Steve Yonkeu is a backend software engineer dedicated to delivering excellence in architecture, performance, and modularity. For over 5 years he has been leading teams and projects and open source communities worldwide. Steve is also the founder of Django Cameroon and Python Cameroon communities today. He is also an organizer at PyCon Africa and speaker at PyConUS.

Steve Yonkeu is a backend software engineer dedicated to delivering excellence in architecture, performance, and modularity. For over 5 years he has been leading teams and projects and open source communities worldwide. Steve is also the founder of D... Show more

When I was young I wanted to be an architect. As it turns out, I'm a different type of architect. I am a Microsoft 365 Solutions Architect.

When I was young I wanted to be an architect. As it turns out, I'm a different type of architect. I am a Microsoft 365 Solutions Architect. Show more

As a Microsoft MVP and Principal AI Architect, I lead a transformative wave, evangelizing AI agents and Low-Code solutions to help organizations achieve high-value business transformation. With over 20 years of experience in this role, I have successfully designed and implemented integrated enterprise solutions that leverage AI Factory, AI/Copilot, Power Platform, Dataverse, Microsoft 365, SharePoint, and Azure technologies.

My passion is to support business visionaries in achieving significant and sustainable results by applying my expertise in Artificial Intelligence, Adoption and Change Management, Enterprise Architecture, Cloud Services, and Low-Code Solutions. I also enjoy giving back to the community as an organizer of the Global AI St. Louis Chapter. I hold multiple awards/certifications, including Microsoft MVP and Microsoft Certified Trainer (MCT). CPMAI (Cognitive Project Management for AI), Project Management Professional (PMP), Advanced Project Management, Microsoft Certified Professional.

As a Microsoft MVP and Principal AI Architect, I lead a transformative wave, evangelizing AI agents and Low-Code solutions to help organizations achieve high-value business transformation. With over 20 years of experience in this role, I have success... Show more

Angel Ramirez is a technology leader and entrepreneur with expertise in software product development, cloud-native technologies, and Kubernetes (Kubestronaut). As CEO of Cuemby, he develops innovative solutions that align technical concepts with business goals. A CNCF and TODO OSPO Ambassador, Angel is recognized for his public speaking abilities, making complex ideas easy to understand. His approach integrates technology and business strategy, helping organizations achieve scalable solutions while fostering ongoing learning and community engagement.

Angel Ramirez is a technology leader and entrepreneur with expertise in software product development, cloud-native technologies, and Kubernetes (Kubestronaut). As CEO of Cuemby, he develops innovative solutions that align technical concepts with busi... Show more

I am a software architect and developer. I love to work on open source projects, producing articles, videos and giving talks on software development.

I'm the lead developer of the ABP framework (see https://github.com/abpframework/abp and https://abp.io/)

I'm mostly interested in developing reusable frameworks & libraries, distributed systems, multi-threaded and scalable solutions. I'm talking at local and international conferences about multi-tenancy, microservice architecture, domain-driven design, modular systems and developer tools.

Visit my website to see a list of my previous talks: https://halilibrahimkalkan.com

I am a software architect and developer. I love to work on open source projects, producing articles, videos and giving talks on software development. I'm the lead developer of the ABP framework (see https://github.com/abpframework/abp and https://... Show more

My mantra? Collaborative working and the productivity of organisations should constantly be facilitated and improved, without compromising the confidentiality and integrity of data.

As a Security MVP and Microsoft Certified Trainer, I'm passionate about sharing my advice and experience with you to build a solution that meets your needs.

My mantra? Collaborative working and the productivity of organisations should constantly be facilitated and improved, without compromising the confidentiality and integrity of data. As a Security MVP and Microsoft Certified Trainer, I'm passionate... Show more

I help teams release faster and with more confidence — through open standards, feature flagging, and the communities that make both possible.

I am a software engineer and CNCF Ambassador based in Austria, and a maintainer of OpenFeature — the CNCF vendor-neutral standard for feature flagging. I contribute across the full organisation in Java, Python, Go, and JavaScript, spanning the open standard itself, testing automation across a polyglot environment, and guiding teams and individuals in adopting OpenFeature in production.

I am passionate about developer experience, open standards, and building communities where people help each other grow. I regularly speak at conferences and mentor individuals taking their first steps in the open source world.

Open to conversations about open source, feature flagging, observability, and what comes next.

I help teams release faster and with more confidence — through open standards, feature flagging, and the communities that make both possible. I am a software engineer and CNCF Ambassador based in Austria, and a maintainer of OpenFeature — the CNCF... Show more

Valarie Regas is a DevOps fanatic, a Georgia Tech coding bootcamp graduate, and a veteran mommy. She holds a BA in Psychology and currently works in Computer Science education. After years being a stay-at-home mom, she decided to change her life by entering tech, and has learned a lot along the way. Outside of work, she enjoys mixed martial arts fighting, table-top role playing games, public speaking, creating tiny humans, and activism of all sorts.

Valarie Regas is a DevOps fanatic, a Georgia Tech coding bootcamp graduate, and a veteran mommy. She holds a BA in Psychology and currently works in Computer Science education. After years being a stay-at-home mom, she decided to change her life by e... Show more

Bas founded Kimura and is an experienced Data Solution Architect with over 12 years as a consultant in various technologies, currently focusing on Microsoft Fabric.

He speaks, creates YouTube videos, and blogs about these experiences to share his knowledge with the community.

He holds a Microsoft Dataplatform MVP award and is a Microsoft Certified Trainer.

In his spare time he likes to practice sports (Brazilian jiu-jitsu, running, weight lifting) and also to travel with his wife, son, and their dachshund Chester.

Bas founded Kimura and is an experienced Data Solution Architect with over 12 years as a consultant in various technologies, currently focusing on Microsoft Fabric. He speaks, creates YouTube videos, and blogs about these experiences to share his... Show more

Pragati Jain is a Microsoft Data Platform MVP, Microsoft Certified trainer (MCT) and a certified Microsoft Fabric Analytics Engineer (DP-600) based in London, UK.
As a Fabric Consultant, she specialises in end-to-end Microsoft Fabric implementations - designing Fabric architecture, migrating organisations from Power BI to Fabric and advising clients on Fabric strategy.
Her hands-on expertise spans Fabric Lakehouse, Fabric Data Engineering, Fabric Notebooks, Fabric Pipelines, Data Factory, Dataflow Gen2, Real-Time Analytics (KQL) and Semantic Models with Direct Lake - alongside Power BI, Tableau, PySpark and SQL.
A recognised Superuser in the Microsoft Fabric Community, she has delivered sessions at flagship events including the Microsoft Fabric Community Conference, PASS Data Summit, SQLBits, Power Platform Conference and Microsoft Reactor, earning the Sessionize Most Active Speaker badge four years running (2022–2025).
Beyond tech, she's a trained Indian classical singer, painter and hiking enthusiast.

Pragati Jain is a Microsoft Data Platform MVP, Microsoft Certified trainer (MCT) and a certified Microsoft Fabric Analytics Engineer (DP-600) based in London, UK. As a Fabric Consultant, she specialises in end-to-end Microsoft Fabric implementation... Show more

As a Microsoft 365 Modern Workplace consultant I help customers implement modern workplace solutions based on top of their Microsoft 365 licensing, leveraging products like Microsoft Intune, Microsoft Entra, Microsoft Defender, Exchange Online, Microsoft Teams, Microsoft SharePoint and Microsoft Purview. I constantly build solutions which span these products, taking into account Security, Usability and Manageability as main pillars.

Currently I'm also responsible for the delivery of Secure At Work, a product which can automatically provision Microsoft 365 tenants with best practices configuration and once onboarded keeps customers up to date by using regular releases. Each release adds or updates functionality in Microsoft 365 environments based on best practices and lessons learned from implementation feedback. The Secure At Work solution is already running om more than 10K endpoints, making it proven solution and able to cover 80% of business requirements.

With more than 25 years of experience in IT, I managed to get myself Microsoft certified in 1998, eventually becoming a Microsoft Certified Trainer (MCT), en ultimately receiving my first Microsoft MVP award in 2010. Currently I am a proud dual Microsoft MVP for Microsoft Intune and Identity and Access.

In the past I have worked with many products in the Microsoft infrastructure space, like SMS/System Center Configuration Manager, Active Directory, Virtualization (both VMware as Hyper-V), System Center products like SCOM, SCSM, SCVMM, SCDPM among others.

Kenneth regularly shares his knowledge by blogging at https://www.vansurksum.com and by speaking on national and international events.

As a Microsoft 365 Modern Workplace consultant I help customers implement modern workplace solutions based on top of their Microsoft 365 licensing, leveraging products like Microsoft Intune, Microsoft Entra, Microsoft Defender, Exchange Online, Micro... Show more

Massimo Bonanni is a Senior Technical Trainer, international speaker, and community leader passionate about Azure and developer technologies. A six-time Microsoft MVP in Windows and Developer Tools, as well as an Intel Black Belt and Software Innovator, he has delivered more than 200 technical sessions over the last decade. He loves turning complex topics into clear, practical, and engaging learning experiences — ideally with demos, real-world examples, and at least one nerdy joke. When he is off stage, you will likely find him reading or building LEGO sets.

Massimo Bonanni is a Senior Technical Trainer, international speaker, and community leader passionate about Azure and developer technologies. A six-time Microsoft MVP in Windows and Developer Tools, as well as an Intel Black Belt and Software Innovat... Show more

I am an a Microsoft MVP and workplace architect who specializes in Intune and modern workplace solutions for medium to large enterprises. Passionate about learning and sharing knowledge, Speaks at conferences around the world, aiming to deliver sessions that inspire and encourage meaningful discussions. Outside of work, rocks out to the favorite bands and crushes functional fitness challenges—because who says IT pros can’t be hardcore in every sense?

I am an a Microsoft MVP and workplace architect who specializes in Intune and modern workplace solutions for medium to large enterprises. Passionate about learning and sharing knowledge, Speaks at conferences around the world, aiming to deliver sessi... Show more

With over a decade in the Android world, I’ve lived the fast-paced startup life in California before returning to France. Today, I’m leading and managing the Android team at Aircall, where we're building the best phone system for modern businesses.

Beyond Android, I’m passionate about backend development with Kotlin and exploring the possibilities of AR/VR. In 2021, I was honored to become an Android GDE—continuing my mission to share knowledge and grow alongside the amazing Android community.

Outside of work, you’ll find me traveling the globe or on the hunt for the perfect IPA.

With over a decade in the Android world, I’ve lived the fast-paced startup life in California before returning to France. Today, I’m leading and managing the Android team at Aircall, where we're building the best phone system for modern businesses. ... Show more

Robb is a 28-year veteran of the Navision, NAV, and BC world.
He is a Microsoft MVP, an MCT, MCP, and a nonpracticing CPA.
He has spoken at Convergence, Directions NA, Directions EMEA, Days of Knowledge, and multiple User Group Conferences.

Robb is a 28-year veteran of the Navision, NAV, and BC world. He is a Microsoft MVP, an MCT, MCP, and a nonpracticing CPA. He has spoken at Convergence, Directions NA, Directions EMEA, Days of Knowledge, and multiple User Group Conferences. Show more

Olivier Van Steenlandt is a Business Intelligence Professional who spent most of his early career assisting retail companies to get more value of their data using the Microsoft BI Stack (SSIS, SSAS, SSRS, Power BI).

As his first experience in the field (in Business Intelligence), Olivier worked as a Big Data Analyst using tools such as Hadoop and Spark.

In 2015 the focus changed to traditional data warehousing & reporting using SSIS, SSRS & MicroStrategy. A bit later, around June 2019, the opportunity arose to fill the position of BI Teamlead. In this function he was able to set up a hybrid BI Team (team members in Belgium and Belarus).

Early 2020, Olivier joined the dataMinds crew as a core member, assisting to organise several events.

Around April 2021, Olivier started a new position as BI Teamlead in another Retail Company to support business growth. Besides the challenge to help the BI Team grow and deliver projects on time, he started to use SSAS & Power BI.

In April 2025, Olivier stepped away from internal positions and became an independent consultant.

When Olivier is not working there is a high chance that you find him on a football field, studying (BI Related), playing music (Saxophone / Piano) or cooking.

Olivier Van Steenlandt is a Business Intelligence Professional who spent most of his early career assisting retail companies to get more value of their data using the Microsoft BI Stack (SSIS, SSAS, SSRS, Power BI). As his first experience in the ... Show more

Gregor Reimling is a Microsoft MVP in Azure and Security, and Chief Azure Technologist at adesso SE. He leads technical strategy and implementation for Azure, focusing on enterprise-scale architectures, cloud security, governance, hybrid environments, and migration.
Gregor is a passionate community advocate, regularly speaking at international Microsoft and community conferences. He runs a popular Azure blog and co-hosts the Cloud Inspires podcast. He is the founder of the Azure Bonn Meetup, a thriving user group with over 1,000 members, and co-founder of the Cloud Identity Summit, an annual event focused on identity and security.
As a Microsoft Certified Trainer, Gregor empowers professionals through hands-on training and mentorship, helping organisations maximise their cloud potential.

Gregor Reimling is a Microsoft MVP in Azure and Security, and Chief Azure Technologist at adesso SE. He leads technical strategy and implementation for Azure, focusing on enterprise-scale architectures, cloud security, governance, hybrid environments... Show more

Clemens Vasters is Lead Architect in Microsoft’s Azure Messaging team that builds and operates a fleet of hyper-scale messaging services, including Event Grid, Service Bus, Event Hubs, Stream Analytics and Microsoft Fabric Eventstreams. Clemens represents Microsoft in messaging standardisation in OASIS (AMQP, MQTT) and CNCF (CloudEvents, xRegistry) and writes too much code for being an "Architect". He looks back at nearly 30 years in professional software development and has seen the same fashion come and go a few times.

Clemens Vasters is Lead Architect in Microsoft’s Azure Messaging team that builds and operates a fleet of hyper-scale messaging services, including Event Grid, Service Bus, Event Hubs, Stream Analytics and Microsoft Fabric Eventstreams. Clemens repre... Show more

Giuliano Latini dal 1991 lavora presso l'Università Politecnica delle Marche. Durante tutti gli anni '90 si concentra sull'elaborazione di segnali digitali e software per la gestione automatica di banchi per misure elettriche: coadiuvando l'attività di gruppi di ricerca e diffondendo le conoscenze acquisite con seminari ed esercitazioni pratiche svolte all'interno di corsi universitari. All'inizio del nuovo millennio focalizza la propria attività sull'allestimento e la gestione di servizi dipartimentali e per l'Ateneo, concentrandosi sull'integrazione dei servizi di autenticazione Microsoft con soluzioni Open Source.
Dal 2016, raggiunti i limiti di carriera nel proprio ruolo, cerca nuove sfide ed esperienza professionali. Lavora 10 mesi presso la Innoteam di Pesaro in cui matura esperienze nel mondo ICT delle PMI e nel cloud AWS. Da Giugno 2017 reintra nel mondo della PA italiana uscendone ad Agosto 2021 per cercare nuovi stimoli e traguardi professionali. A Settembre 2021 entra in una giovane e dinamica azienda che si occupa dello sviluppo di prodotti software, la Proximo di Castelfidardo, contribuendo con la propria esperienza nella gestione dei sistemi, delle infrastrutture IT e con la sensibilità maturata nell'approfondimento delle tematiche presenti nella cultura DevOps.

In questi ultimi anni organizza e partecipa a molti eventi per la diffusione dell'Information Technology. Partecipa attivamente nelle community: WindowServer.it, DevMarche, GetLatestVersion.

Giuliano Latini dal 1991 lavora presso l'Università Politecnica delle Marche. Durante tutti gli anni '90 si concentra sull'elaborazione di segnali digitali e software per la gestione automatica di banchi per misure elettriche: coadiuvando l'attività ... Show more

Joseph is a leading voice in cybersecurity and AI, developing software and content that shape how developers build securely. His open source game gh.io/scg has helped 10K+ developers gain future-proof security skills. His videos, with 2.8M+ views, simplify complex security topics and deliver actionable tips to a global audience. As a speaker, Joseph has delivered 68 talks across 25 countries over the past four years, captivating audiences with his insights and energetic stage presence.

Joseph is a leading voice in cybersecurity and AI, developing software and content that shape how developers build securely. His open source game gh.io/scg has helped 10K+ developers gain future-proof security skills. His videos, with 2.8M+ views, si... Show more

Chris Woodruff, also known as Woody, is an Independent Consultant and brings nearly three decades of industry expertise, having launched his career before the first .COM boom. Renowned for his contributions to software development and architecture, Woody is a regular speaker at international conferences, where he shares his deep knowledge on topics ranging from database development to APIs and web technologies. He is a Microsoft MVP in .NET and Web Development.

A dedicated mentor, Woody thrives on guiding fellow developers and enhancing their skills through his talks, written work, and digital content. He co-hosts the popular "Breakpoint Show" podcast and YouTube channel, which he uses to connect with and educate the tech community. He is also writing a book covering network programming with C# and .NET.

Woody's interests extend beyond his professional life, adding a personal touch to his character. He is a passionate bourbon enthusiast, often embarking on adventures along the Bourbon Trail in search of unique finds to savor and share with friends. Family time is a cherished part of his life, and he often shares insights from his professional journey on his blog at https://woodruff.dev. To stay updated on his latest projects and adventures, follow him on Twitter at @cwoodruff and Mastodon at https://mastodon.social/@cwoodruff, where he shares his thoughts and experiences, fostering a sense of connection with his audience.

Chris Woodruff, also known as Woody, is an Independent Consultant and brings nearly three decades of industry expertise, having launched his career before the first .COM boom. Renowned for his contributions to software development and architecture, W... Show more

Hi! I’m a frontend developer with a long-standing love affair with JavaScript, CSS, and the magic they bring to the web.
My journey started back in the jQuery era, when Chrome was just a baby—and I’ve been hooked ever since! I thrive on building snappy, interactive experiences and exploring the endless possibilities of the modern web.

Hi! I’m a frontend developer with a long-standing love affair with JavaScript, CSS, and the magic they bring to the web. My journey started back in the jQuery era, when Chrome was just a baby—and I’ve been hooked ever since! I thrive on building sna... Show more

Neil McLoughlin is a seasoned IT professional with over 20 years of experience, specializing in cloud-based Virtual Desktop Infrastructure (VDI) solutions. As a dedicated Microsoft MVP, Neil focuses primarily on Azure Virtual Desktop and Windows 365, sharing his expertise through engaging content on YouTube. In addition to his work in the field, he leads the EUC Forum user group in the UK, fostering a community of end-user computing enthusiasts.

Neil McLoughlin is a seasoned IT professional with over 20 years of experience, specializing in cloud-based Virtual Desktop Infrastructure (VDI) solutions. As a dedicated Microsoft MVP, Neil focuses primarily on Azure Virtual Desktop and Windows 365,... Show more

My aim is to guide self-service Power BI developers for more enterprise manageable concepts in a consumable and practical way - because I have been on that journey for years, and still is..

Microsoft Data Platform MVP, MCT, Certified Tabular Editor 3 Trainer, DP-600, DP-700, PL-300, CPUX-F, PL-900, Databricks Data Analyst

My aim is to guide self-service Power BI developers for more enterprise manageable concepts in a consumable and practical way - because I have been on that journey for years, and still is.. Microsoft Data Platform MVP, MCT, Certified Tabular Edit... Show more

Michael Heath is an innovation strategist and Frontier Firm advisor who helps organizations move beyond digital transformation into intelligent transformation. With more than 15 years of experience across the Microsoft ecosystem and enterprise technology, Michael partners with leaders to align people, platforms, and purpose through AI, automation, and data.

Throughout his career, Michael has led enterprise initiatives that drive measurable growth, operational efficiency, and long-term adoption. His work focuses on translating strategy into practical execution, helping organizations modernize how work gets done while bringing teams along for the journey.

Michael’s perspective sits at the intersection of technology and human behavior. As a speaker and practitioner, he shares real-world lessons, practical frameworks, and honest insights that help organizations move from experimentation to meaningful impact at scale.

Michael Heath is an innovation strategist and Frontier Firm advisor who helps organizations move beyond digital transformation into intelligent transformation. With more than 15 years of experience across the Microsoft ecosystem and enterprise techno... Show more

Alberto Acerbis is a hands-on software architect with a strong background in distributed systems. Recognized as a Microsoft MVP in .NET technologies, he actively contributes to the tech community.
In his role, Alberto helps customers transform their ideas into robust and scalable solutions. Beyond his professional work, he is a passionate technical speaker, having delivered numerous sessions at conferences over the years.
His dedication to knowledge-sharing extends to the communities he has founded and actively participates in, fostering collaboration and continuous learning in the tech ecosystem.
Outside of technology, Alberto enjoys mountain activities in all seasons and has a keen interest in philosophy and other disciplines beyond the tech world.

Alberto Acerbis is a hands-on software architect with a strong background in distributed systems. Recognized as a Microsoft MVP in .NET technologies, he actively contributes to the tech community. In his role, Alberto helps customers transform their... Show more

My name is Joery Van den Bosch, and I am currently working as a Modern Workplace Architect at Arxus (part of the Cronos Group), voted Microsoft Cloud Partner of the Year 2022 and again in 2023, also Arxus won Microsoft Partner of the Year Western Europe. The Azure Expert MSP Gold label is also one of Arxus’ achievements. With a deep-rooted passion for IT, I find myself constantly immersed in the ever-evolving world of technology. I Also have been rewarded with the Microsoft Most Valuable Professional Award.
In addition to my professional endeavors and personal interests, I take great pride in being a source of information and knowledge for the community. I believe in the power of sharing insights and helping others navigate the complex world of technology.

With my role as a Modern Workplace Architect, I strive to stay updated with the latest advancements and trends in the IT industry. This allows me to gather valuable information and insights that I can readily share with my colleagues, clients, and the wider community. Whether it’s through writing articles, delivering presentations, or participating in tech forums, I actively contribute to the dissemination of information. I believe in empowering individuals and organizations by providing them with the tools and knowledge they need to make informed decisions and achieve their goals. I am always eager to engage in meaningful conversations and discussions, exchanging ideas and collaborating with like-minded individuals. By fostering a spirit of learning and sharing, I aim to create an environment where everyone can benefit from the collective wisdom and expertise of the community.

My name is Joery Van den Bosch, and I am currently working as a Modern Workplace Architect at Arxus (part of the Cronos Group), voted Microsoft Cloud Partner of the Year 2022 and again in 2023, also Arxus won Microsoft Partner of the Year Western Eur... Show more

Ed Pollack is a Microsoft Data Platform MVP with a passion for learning how Data Platforms work and sharing that knowledge with the community. His experiences in data architecture, database design, performance optimization, and security are motivation for public speaking, writing, coding, and other community activities.

Ed has spoken at SQL Saturday events, SQL Bits, PASS Summit, EightKB, and many other regional and international events. Ed is the organizer of the Capital Area SQL Server Group and Day of Data Albany, as well as a co-organizer of SQL Saturday New York City. He has published a number of books, including "Dynamic SQL: Applications, Performance, and Security in Microsoft SQL Server", "Expert Performance Indexing in Azure SQL and SQL Server 2022", and "Analytics Optimization with Columnstore Indexes in Microsoft SQL Server: Optimizing OLAP Workloads". Ed is also an active contributor of content to SimpleTalk.

In his free time, Ed enjoys video games, traveling, cooking exceptionally spicy foods, and hanging out with his amazing wife and sons.

Ed Pollack is a Microsoft Data Platform MVP with a passion for learning how Data Platforms work and sharing that knowledge with the community. His experiences in data architecture, database design, performance optimization, and security are motivati... Show more

I'm part of the team of experts at Proximo 3, a specialist Microsoft consulting company. Our team provides consultancy and advice on Dynamics 365 CRM and Power Platform projects. I'm a passionate believer in applying change management to CRM projects and a certified Prosci practitioner.

I've been a Microsoft Business Applications MVP, specialising in Dynamics 365 and Power Platform, since 2017.

I'm part of the team of experts at Proximo 3, a specialist Microsoft consulting company. Our team provides consultancy and advice on Dynamics 365 CRM and Power Platform projects. I'm a passionate believer in applying change management to CRM projects... Show more

I started my Collaboration journey by anticipating the release of SharePoint Server 2001 and was updated with an invitation to be an MVP. I tell stories from experience and real-world examples of how we implement M365, PowerPoint and AI Solutions across the Microsoft Landscape.

With a background in Stand-up comedy and 20+ years of experience moving people to collaborative working. My stories have helped people and business identify the value they can bring to their organisations.

Delivering MS Teams & SharePoint Change to companies like Heineken, US Army, Atlas Copco, Ford Motor Co. and Euroclear Bank. I now head up the Infrastructure Services team at Lineas NV Belgium.

I started my Collaboration journey by anticipating the release of SharePoint Server 2001 and was updated with an invitation to be an MVP. I tell stories from experience and real-world examples of how we implement M365, PowerPoint and AI Solutions acr... Show more