy, civil society or communications**, join us to explore how technology can move beyond automation and contribute to better decisions and greater social impact. **Registration is required for this event.** *Photos and videos will be taken during this event to capture the atmosphere and document our event. By participating, you also agree that we may use your images and videos for marketing and promotional purposes, including publication on our website, on our social media, in printed marketing materials and in press releases. Our partners involved in the financing of this event and speakers may also have access to this content. If you agree to these terms and conditions and wish to participate in our event, you do not need to do anything else. Your participation constitutes consent to the use of your images and videos as described above.* *Please note that your participation in the event is not conditional on your consent to the use of your images and videos. However, if you do not want your images and videos to be used, please let us know and speak to us directly at the event and we will take appropriate measures to protect your privacy. Thank you for your understanding and support.*
AWS Community Day DACH 2026 in Berlin
Tue, Sep 15, 7:00 AMDear Community, It's our favorite time of the year and AWS Community Day DACH is beginning soon! **Register now at [aws-community-day.de](https://aws-community-day.de)** (not here in this event!) This year we're gathering in Berlin, with multiple stages of technical sessions, workshops, sponsor booths and countless exciting details! 📅 Date: 15 September, Tuesday 📍 Location: Kosmos, Berlin 🏷️ Price: Free / 50€ as Supporter Ticket Mark your calendars, and we can't wait to see you in Berlin for another exciting Community Day! This year, we're bridging two essential forces in tech: the technical expertise of developers and the power of our AWS community. 👨🏼💻 For our Opening Keynote, we have Mark Rambow! As a developer-focused expert, Mark brings deep technical insights into building and scaling applications in the cloud. He will share how developers can leverage AWS technologies to drive innovation and create high-impact solutions that matter. 🫶🏻 Four our Closing Keynote, we're also excited to announce Ramona Schwering! With extensive experience in community building, Ramona helps tech organizations foster vibrant ecosystems where builders can connect, learn, and grow together. She will share her insights on what it takes to thrive as both an organisation and individuals within a thriving tech community. ⚡ Together, Mark and Ramona represent the perfect blend of technical depth, community engagement and thriving in tech that defines success in today's cloud-driven world. 🎫 Register now at [aws-community-day.de](https://aws-community-day.de) and mark your calendars for September 15.💜
Toastmasters Public Speaking - Practice effective Team Communication
Tue, Sep 15, 4:50 PM**Center Berlin Toastmasters: Put your words into action** New time: 7pm please arrive 10 minutes earlier. Join us for an exciting event where you can **put your words into action**! Toastmasters Berlin is hosting this **in-person event** at the **St. Lukas Church**. It's the perfect opportunity to enhance your public speaking skills, gain confidence, and connect with like-minded individuals. At Center Berlin Toastmasters, we believe in creating a supportive and encouraging environment for everyone. Whether you're a seasoned speaker or just starting out, you'll find a place to grow and improve your communication skills. Our experienced members will provide valuable feedback and guidance to help you become a more effective speaker. Don't miss this chance to **challenge yourself** and expand your horizons. Join us at the **St. Lukas Church** at 7:00 PM and let your words make an impact! **Agenda of the evening:** **Welcome and Introductions:** The Toastmaster of the Day (TMOD) often opens the meeting, who welcomes everyone and introduces the meeting's theme or agenda. The TMOD also introduces the key roles and functionaries for that session. **Prepared Speeches:** A significant portion of the meeting is dedicated to prepared speeches. Members working through various projects in the Toastmasters education program deliver speeches based on their chosen projects. Each speech is evaluated by a designated evaluator who provides feedback on strengths and areas for improvement. **Table Topics:** Table Topics is a segment where impromptu speaking skills are tested. The Table Topics Master presents a series of short, unprepared speaking challenges or questions, and members or guests are invited to come to the podium and give a brief, improvised response. **Evaluations:** Following the prepared speeches and Table Topics segment, evaluators provide constructive feedback to speakers. These evaluations focus on content, delivery, body language, and time management. The goal is to help speakers improve their speaking skills. **Reports and Functionary Roles:** The meeting may include various functionary roles, such as the Timer, Grammarian, Ah-Counter, and others, who report on their observations and contributions to the session. These roles help members improve their language and time management skills. **General Evaluator:** The General Evaluator provides an overall assessment of the meeting, highlighting what went well and offering suggestions for improvement. They may also evaluate the evaluators' performance. **Awards and Recognitions:** Toastmasters sessions often conclude with awards and recognitions, including the Best Speaker, Best Evaluator, and Best Table Topics Speaker. These awards encourage members to strive for excellence in their speaking and leadership abilities. **Closing:** The meeting concludes with closing remarks from the Toastmaster of the Day, who may express gratitude to participants and encourage them to continue their Toastmasters journey. **Networking and Socialising:** After the formal meeting, members and guests often have the opportunity to network, socialise, and discuss their experiences in a more relaxed setting. Address: Bernburger Straße 4-5, 10963 Berlin Phone: +49 160 2376546 Email: [cb.toastmasters.d95@gmail.com](mailto:cb.toastmasters.d95@gmail.com) See you there!
AWS Community Day DACH
Tue, Sep 15, 6:00 AMDear Community, It's our favorite time of the year and [AWS Community Day DACH](https://www.aws-community-day.de/) is beginning soon! This year we're gathering in Berlin, with multiple stages of technical sessions, workshops, sponsor booths and countless exciting details! 📅 Date: 15 September, Tuesday 📍 Location: [Kosmos, Berlin](https://maps.app.goo.gl/VJYogGHs3RxMYrYf7) 🏷️ Price: Free / 50€ as Supporter Ticket Mark your calendars, and we can’t wait to see you in Berlin for another exciting Community Day! This year, we're bridging two essential forces in tech: the technical expertise of developers and the power of our AWS community. 👨🏼💻 For our Opening Keynote, we have [Mark Rambow](https://www.linkedin.com/in/markrambow/)! As a developer-focused expert, Mark brings deep technical insights into building and scaling applications in the cloud. He will share how developers can leverage AWS technologies to drive innovation and create high-impact solutions that matter. 🫶🏻 Four our Closing Keynote, we're also excited to announce [Ramona Schwering](https://www.linkedin.com/in/ramona-schwering/)! With extensive experience in community building, Ramona helps tech organizations foster vibrant ecosystems where builders can connect, learn, and grow together. She will share her insights on what it takes to thrive as both an organisation and individuals within a thriving tech community. ⚡ Together, Mark and Ramona represent the perfect blend of technical depth, community engagement and thriving in tech that defines success in today's cloud-driven world. 🎫 Register now at [aws-community-day.de](http://aws-community-day.de/) and mark your calendars for September 15. We will be there, and we look forward seeing you with us, as always! 💜
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