Mainframe Computing

**The Kosciuszko Foundation Next-Gen Association for Young Professionals** invites all peers in the Washington, DC and surrounding areas to the event: ***Scaling Success: Poland’s Private Sector in the Global Economy. Panel with Erik Brattberg and Pablo Rasmussen, Brzezinski Global Strategies.*** Join us for a dynamic KF Next-Gen panel discussion and networking reception featuring Erik Brattberg and Pablo Rasmussen of Brzezinski Global Strategies. Together, we will explore the key drivers behind Poland’s private sector expansion, including entrepreneurship, foreign investment, and regulatory evolution, while examining emerging opportunities in clean energy, digital innovation, and infrastructure, as well as the challenges ahead. **TUESDAY\, May 12\, 2026 \| 6:00\-8:00 PM** **The Kosciuszko Foundation DC** 2025 O Street NW Washington, DC 20036 **Poland has emerged as one of Europe’s most dynamic economic success stories**, with its private sector playing a central role in driving sustained growth and innovation. Over the past three decades, the country has transformed into a leading economy in Central and Eastern Europe, with rapid GDP expansion and notable resilience through global economic shocks. Today, Poland ranks among the largest economies in the European Union, supported by a diversified industrial base and a highly skilled workforce. At the heart of this transformation is a vibrant and expanding private sector. Market-oriented reforms have enabled private enterprises to account for roughly 80% of employment, exports, and economic value creation—making them the primary engine of national growth. From advanced manufacturing and logistics to a fast-growing technology and services ecosystem, Polish firms are increasingly competitive on the global stage. **Erik Brattberg** is Managing Partner of Brzezinski Global Strategies. He previously served as Senior Vice President at DGA-Albright Stonebridge Group, advising clients on U.S. national security policy, transatlantic relations, and political risk. A recognized expert on Europe with over 15 years of experience, he has held senior roles at the Carnegie Endowment for International Peace and the McCain Institute, among others. Erik is a frequent commentator in major international media and has written for outlets including *The Washington Post*, *Financial Times*, and *Foreign Affairs*. He holds degrees from Georgetown University and Uppsala University and has completed executive studies at Oxford University. **Pablo Rasmussen** is a Director at Brzezinski Global Strategies. He previously served in the Biden-Harris Administration as an advisor to the Deputy Director of the Peace Corps, supporting global operations and strategic initiatives across 61 country programs. Before that, he worked at Albright Stonebridge Group, advising Fortune 500 companies and organizations on transatlantic affairs, EU policy, and investment strategy. He holds a degree in Government from Harvard University and is fluent in English and Spanish. **Refreshments will be served.** **This is a FREE event. RSVP required to: development@thekf.org**

Come and join Northern Virginia porcelain artists. We will provide all the paints and materials needed. Just bring your smile and creativity. We paint from 10:00 am - 2:00pm every Tuesday & Wednesday. Please RSVP in advance if you like to join oir group. Text: 703-906-9150 We are located few minutes from Tyson’s corner in McLean.

A low cost, 6-week intermediate-level **中文** (Mandarin Chinese) course with the non-profit organization, the Global Language Network. \#\# Chinese \(Mandarin\) Frequent Flyer Language Class **Details:** \#\#\#\# Chinese \(Mandarin\) Frequent Flyer with Alex Tuesdays from 6:00pm - 8:00pm ET Apr 7th to May 12th In-person, Farragut Square DC * GLN classes are open to everyone over 18 years of age. * Have a credit or stipend to apply to your payment? Learn more about our credit, stipend, and refund policy on the [Pricing & Course Levels page.](http://%5B%5Bhttps://thegln.org/pricing-%26-course-levels%5D%5D(https://thegln.org/pricing-%26-course-levels%5D)(%5Bhttps://thegln.org/pricing-%26-course-levels%5D(https://thegln.org/pricing-%26-course-levels))) Ready to learn? **Register [HERE](http://%5B%5Bhttps://docs.google.com/forms/d/e/1FAIpQLSem9IdJEYqsE91SvfEEjIe8FuvoAjOusgE2ab_qkvm3apyjzg/viewform%5D%5D(https://docs.google.com/forms/d/e/1FAIpQLSem9IdJEYqsE91SvfEEjIe8FuvoAjOusgE2ab_qkvm3apyjzg/viewform%5D)(%5Bhttps://docs.google.com/forms/d/e/1FAIpQLSem9IdJEYqsE91SvfEEjIe8FuvoAjOusgE2ab_qkvm3apyjzg/viewform%5D(https://docs.google.com/forms/d/e/1FAIpQLSem9IdJEYqsE91SvfEEjIe8FuvoAjOusgE2ab_qkvm3apyjzg/viewform))).** **About GLN** We are a Washington, DC-based 501(c)(3) non-profit organization with a mission to "Use Language as a Tool to Help Fix Our World." Since 2015 we have been rated #1 Best Language Classes in Washington, DC by Yelp! We are so happy and grateful to have you join our network and we appreciate your support of our mission.

\#\# A low\-cost\, 6\-week intermediate\-level Spanish course with the non\-profit organization\, the Global Language Network\. Ready to dive into the world of Spanish? Join our fun and interactive class designed especially for those new to the language. **Details** Spanish Frequent Flyer with Anggela Tuesdays from 6:00pm - 8:00pm ET April 7th to May 12th In-person, Farragut Square DC Ready to learn? **Register [HERE](https://docs.google.com/forms/d/e/1FAIpQLSem9IdJEYqsE91SvfEEjIe8FuvoAjOusgE2ab_qkvm3apyjzg/viewform).** **Additional Information** * GLN classes are open to everyone over 18 years of age. * Have a credit or stipend to apply to your payment? Learn more about our credit, stipend, and refund policy on the [Pricing & Course Levels page.](https://thegln.org/pricing-%26-course-levels) **About GLN** We are a Washington, DC-based 501(c)(3) non-profit organization with a mission to "Use Language as a Tool to Help Fix Our World." Since 2015 we have been rated #1 Best Language Classes in Washington, DC by Yelp! We are so happy and grateful to have you join our network and we appreciate your support of our mission.

**Agenda :** * 4.45 to 5.00 PM ET: Food and Networking * 5.00 to 5.50 PM ET: "Build Intelligent Agents with Work IQ, Foundry IQ, Fabric IQ, and Copilot Studio" Hello Everyone! Please join us for our May 12th edition of the AI-ML MeetUp. **Please note this is an in-person meeting and light refreshments/food will be provided. You will need a government-issued ID to enter the facility.** **Title:** Build Intelligent Agents with Work IQ, Foundry IQ, Fabric IQ, and Copilot Studio **Description:** What if your AI agents truly understood how your business works, had instant access to trusted enterprise data, and could take meaningful action from end to end? In this session, we’ll cover how to build enterprise-ready AI agents that understand business context, use trusted data, and take real action. In this fast-paced session, we’ll bring Work IQ, Foundry IQ, and Fabric IQ together with Copilot Studio through best practices and live demos. Key Takeaways: \*Work IQ: Ground agents in real work, roles, and business processes \*Foundry IQ: Design and orchestrate intelligent agent behavior \*Fabric IQ: Power agents with secure, enterprise-grade data \*Copilot Studio: Bring it all together into an end-to-end intelligent agent **Location:** The meeting will be hosted in the Applied Information Sciences ( AIS ) office in Reston, at 11440 Commerce Park Dr # 600 · Reston, VA. The location is also right off the Silver Line metro's Wiehle-Reston Metro Station. **Parking:** Parking is paid and can be validated at the AIS office reception. We will meet in Room Lake Anne. We hope to see you all there!!!!

**GO TO OUR WEBSITE FOR LINK TO MEETING:** https://www.recoveringfromreligion.org/sg-calendar This is an RfR-wide event, not tied to any particular local chapter. \*NOTE: This meeting is solely for individuals who identify as female, non-binary and gender-fluid. The Recovering from Religion WOMEN'S chapter support group [Europe-based time zones] will meet the 2nd Tuesday of each month @ 6pm local time UK, unless the date falls on a holiday. Attendees are welcome to share, and may also decide to remain anonymous if they so choose. The primary focus of a Recovering From Religion support group is to provide ongoing and personal support to individuals as they let go of their religious beliefs. This transitional period is an ongoing process that can result in a range of emotions, as well as a ripple effect of consequences throughout an individual’s life. As such, the support meetings are safe and anonymous places to express these doubts, fears, and experiences without biased feedback or proselytizing. We are here to help each other through this journey. There is no cost to attend this support group but, if you feel so inclined, donations can be made at www.recoveringfromreligion.org/donate If you find you need to talk with someone before the next support meeting, RfR has a hotline and online chat for that express purpose. Go to www.recoveringfromreligion.org and click on the green chat bubble in the lower left corner of the site to chat online. If you are in need of professional help, we can offer the Secular Therapy Project to provide options to connect with a professional therapist. All therapists have been thoroughly vetted by our organization and offer only evidence-based and non-religious treatment. Connect with them at www.seculartherapy.org. Like what RfR does? Why not volunteer! There are quite a few options. Head over to www.recoveringfromreligion.org/volunteer for more info.

Healthcare organizations are increasingly using cloud-based real-world evidence (RWE) platforms to power clinical research, population health analytics, and AI-driven insights. However, building these systems on AWS introduces complex governance challenges around privacy, compliance, and multi-institution collaboration. This session explores how to architect data governance into healthcare analytics platforms on AWS, focusing on practical design patterns rather than policy theory. We examine how ethical data stewardship principles such as consent, accountability, and responsible data use, can be implemented using cloud-native controls and services. The presentation walks through key architectural considerations for secure RWE platforms on AWS, including role-based access control, auditability, data minimization, and encryption, and how these capabilities support compliance requirements such as HIPAA and GDPR. Attendees will learn how federated, multi-account AWS architectures enable collaboration across institutions while preserving local data ownership and control. We will also discuss privacy-preserving analytics patterns on AWS, including approaches that support federated learning, differential privacy, and secure computation to enable AI-driven insights without exposing raw patient data. Practical implementation trade-offs such as performance, scalability, and operational complexity will be highlighted using real-world platform scenarios. Attendees will leave with actionable AWS architecture patterns and governance strategies for building secure, compliant, and scalable real-world evidence platforms that unlock innovation while maintaining patient trust.

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.tennisdc.com/partner-program) to enter this program. [https://www.tennisdc.com/partner-program](https://www.tennisdc.com/partner-program)

Join us for our May happy hour! For those that don't drink, the bar has mocktails and sodas. **Getting there:** * Punchbowl is on the end of the building, **across from South Block** We plan to be on the first floor bar, right when you walk in. * **Metro:** PB is a block and a half away from the Ballston Metro stop * **Parking:** there is street parking and the mall also offers really cheap parking. $1 an hour for the first three hours.

**Begin your bikablo journey!** In this very full training day, you will learn and practice how to do all of the following and walk out the door with skills you can use at work (or play) the very next day! * Learn to hold the pen, draw clean lines, and structure your space on the flip chart * Create graphics and text containers/geometric shapes, objects and symbols * Discover the easy ways the bikablo® method provides to draw people, roles, groups, and situations * Use simple and fast options to color elements and spaces to support the graphic structure * Improve your handwriting—make it more legible and attractive—on flip charts… and more! **Location:** **IN PERSON** at Brian's Lizard Brain Studio in Herndon, Virginia. Exact address to be shared with registered participants. **Cost:** $600, payable to Jill Greenbaum. Go to Jill's calendar [here](www.jillgreenbaum.com/calendar), to choose and register for this course. **You MUST register with Jill to attend!**

Join us for a deep-dive with the team at **[Granica](https://www.granica.ai/)**[ ](https://www.granica.ai/)as they walk through the architecture they've built to tackle Data Lakes at enterprise scale: a unified maintenance suite covering vacuum, partition expiration, and right-to-erasure across all five major table formats. Expect real deletion semantics by format, common migration footguns, and the safety layer — retention floors, deferred recovery, multi-schedule, S3 Inventory — that makes cleanup safe at petabyte scale. Tarang and Tom will walk us through the architecture, share the deletion semantics that differ by format, call out the migration footguns teams consistently hit (shared-path tables, deletion vectors silently breaking VACUUM), and explain the safety layer — retention floors, deferred recovery, multi-schedule, and S3 Inventory integration — that makes it possible to run aggressive cleanup at petabyte scale without losing sleep. What you'll take away * Deletion semantics across Hive, Delta, Iceberg, and beyond * Common migration footguns — shared-path tables, deletion vectors breaking VACUUM * How to make GDPR right-to-erasure auditable at scale * Safety patterns: retention floors, deferred recovery, S3 Inventory integration **Speakers:** **Tarang Vaish — Co-founder & CTO, Granica** Tarang built production AI email security at Armorblox (acquired by Cisco), scaled distributed data at Cohesity, and worked on GPU development at AMD — giving him a full-stack view from silicon to SaaS. Granica now runs in production at some of the world's largest SaaS companies, managing 100+ PB of customer data. M.S. Computer Science, Stanford. **Tom Molloy -- Director of Enterprise, Grancia —** Tom was one of Snowflake's earliest sales hires and spent nearly a decade growing the platform from pre-beta to enterprise ubiquity. He later led go-to-market at dbt Labs and theom, working with large organizations on data governance, transformation, and security at scale.

**bikablo Basic Days 1 & 2** Join Jill, in person, for **Days 1 and 2**! In this two-day training, we focus on the basics of drawing and imagery in visual language: No matter your level of talent or skill, you will take your first visual steps up at the wall and learn how to use small details to make large spaces look clear, attractive, and lively. You will be working both individually and in small groups, and I will take plenty of time to answer your questions and guide you into the world of visual language with hints and techniques suited to fit your individual progress. **Areas of focus and learning:** * Holding the pen and drawing the line: How do I draw clean lines and structure my space on the flip chart? * Graphics and text containers: How do I create simple arrows and connecting elements from basic geometric shapes in order to present related topics? Which text containers (e.g. speech bubbles) can be used to support which kinds of messages? * Objects and symbols: How do I draw simple symbols to underline messages? What is essential, what can be left out? * Drawing symbols: How can I easily draw and use symbols to convey meaning? * Figures: What easy ways does bikablo® provide to draw people, roles, groups and situations? * Color and space: What are simple and fast options to color elements and spaces in a quick and simple way that supports the graphic structure? * Writing: How do I improve my handwriting on the flip chart to make it more legible and attractive? * Posters and settings: Combine the ingredients (graphics, writing, symbols, figures, and color) to create visual translations of content and meaningful posters for different purposes (welcome, agenda, instructions, group work) * **Location:** **IN PERSON** at Brian's Lizard Brain Studio in Herndon, Virginia. Exact address to be shared with registered participants. **Cost:** $1100, payable to Jill Greenbaum. Go to Jill's calendar [here](www.jillgreenbaum.com/calendar), to choose and register for this course. **You MUST register with Jill to attend!**

[Book Your Classes by Clicking This Link! ](https://crowndancestudio.com/group-classes/) Friday: Advanced Expression End the work week with high-energy **Advanced Rhythm** from **7:00 PM to 8:30 PM**. This session dives deep into the technicalities of Latin and Ballroom styles like Rumba, Samba, or Mambo, designed for dancers who value precision and artistic expression. For $25, you'll receive intensive instruction that pushes your physical boundaries and refines your competitive or performance edge in a high-vibe atmosphere. **When: Every Friday** **Time: 7:00 pm to 8:30 pm.** **1 Dances per month:** **\*Please check the flyer on the group class page for the dance of the month. Or contact us to find out.** **Cost:$25 per person for 90 min.**

We will show how to build custom agents with Microsoft Agent Framework. Attendees will learn how to build and custom host agents when Microsoft Foundry is not a viable option.

**Total Eclipse of the Chart: School Redistricting Dashboards** In this presentation, we will explore the utilization of maps, sets, and SQL within a Tableau dashboard to help provide “what-if” analyses generated through the use of a mapped dashboard, providing different scenarios and the potential implications of these. While in this use case we are focused on a large school district, the concepts of utilizing existing data to explore the future impacts of modifying different geographic boundaries can be useful to many industries, balancing the mix of maps with visual analytics. **About Our Speaker** Robert Kramer is the Data Systems and State Reporting Coordinator at South Western City Schools in Grove City. He has worked there for 17 years, serving previously in the roles of Data Analyst, Programmer, and Operations Coordinator. Prior to working at South Western, he worked as a Systems Engineer at Pinnacle Data Systems in Groveport. He graduated in 2005 from The University of Toledo with his Bachelor’s in Computer Science and Engineering, and a minor in Mathematics. Robert resides in Obetz with his wife, and their 15 and 12 year-old daughters. He was also just elected to his 3rd four-year term on the Obetz City Council. Thanks to our 2026 sponsors: [Clarivoy](https://www.clarivoy.com), [What Box Consulting Group](https://www.whatboxconsultinggroup.com), [Conductrics](https://www.conductrics.com), and [Piwik PRO](https://piwik.pro) More info at [cbusdaw.com](https://cbusdaw.com)

Customer identity resolution becomes increasingly complex as organizations scale across multiple systems, regions, and data formats. Traditional rule-based approaches often fail to keep up with data variability, require constant manual tuning, and struggle with real-time processing needs. This session presents a practical approach to building a scalable identity resolution pipeline using AWS services and modern AI techniques. The architecture combines data ingestion through Amazon S3 and AWS Glue, transformation pipelines using Spark on EMR, and machine learning models deployed via SageMaker for entity matching and standardization. Graph-based relationship modeling is implemented using Amazon Neptune to improve resolution accuracy by incorporating household and shared attribute context. We will walk through how machine learning models can be used for name and address normalization, how intelligent blocking strategies improve matching efficiency, and how feedback loops can be introduced to continuously improve accuracy. The session also highlights how serverless components such as AWS Lambda can be used for orchestration and real-time processing. **SPEAKER BIO** Mosaic Syed is a Senior Data Engineering and Cloud Solutions Architect with over 20 years of experience designing and delivering scalable, secure, and high-performance data solutions across global enterprise environments. https://www.linkedin.com/in/mosaic-basha-syed-92300856 **CALL FOR SPEAKERS** Learn more: [https://www.awscolumbus.com/get-involved/](https://www.awscolumbus.com/get-involved/) **THANK YOU** *VEEAM* for hosting our meetup! To learn more about *Veeam*, please visit their website: [https://www.veeam.com/](https://www.veeam.com/) **DIRECTIONS** 8800 Lyra Dr #450 · Columbus, OH go to 4th floor. **Want to sponsor the pizza and/or bar tab?** Please contact me if you would like to sponsor this meetup's pizza and/or bar tab: angelo@mandato.com

**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** TBD **YouTube Link** TBD

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)

**Improving Office in Franklinton** Physical location: Improving Office 330 Rush Alley Suite #150 Columbus, OH 43215 Schedule: 6:00 p.m.: Socialize, eat, and drink. Improving will be providing pizza and beverages. 6:30 to 8:00 pm. Main meeting and presentation(s). Topic: This month John Lairson will share a notebook describing the Alpaca (Paper) Trading API and discuss different algorithms for evaluating stock trades. We meet on the last Monday of each Month. Presentations are given by members and friends of this group. If you would like to do a presentation (small or large) on a python topic, please contact Central OH Python at centralohpython@gmail.com

Practical AI for Power BI Developers A year ago, “agentic AI” was mostly hype for Power BI teams. Today, it deserves your undivided attention. For Power BI pros, there is now a real opportunity to reduce repetitive development work, accelerate delivery, and help developers do more, but only when strong DataOps practices are in place to make AI workflows effective. This session is a no-nonsense introduction to effective AI patterns for Power BI and Fabric development. Along the way, we will make sense of the growing pile of terminology, including skills, plugins, hooks, and MCP. You will see examples of how modern AI tooling can help with development tasks across Power BI and Fabric, along with the prerequisites, guardrails, and DataOps principles needed to use it responsibly. Whether you're burned out on AI hype or already using Copilot CLI daily, this session will show you the foundations that are finally making AI-assisted development genuinely useful.