Quality Assurance

**First meetup of the Columbus AI Engineering group.** We’ll kick things off with a practical, beginner-friendly discussion on: **How LLMs like ChatGPT actually work — and how to build real applications with them.** We’ll cover: * what’s actually happening under the hood (at a high level) * why LLMs behave the way they do (hallucinations, prompt sensitivity, etc.) * how people are building real systems with them today * where things break in practice This will be a **short, informal talk (\~15–20 min)** followed by open discussion and Q&A. Whether you’re an engineer, builder, or just curious about how modern AI systems work, you’re welcome to join. No slides, no fluff — just real conversation about real systems. We’ll hang out afterward and get to know each other.

Ciao a tutt\*! Let's meet Monday at 6.30pm at the Upper Arlington Library (**Tremont** Branch) in **Meeting Room A** to speak in Italian for 1 hour.

**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: Type Annotations with John Cassidy 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

Join us for a flat 2.6 mile hike along the Alum Creek Trail from the rear parking lot of the Easton Hilton Garden Inn to the Strawberry Farms Park and back. This scenic trail along Alum Creek is a gem. Come and hike it with us!

This is an in-person meeting. At this meeting you will get answers to depression and anxiety. Find out the source of them and how to get rid of them. Did you know that unwanted emotions like anxiety, depression, unhappiness, loneliness, hopelessness, anger, fear, or feelings of irritation don’t just fall on you for no reason. They are not random occurrences that simply happen to people's minds. They are definitely not due to a chemical imbalance in your brain from some nebulous chemical reaction "by chance". Your negative emotions are the symptoms of the painful experiences that you have which are not healed, and which are still affecting you. The effects of these painful experiences are exacerbated by the pressures or difficulties of the other problems in your life. Come to our Meetup, where we can introduce you to some of the knowledge, tools and techniques of the breakthroughs in the field of the mind that we can apply to this ever important area of life. Be sure to click on the red "Attend" button below to come to this local event. We look forward to seeing you there. This group is created by the Hubbard Dianetics Foundation of Central Ohio and Church of Scientology of Central Ohio.

Main Library, Meeting Room 2B Join us for a welcoming evening of reflection, gentle music, and meaningful conversation. We’ll begin with a short grounding moment, followed by a brief reading from spiritual or philosophical traditions, and an open reflection circle where participants can share (or simply listen). Libera Animae is an interfaith community focused on inner growth, creativity, and authentic connection. All backgrounds are welcome.

It’s time to take control of your mental health. How do you get rid of stress, anxiety and uncertainty? These emotions are buried deep in your reactive mind. Find out what the reactive mind is, and in the process find yourself. Have you ever suffered from a traumatic experience, a deep loss or been through a painful breakup? Has your ability to communicate suffered as a result? And after that, even though you "moved on" did you find that things were never quite the same? Have you ever looked at childhood photos, or reminisced your early life and wondered where that happiness and spark went? Are your emotions out of your own control? Have you ever felt, even if you aren’t aware of it, that possibly you are getting in your own way of your happiness and success? How does this affect your self-confidence? Find out what is at the root of all stress, anxiety, depression and self-doubt. Find out how and why you hold yourself back from achieving your goals and having the life you have dreamed of. As soon as you learn what is at the root of these unwanted conditions, you’ll see it is something you can DO something about. You will not be labeled or categorized at this MeetUp.

Rev. Steven Clevenger is an ordained spiritualist minister with over 40 years experience as a Spiritual Healer, Clairvoyant and Spiritual Teacher, educated and trained at the White Lily Chapel. Rev. Siobhan Wolf Shaffer is an ordained spiritualist minister and certified medium and healer with over 20 years experience. She began her development in 1988 in Pennsylvania and continued when she moved to Ohio in 1998 where she studied at Rays of Lights Church with Rev. Steven Clevenger. Our full worship services consist of an inspirational lecture, healing meditation, and messages from the spirit world that serve to demonstrate evidence of eternal life. Please visit our Official Church Website (http://raysoflightchurch.com) for more information.

Enjoy a bit of Columbus culinary history at Carfagna's market, wine bar and ristorante. We will gather for a glass of wine or two in the wine bar at 6:30 with dinner at 7pm. Arrive early if you like, shop and place your items in a cooler in your car. This is a pay-on-your-own event. I will have a reservation for twenty (20) at 7pm. Message me if you want to be on my table. Keep your reservation up to date as the Attendance and Release of Liability provisions are enforced, including the 48 hour No-Show Rule. See the first page of Group Page for details. Read about the history of Carfagna's here and also see their weekly specials. https://carfagnas.com/about-carfagnas/

A fun way to compare wines from two different countries at a time. House Wine is squaring off two countries' wines against each other each Thursday in March. March 12, March 19, March 26, and the Finals April 2nd. Meet and Greet format....show up after 7pm, pay your $15 at the cash register, get your wine glass, and enjoy. I will get a table reserved for the group. Remember, you may bring in your own food or takeout. Attendance is your agreement to the Group's Waiver of Liability terms. See our Group homepage for details. Parking is tough at House Wine; there is a municipal lot one-half block north of the shop and sometimes parking at the lot behind Jet Pizza, accessed by the lane between the east House Wine parking lot and the residence to the east.

**🥰 Cincinnati, Ohio, USA Zoom Speed Dating – Matched by Age & Personality** Speed dating from home — meet real Cincinnati, Ohio, USA singles on Zoom. You'll rotate through short one-on-one video chats with Cincinnati, Ohio, USA locals who've been matched to you by age and personality. A host keeps everything running smoothly. **Select your age group below:** - **Ages 18-32** → [REGISTER HERE](https://tempodating.com/product?productId=390.0&productType=onlineSpeedDating&city=Cincinnati%2C%20Ohio%2C%20USA&groupurlname=rose-quartz-singles&ar=18-32&face_v=6.0) - **Ages 30-46** → [REGISTER HERE](https://tempodating.com/product?productId=390.0&productType=onlineSpeedDating&city=Cincinnati%2C%20Ohio%2C%20USA&groupurlname=rose-quartz-singles&ar=30-46&face_v=6.0) - **Ages 40-58** → [REGISTER HERE](https://tempodating.com/product?productId=390.0&productType=onlineSpeedDating&city=Cincinnati%2C%20Ohio%2C%20USA&groupurlname=rose-quartz-singles&ar=40-58&face_v=6.0) - **Ages 55+** → [REGISTER HERE](https://tempodating.com/product?productId=390.0&productType=onlineSpeedDating&city=Cincinnati%2C%20Ohio%2C%20USA&groupurlname=rose-quartz-singles&ar=55+&face_v=6.0) **⚠️ Heads up — RSVPing here isn't enough.** Register via your age group link below and complete the quiz. Limited capacity. --- 🎯 **Perfect for:** - People tired of dating apps who want real conversation - Singles in Cincinnati, Ohio, USA who want to meet locals from home - Anyone curious about speed dating but wants a low-pressure start - Cincinnati, Ohio, USA locals looking for personality-matched dates - Singles who want a hosted, organised experience **Event Details** - **Format:** Live on Zoom – guided rounds from home - **Location:** Anywhere you're comfortable – no venue, no commute - **Host:** Professional host keeping things smooth and relaxed - **Vibe:** Friendly and low-pressure – just real chats with Cincinnati, Ohio, USA locals **How It Works** 1. **Sign up** – Click the link for your age range above. 2. **Complete the quiz** – Quick personality quiz so we can pair you well. 3. **Join on Zoom** – Click the link, hop on, and the host takes it from there. 4. **Chat** – Short timed rounds with Cincinnati, Ohio, USA singles matched to you. 5. **See your matches** – Find out who you clicked with after the event. 💡 **Tip:** Good lighting and a tidy background go a long way. **Frequently Asked Questions** **What's the personality quiz for?** It helps us pair you with compatible people. **How long are the chats?** A few minutes each — enough to get a feel for someone. --- ✨ Real people, real conversations — all from home. 🌹 ✨

Some trained COUNT volunteers work together once a month at RMH (http://www.rmhc-centralohio.org/volunteer.php) as Housewarmers (usually on the 1st Sunday from 1 – 5 PM). Some schedule other shifts at their convenience. You may try this out with less fuss by following a "Fast track" or go through the normal process. Fast track • Arrange a time to shadow a COUNT volunteer. Call Dave Nohle at 614-268-9558 (cell). • Show up and try it out. • Complete application, etc. later. Normal process • Complete an online application (http://rmhc-centralohio.org/volunteer/). • Attend orientation in advance. • At orientation you will complete forms agreeing to keep family/patient info private and allowing a background check and tour the facility. • Complete one training shift. Daily shifts are: morning 9 AM - 1 PM, afternoon 1 - 5 PM and evening 5 - 9 PM. • Schedule shifts online using the on the RMH scheduling system (http://www.volgistics.com/ex/portal.dll/?FROM=32895). The Ronald McDonald House (RMH) provides housing and meals for families with sick children. The Columbus RMH is the largest in the world with 137 rooms. COUNT has been volunteering there since May 2014. Housewarmers work with RMH guests to provide a home-like environment - greet, assist with family needs, answer phones, give tours, assist with checkin/checkout, prepare guest rooms after checkout, clean facility, laundry, restock supplies and staff the front desk. RMH Housewarmers volunteer at least one four-hour shift a month. All Housewarmers must complete an application and agree to a background check before they can be full fledged volunteers.

Christians in Tech is a community at the intersection of faith and technology. Our meetups are designed to spark meaningful conversations, promote knowledge sharing, and encourage growth—both in your career and your spiritual walk with God. Whether you're an experienced professional or just starting your tech journey, CIT welcomes you. Our Website [https://linktr.ee/citcbus](https://linktr.ee/citcbus) Sponsors and Partners * Improving (Venue Sponsor) * Bethel World Prayer Center (Fiscal Sponsor) * Fruits & Roots (Coffee Partner)

**Join us for a vegan morning at downtown Columbus's premier vegan diner!** * **Date:** Saturday, April 4th * **Time:** 11:00 AM * **Location:** [4th & State](https://www.4thandstate.com/) (152 E State St, Columbus, OH 43215) * **Type:** Community Dining / Brunch * **Cost:** Pay-as-you-go (Entrees typically range from $10–$20) *** **About the Event** Come catch up with fellow vegans and vegan-curious friends in the heart of downtown. 4th & State is a family-owned, "mod diner" known for its laid-back atmosphere and incredibly indulgent vegan comfort food. Whether you’re looking to discuss animal rights activism or just want to enjoy a milkshake with like-minded people, all are welcome! **The Food** This spot is **100% vegan** and offers a massive menu of diner classics. Highlights include: * **Signature Brunch:** The **Vrunchwrap**, pancakes, and French toast sticks. * **Comfort Classics:** Loaded fries, burgers, and their "hand-breaded tempeh chicky." * **Allergen Friendly:** They offer a dedicated **gluten-free** menu and are a **tree-nut-free** kitchen (with the exception of coconut oil). **Important Details** * **Seating & Reservations:** 4th & State typically does **not take reservations**, so please RSVP early so we can try to coordinate seating together. * **Parking:** There is free and paid street parking nearby, as well as several paid parking lots in the downtown area. * **Accessibility:** The restaurant features a wheelchair-accessible entrance and seating.

Pay attention! We’re delaying a week for those of you who may be on Spring break and/or celebrating the holiday. Ok, no pancakes, but waffles-a-plenty. Join the local UX and Digital Design community for a casual monthly breakfast. Look for us upstairs!

Rev. Steven Clevenger is an ordained spiritualist minister with over 40 years experience as a Spiritual Healer, Clairvoyant and Spiritual Teacher, educated and trained at the White Lily Chapel. Rev. Siobhan Wolf Shaffer is an ordained spiritualist minister and certified medium and healer with over 20 years experience. She began her development in 1988 in Pennsylvania and continued when she moved to Ohio in 1998 where she studied at Rays of Lights Church with Rev. Steven Clevenger. Our full worship services consist of an inspirational lecture, healing meditation, and messages from the spirit world that serve to demonstrate evidence of eternal life. Please visit our Official Church Website (http://raysoflightchurch.com) for more information.

**The Data-Driven Brand: Using Analytics to Shape Perception** Can you use analytics to improve tacos? This being CBUSDAW, we think the answer is probably “yes”, but we’re not sure how to implement or test this theory. For our April meetup we’ve got Sara Kear, CMO of Condado Tacos, to investigate this delicious question. Sara will explore how she blends quantitative data and qualitative customer feedback to shape brand positioning and drive business decisions. We all know that marketing and analytics go way beyond attribution. Sara will show how Condado uses customer insights to inform product and pricing strategy. She’ll also highlight how Condado leverages customer feedback at scale to influence operational priorities, positioning marketing as the voice of the customer across the organization. In the last 12 years Condado has gone from one location in Columbus to 52 locations across 10 states, so we’re guessing there’s more to that growth than really good guac (though the guac probably helps). Ultimately, this talk focuses on the intersection of art and science—using data to inform creativity and build a brand that resonates with customers in a measurable way. **About Our Speaker** Sara Kear is Chief Marketing Officer at Condado Tacos, where she oversees brand, restaurant design, menu and pricing strategy, off-premise including catering, and customer data strategy. Since joining in 2021, she has helped grow the brand from 19 to 52 locations while building a data-driven marketing organization focused on loyalty and customer insights. Condado has since been named to the Inc. 5000, recognized as Breakout Retailer by Chain Store Age, and consistently ranked among FastCasual’s Top 100 Movers & Shakers. 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)

Ciao a tutt\*! Let's meet Monday at 6.30pm at the Upper Arlington Library (Tremont Branch) in **Meeting Room A** to speak in Italian for 1 hour.

The Fellowship of the Star Schema: Transforming OLTP Data for Power BI One does not simply build reports on OLTP data. Join us on an epic journey from the depths of raw, normalized tables to the shining halls of a well-modeled star schema fit for Power BI greatness. We will demystify the differences between OLTP and OLAP, walk through star schema vs snowflake (and why Power BI has a clear favorite), and show you the compression differences between normalized and columnar storage that will make you never look at an OLTP model the same way again. We will cover the different types of dimensions, when to use them, and how to handle Slowly Changing Dimensions without losing your mind. You will leave knowing exactly how to identify a bad model, how to convert OLTP data into a clean star schema, and how to forge relationships that rule them all. Whether you are a data wizard, a curious hobbit, or somewhere in between, your models will never be the same.

Our monthly PHP meetup. A virtual shindig courtesy of Zoom. Check back here for the details around 6:15 pm

Central Ohio Radio Enthusiasts—CORE—is an informal community for anyone enthusiastic or curious about radio—whether you're new to radio and want to learn or you've been tinkering for years and want to share. Ham radio operators, GMRS users, Meshtastic fans, software-defined radio nerds, makers, and technical and non-technical folks are all welcome. No experience required or expected. This month we have **WiFi HaLow: Introduction and Practical Use** with **Alex Barbur**. Details are are [core.radio](https://core.radio).