Most Active Speakers 2025

Sessionize proudly presents the list of the most active speakers in the year 2025!

  • 1126 speakers
  • Auto-generated
Ana Maria Mihalceanu

Ana Maria Mihalceanu

Ana is a Java Champion Alumni and Senior Developer Advocate for the Java Platform Group at Oracle, with an extensive background in Java and cloud development. More recently, her work has expanded to explore how machine learning and AI can be applied within the Java ecosystem, helping Java developers adopt emerging capabilities while continuing to benefit from the stability, tooling, and performance of the Java Platform. She actively supports the growth of technical communities through knowledge sharing and enjoys curating content for conferences as a program committee member.

Ana is a Java Champion Alumni and Senior Developer Advocate for the Java Platform Group at Oracle, with an extensive background in Java and cloud development. More recently, her work has expanded to explore how machine learning and AI can be applied ... Show more

Roberth Strand

Roberth Strand

Roberth is a self-proclaimed "cloud automator" and "platform creator". He primarily works on building cloud native platforms, while being an advocate for Platform Engineering and DevOps. He has been awarded the title Microsoft Azure MVP and CNCF Ambassador, and previously HashiCorp Ambassador. As an active speaker for several years, he has been on stage everywhere from small local meetups to KubeCon.

Furthermore, he initiated Cloud Native Norway, which hosts events and supports the cloud native community in Norway. Additionally, he is active in the Cloud Native Computing Foundation as maintainer of the OpenGitOps project, previously a co-chair of TAG App Delivery, and founded and lead the Platforms Working Group for several years.

Roberth is a self-proclaimed "cloud automator" and "platform creator". He primarily works on building cloud native platforms, while being an advocate for Platform Engineering and DevOps. He has been awarded the title Microsoft Azure MVP and CNCF Amba... Show more

Matthijs van der Veer

Matthijs van der Veer

Matthijs is a Coding Architect at Xebia. With a strong focus on Azure and AI, he helps clients achieve more on Azure. Matthijs has a passion for creating good work environments, writing great code, and building amazing teams.

Matthijs trained and led teams in different countries. He strongly believes that remote and distributed teams can be just as (or more) effective than sitting in the same old office together. Matthijs received the Microsoft MVP Award for five consecutive years.

Matthijs is a Coding Architect at Xebia. With a strong focus on Azure and AI, he helps clients achieve more on Azure. Matthijs has a passion for creating good work environments, writing great code, and building amazing teams. Matthijs trained and ... Show more

Michael Plettner

Michael Plettner

With more than 2 decades of customer experience, a long history in Microsoft products, Michael is a Cloud Architect who enjoys sharing his experience with the community and help the community grow.
During the last years, Michael was working with customers in Microsoft Teams topics, Microsoft 365 implementations overall and since 2022 he's also working with his customers in different Microsoft Viva projects.
Since more than seven years Michael has its own company, working with the focus on Microsoft topics, Change-Management and Project-Management. He's also a Microsoft MVP for Microsoft 365 Apps and Services since 2021.

With more than 2 decades of customer experience, a long history in Microsoft products, Michael is a Cloud Architect who enjoys sharing his experience with the community and help the community grow. During the last years, Michael was working with cus... Show more

Kim Berg

Kim Berg

I started my career in a service desk role, which quickly sparked my interest in how technology is built, operated, and scaled. From there, I moved into data center hosting where I gained a solid understanding of infrastructure, reliability, and what it takes to keep critical environments running. I don’t have any formal education in IT, but I’ve always been a lifelong learner who grows through curiosity, hands‑on experience, and a drive to constantly improve.

Almost a decade ago, I discovered my passion for the cloud and specialized in Microsoft Azure. Since then, I’ve focused on modern Ops, platform engineering, and enabling teams by taking ideas from early concepts into secure, scalable, production‑ready solutions. Over the years, I’ve expanded my expertise across data, AI, and IoT and IIoT, and I most often work with clients in the role of Solution Architect, helping them design and build practical, outcome‑focused architectures tailored to real enterprise needs.

I’ve worked across a wide range of domains including defense, public sector, manufacturing, and energy, which has shaped how I approach architecture, security, and complex enterprise environments. I also contribute to the open‑source and enjoy collaborating with others to advance how we build and deliver modern solutions.

🗣 Sharing knowledge is a big part of who I am. I’m passionate about public speaking and mentoring, and I enjoy helping others grow by making technology more accessible and actionable.

Today, I work with enterprise‑scale AI, data, and IIoT solutions with large companies, turning ideas into real, measurable impact.

I started my career in a service desk role, which quickly sparked my interest in how technology is built, operated, and scaled. From there, I moved into data center hosting where I gained a solid understanding of infrastructure, reliability, and what... Show more

Bart Wullems

Bart Wullems

Bart is a Solution Architect who turns complex technical challenges into elegant solutions with and without AI. Specializing in evolutionary design, automation, DevOps, and organizational design, he helps organizations build both systems and teams that scale, adapt, and deliver real value.

His mission: proving that great architecture, smart automation, and well-structured teams can solve the world's most pressing problems.

Bart is a Solution Architect who turns complex technical challenges into elegant solutions with and without AI. Specializing in evolutionary design, automation, DevOps, and organizational design, he helps organizations build both systems and teams th... Show more

Adriana Villela

Adriana Villela

Adriana Villela is a blogger, host of the Geeking Out podcast, CNCF Ambassador, OpenTelemetry Community Manager, and maintainer of the OpenTelemetry End User SIG. By day, she focuses on Observability and OpenTelemetry, as a Principal Developer Advocate at Dynatrace. By night, she climbs walls. She also loves capybaras, because they make her happy.

In past lives, Adriana managed both a Platform Engineering team and Observability Practices team at Tucows. She has also worked at various large-scale enterprises as both an individual contributor and leader, including Bank of Montreal, Ceridian, and Accenture.

Adriana Villela is a blogger, host of the Geeking Out podcast, CNCF Ambassador, OpenTelemetry Community Manager, and maintainer of the OpenTelemetry End User SIG. By day, she focuses on Observability and OpenTelemetry, as a Principal Developer Advoca... Show more

Mabrouk Mahdhi

Mabrouk Mahdhi

Mabrouk Mahdhi is the Founder and Managing Director of Prosiria, a technology company focused on building innovative software solutions, developer tools, and cloud-based platforms. A Principal Software Engineer and recognized Microsoft Most Valuable Professional (MVP) in .NET technologies, he specializes in modern software architecture, distributed systems, AI-powered applications, and the Microsoft technology stack.

With extensive experience in ASP.NET Core, Blazor, .NET MAUI, cloud-native development, and enterprise software engineering, Mabrouk helps organizations design and deliver scalable, high-performance solutions that solve real-world business challenges.

Beyond his professional work, he is the founder and organizer of Tunisia Dev Days, one of North Africa's leading software engineering conferences, bringing together developers, architects, Microsoft MVPs, and technology leaders to explore the latest trends in AI, cloud computing, DevOps, and modern software development. He is also a frequent international conference speaker, author, and community leader passionate about empowering developers and fostering innovation across the global technology ecosystem.

Mabrouk Mahdhi is the Founder and Managing Director of Prosiria, a technology company focused on building innovative software solutions, developer tools, and cloud-based platforms. A Principal Software Engineer and recognized Microsoft Most Valuable ... Show more

Hrittik Roy

Hrittik Roy

Hrittik is a Platform Advocate at vCluster Labs and a CNCF Ambassador with expertise in cloud native technologies and open source communities. He has contributed extensively to developer advocacy, technical writing, and community engagement. Hrittik has been a keynote speaker at events such as the MCP Dev Summits and has delivered talks at Kubernetes Community Days, Open Source Summits, and more. He has also served as a Program Committee member for several KubeCons and CloudNativeCons.

Hrittik is a Platform Advocate at vCluster Labs and a CNCF Ambassador with expertise in cloud native technologies and open source communities. He has contributed extensively to developer advocacy, technical writing, and community engagement. Hrittik ... Show more

Julia Kordick

Julia Kordick

Julia is a Software Global Black Belt at Microsoft, helping large-scale organizations accelerate dev workflows through pragmatic, end-to-end platform engineering. With a background as a Software Engineer, Dev Lead, and Cloud Solution Architect, she speaks fluent developer and management—and knows how to bridge the gap without losing either side in translation.

She’s a big-picture thinker who also loves to understand the details. Web and frontend will always have a place in her ❤️.

Outside work, Julia is a gamer, a proud fahrradmaus, and a former quarterback for a women’s American football team (yes, really).

Julia is a Software Global Black Belt at Microsoft, helping large-scale organizations accelerate dev workflows through pragmatic, end-to-end platform engineering. With a background as a Software Engineer, Dev Lead, and Cloud Solution Architect, she s... Show more

Rockford Lhotka

Rockford Lhotka

Rockford Lhotka is VP of Strategy at Xebia. He is the creator of the CSLA .NET and RockBot open-source projects, the author of numerous books, and regularly speaks at major conferences around the world. Rockford is a member of the Microsoft Regional Director and MVP programs. For more information go to https://lhotka.net.

Rockford Lhotka is VP of Strategy at Xebia. He is the creator of the CSLA .NET and RockBot open-source projects, the author of numerous books, and regularly speaks at major conferences around the world. Rockford is a member of the Microsoft Regional ... Show more

Brent Ozar

Brent Ozar

I make Microsoft SQL Server go faster. I love teaching, travel, cars, and laughing. Las Vegas, US. He/him.

I make Microsoft SQL Server go faster. I love teaching, travel, cars, and laughing. Las Vegas, US. He/him. Show more

Alan Cox

Alan Cox

IT Leader, Instructor, and Conference Speaker with decades of experience in Microsoft solutions, currently serving as Director of Microsoft Governance and Microsoft MVP for M365 & Copilot. I'm passionate about leveraging technology to empower organizations, enhance productivity, and promote secure digital transformation. Dedicated to aligning innovative solutions with organizational goals to deliver impactful outcomes.

IT Leader, Instructor, and Conference Speaker with decades of experience in Microsoft solutions, currently serving as Director of Microsoft Governance and Microsoft MVP for M365 & Copilot. I'm passionate about leveraging technology to empower organiz... Show more

Samuel Macharia

Samuel Macharia

Samuel Macharia is a skilled Cloud DevOps Engineer with a passion for leveraging cloud technologies i.e. AWS, Azure & Google Cloud to drive innovation. He holds certifications as a Google Cloud Certified Professional Cloud Architect and Microsoft Certified DevOps Engineer Expert, equipping him to design and manage secure, scalable, and high-performing infrastructure across multi-cloud environments.

Samuel is dedicated to empowering the next generation of tech talent and has served as a mentor in the Grow Your Skills for Sub-Saharan Africa Google Cloud Program 2024. With a focus on practical solutions and a commitment to communities including AWS User Group Kenya, CloudForce Sky, GDG Eldoret & Write the Docs Kenya where he volunteers, Samuel is excited to share his knowledge and inspire others to embrace the power of the cloud.

Coming from a community best known for resilience and entrepreneurial spirit, he opted to code his own path forward. When he's not building in tech, he's exploring new creative endeavors, mastering chess strategies, or immersed in an intense crime drama.

Samuel Macharia is a skilled Cloud DevOps Engineer with a passion for leveraging cloud technologies i.e. AWS, Azure & Google Cloud to drive innovation. He holds certifications as a Google Cloud Certified Professional Cloud Architect and Microsoft Cer... Show more

Abhi Jayanty

Abhi Jayanty

I’m a data analytics enthusiast experienced in working with the Azure data platform and Microsoft Fabric. With multiple Azure and Fabric certifications, I’m passionate about sharing knowledge and love presenting on topics like Kusto, Fabric and how they work with the wider Azure ecosystem. I'm also a part of Redgate's Community Ambassadors programme, helping Redgate to support data community events around the world through speaking and content creation.

Outside of data, I’m an avid fan of football and Formula 1, and I enjoy cooking, whisky, and making plans to travel the world.

I’m a data analytics enthusiast experienced in working with the Azure data platform and Microsoft Fabric. With multiple Azure and Fabric certifications, I’m passionate about sharing knowledge and love presenting on topics like Kusto, Fabric and how t... Show more

Thomas Künneth

Thomas Künneth

Thomas fell in love with Android in 2009. He has been constantly contributing to the community since then. Thomas loves writing books (four titles, 15 editions) and articles. He enjoys speaking at conferences and meetups. Thomas' first encounter with programming was in the era of home computers during the early 1980s. Later came C, Perl and a few more. During the 90s he wrote a bunch of programs for the Atari ST series. The first decade of Thomas' professional career centered around Java Enterprise. Today it’s all things Android and Kotlin.

Thomas fell in love with Android in 2009. He has been constantly contributing to the community since then. Thomas loves writing books (four titles, 15 editions) and articles. He enjoys speaking at conferences and meetups. Thomas' first encounter with... Show more

Vadym Pinchuk

Vadym Pinchuk

Vadym is a Software Development Engineer and Google Developer Expert (GDE) in Flutter & Dart, driven by a dual passion: engineering world-class mobile solutions and elevating the developers around him. His deep expertise and active contributions to the tech ecosystem were formally recognized by Google with the GDE award in 2025.

With a rich background spanning over 8 years in native Android and more than 6 years in cross-platform development with Flutter, Vadym has a proven track record of building high-quality applications. He has partnered with industry giants such as Samsung, Volvo, Instagram, and Sky, as well as numerous dynamic startups, to deliver cutting-edge mobile solutions across a diverse range of sectors.

A true believer in the power of sharing knowledge, Vadym is a powerhouse in the community and a familiar face on the international conference circuit. He is known for bringing vibrant energy to the stage at major events including Droidcon, Fluttercon, FlutterHeroes, and Appdevcon. But his commitment doesn't stop at the podium; he also actively supports events as an MC and stage manager, dedicating his energy to ensuring a smooth and engaging experience for speakers and attendees alike.

At his core, Vadym is on a mission to empower the tech community. He is deeply passionate about developer education and channels this into dedicated mentoring, fostering growth, and helping to build the next generation of tech leaders.

Vadym is a Software Development Engineer and Google Developer Expert (GDE) in Flutter & Dart, driven by a dual passion: engineering world-class mobile solutions and elevating the developers around him. His deep expertise and active contributions to t... Show more

Mihaela Gheorghe-Roman

Mihaela Gheorghe-Roman

Mihaela is a Senior Software Architect at Systematic, Romania, and an Oracle ACE Associate for Java. PhD in Artificial Neural Network algorithms, Associate Lecturer at the University of Cybernetics and Informatics in Bucharest, she is passionate about building production-grade systems and bringing real-world experience to the stage.

In her professional career, spanning over 15 years, she has worked in the telecom and defence domains with a focus on Java, Spring Boot, C, C#, Scala and Angular, and a growing interest in AI systems and agentic architectures.

Outside of tech, she holds a black belt in traditional Jiu-Jitsu, runs marathons, and travels the world whenever she gets the chance.

Mihaela is a Senior Software Architect at Systematic, Romania, and an Oracle ACE Associate for Java. PhD in Artificial Neural Network algorithms, Associate Lecturer at the University of Cybernetics and Informatics in Bucharest, she is passionate abou... Show more

Ashish Jha

Ashish Jha

Ashish Jha is a creative technologist and Solutions Engineer at DevRev, deploying AI support agents into production and working on the line between customer experience and what an agent may do on a person's behalf. Previously he was Okta's first solutions engineer in India, where identity and access management became the other half of the problem. He has built 1,000+ voice applications, founded India's Alexa developer community, and taught voice development for O'Reilly and Educative.

Ashish Jha is a creative technologist and Solutions Engineer at DevRev, deploying AI support agents into production and working on the line between customer experience and what an agent may do on a person's behalf. Previously he was Okta's first solu... Show more

Rajani Ekunde

Rajani Ekunde

Rajani is a DevOps and Senior Software Engineer with over 4 years of experience in cloud infrastructure, automation, and platform engineering. She is a Google Developer Expert (GDE) for Google Cloud, a Docker Captain, and a Women Techmakers (WTM) Ambassador, actively contributing to the global tech community.
Rajani is a frequent speaker at major cloud and DevOps conferences, where she shares practical insights on modern infrastructure and emerging technologies. Passionate about knowledge sharing, Rajani aims to inspire and empower developers to build scalable, reliable systems.

Rajani is a DevOps and Senior Software Engineer with over 4 years of experience in cloud infrastructure, automation, and platform engineering. She is a Google Developer Expert (GDE) for Google Cloud, a Docker Captain, and a Women Techmakers (WTM) Amb... Show more

Riccardo Perico

Riccardo Perico

Back in 2010 I began my career in IT.
After a brief stint as ERP Consultant, I transitioned into Data Realm.

Over the years, I explored the world of data from various perspectives, working both as a DBA and a Analytics & AI Architect.

I'm a Microsoft Certified Professional at different levels in databases, BI and Azure areas.

Microsoft MVP for Data Platform category x5 and Microsoft Fabric Super User x2.

I'm one of the leaders of Power BI User Group in Italy and I'd been speaker during the Power Platform World Tour and Global Power Platform Bootcamp stops in Italy.

You can find me speaking at Azure Saturday, SQL Saturday, Data Saturday, and other community events across Europe.

I served as a technical reviewer for the books “Extending Power BI with Python and R”, "Microsoft Power BI Quick Start Guide" and “Power BI Cookbook, 3rd Edition”.

Last but not least, Hard Rock and Heavy Metal addicted!

Back in 2010 I began my career in IT. After a brief stint as ERP Consultant, I transitioned into Data Realm. Over the years, I explored the world of data from various perspectives, working both as a DBA and a Analytics & AI Architect. I'm a Mi... Show more

Jörgen Nilsson

Jörgen Nilsson

Jorgen is working as a principal consultant at Onevinn in Sweden. He has been working as a consultant since 1993 with a focus on Enterprise Client Management and System Management. Involved in many projects and also a Microsoft Certified Trainer, Microsoft Security MVP and Windows and Devices MVP, deliver training's mostly on Intune and Windows 11. Jörgen is also an appreciated speaker at event like Microsoft Ignite, Microsoft Techdays, Microsoft Management Summit(MMS), TechED, Techorama, TechMentor and Workplace Ninjas.

Jorgen is working as a principal consultant at Onevinn in Sweden. He has been working as a consultant since 1993 with a focus on Enterprise Client Management and System Management. Involved in many projects and also a Microsoft Certified Trainer, Mic... Show more

Loek Duys

Loek Duys

I help organizations design, build, and optimize secure, scalable Microsoft Azure platforms that deliver measurable business results.
For over 20 years, I’ve guided enterprise leaders and product teams through high-stakes cloud adoption, complex migrations, and performance optimization, combining deep technical expertise with a calm, collaborative style that keeps teams focused and projects on track.

My work includes:

- Software development and architecture - building reliable (mission-critical) software
- Technical leadership - leading software teams by example
- Cloud adoption & migration – ensuring smooth transitions with minimal risk
- Cost optimization & performance tuning – making Azure investments more efficient

I’ve been honored with ten consecutive Microsoft MVP awards for my contributions to the global Azure and .NET community. Outside client projects, I speak at international conferences, delivering talks and workshops.
Recent events include VS Live, NDC, Techorama, DevSum Sweden, Future Tech and Update Conf

Now, as founder of LoekD Consultancy BV, I partner with organizations ready to accelerate their Azure or software journey, whether that means starting fresh or unlocking more value from what you already have, accelerated with the power of AI.

Contact me for full projects, workshops or sparring sessions.

Let’s connect:
- LinkedIn: linkedin.com/in/loekd
- GitHub: github.com/loekd
- BlueSky: bsky.app/profile/loekd.com

I help organizations design, build, and optimize secure, scalable Microsoft Azure platforms that deliver measurable business results. For over 20 years, I’ve guided enterprise leaders and product teams through high-stakes cloud adoption, complex mig... Show more

Sohan Maheshwar

Sohan Maheshwar

Sohan is a Lead Developer Advocate at AuthZed, based in the Netherlands. He started his career as a developer building mobile apps and has been living in the cloud since 2013, in companies such as Amazon, Fermyon and Gupshup. He is also an O' Reilly author and an AAIF Ambassador.

His interests outside work include visual arts, trivia, and playing frisbee.

Sohan is a Lead Developer Advocate at AuthZed, based in the Netherlands. He started his career as a developer building mobile apps and has been living in the cloud since 2013, in companies such as Amazon, Fermyon and Gupshup. He is also an O' Reilly ... Show more

Janarthanan Selvaraj

Janarthanan Selvaraj

Janarthanan Selvaraj is a Senior Manager Technology and AI Expert at Atos. He is an alumnus of the University of Cambridge's FUEL Leadership flagship program and a graduate of Anna University. He has been honored with the prestigious Microsoft MVP Award in the AI category, specifically for his expertise in Azure OpenAI Service and Azure AI Services. Janarthanan is also Microsoft Certified Community Lead , a 6-time Microsoft Certified Trainer, a Microsoft Learn Expert in Data and AI, and a C# Corner MVP. His certifications include Microsoft Azure Certified Data Scientist, AI Engineer, Data Engineer, Azure Cosmos DB Developer Specialty, Developer Associate, and Power BI Data Analyst Associate, with a total of 17 cloud certifications spanning Microsoft Azure, AWS, GCP, Oracle, and Aviatrix.

As a resource person, Janarthanan has conducted numerous meetups, workshops, faculty development programs (FDPs), short-term training programs (STTPs), webinars, and knowledge-sharing sessions across organizations and educational institutions. He is an active speaker, mentor, blogger, researcher, and open-source contributor in the fields of AI and cloud computing. His work has been featured in various developer tech communities, conferences, and industry conclaves. Additionally, he serves as a mentor and jury member for events such as the Microsoft Imagine Cup 2025 Hackathon, Smart India Hackathon 2023, the Smart India Hackathon 2024, the Bank of Baroda Hackathon, and the Innothon 24 National Level 30-Hour Hackfest.

Janarthanan Selvaraj is a Senior Manager Technology and AI Expert at Atos. He is an alumnus of the University of Cambridge's FUEL Leadership flagship program and a graduate of Anna University. He has been honored with the prestigious Microsoft MVP Aw... Show more

Riccardo Carlesso

Riccardo Carlesso

Riccardo loves caipirinhas and 🍷 Amarone, playing 🎹 piano and 🏊🏻🚴🏿🏃‍♀️ triathlons; he's been passionate about Maths since he was 4. He's still stubbornly in love with Ruby and Rails.
He lived in Italy -> Ireland -> now set off in Switzerland with his family.

Former network administrator, sysadmin, and Ruby on Rails developer, Riccardo has been in operations for 20+ years and still likes to spend time coding (better if Ruby).
He loves engaging with customers and help them run their operations reliably and successfully in the cloud.
He's the founder and punster-mind behind rubycon.it
He open-sourced the SRE Extension and loves intersecting AI with SRE.

More: https://g.dev/ricc and https://ricc.rocks/

Riccardo loves caipirinhas and 🍷 Amarone, playing 🎹 piano and 🏊🏻🚴🏿🏃‍♀️ triathlons; he's been passionate about Maths since he was 4. He's still stubbornly in love with Ruby and Rails. He lived in Italy -> Ireland -> now set off in Switzerland ... Show more

Juarez Junior

Juarez Junior

• Software and Solutions Architect with more than 20 years of experience designing and implementing enterprise, mission-critical solutions.

• Extensive experience building agents and AI-based solutions with Python using LangChain/LangGraph, Google ADK, Microsoft Agent Framework, and Java using LangChain4J, Spring AI, LangGraph4J, and Tribuo (Machine Learning). Deep knowledge of AI-related concepts, including vector search, RAG workflows, context engineering, SDD, and agentic protocols such as MCP and A2A. Experience with several LLM models and SDKs such as OpenAI, Anthropic, Google Gemini, Cohere, Meta, xAI, NVIDIA and open-source models.

• Certified Java professional with expert-level knowledge and experience in Java, using Spring Boot, Jakarta EE, Hibernate, GraalVM, Micronaut, and Helidon. Front-end (JavaScript, Typescript, React), APIs (GraphQL, REST, JSON, XML), and tools such as VS Code, OpenAI Codex, Cline, and Claude Code. Relational, NoSQL, and vector databases.

• Master’s degree in DevOps, with extensive experience in SRE and IT Infrastructure projects (several awards), Terraform, Ansible, containers, Kubernetes, and cloud using Oracle Cloud, Microsoft Azure, IBM Cloud, AWS, and GCP. Other DevOps-related tools I’ve worked with are GitHub Actions, Azure DevOps, CI/CD, PowerShell, Maven, Gradle, YAML, and Jenkins. Linux, IBM zLinux, AIX, and Windows operating systems.

• I have extensive experience with large enterprise systems and environments with companies like Oracle, Microsoft, IBM, Unisys, Nokia, Accenture, and a few medium-sized companies and startups (two as a founder). I have mastered presenting to technical and non-technical audiences and engaging the C-Level in technology and business transformation journeys.

• From a leadership and management standpoint, I have held senior leadership roles in software engineering and developer relations, focusing on developer audiences, subject-matter experts, customers, and business partners. I have also served as a mentor for Microsoft for Startups, working with startup founders, accelerators, incubators, mentors, and venture capitalists.

• I have received many awards, such as Oracle Customer Excellence 2025, Oracle ACE Mentor 2022, IBM Technical RockStar for Cloud, IBM Redbooks Thought Leader and Evangelist for IBM Mobile, Nokia Developer Champion, IBM Manager’s Choice Award, Superior Community Service Contributions—Forum Nokia Wiki, IBM Hall of Fame Awards, IBM Common Development and Test Outstanding Contribution Awards, and IBM Mobile Enterprise Social Media Residency Outstanding Contributor.

https://linktr.ee/juarezjunior

• Software and Solutions Architect with more than 20 years of experience designing and implementing enterprise, mission-critical solutions. • Extensive experience building agents and AI-based solutions with Python using LangChain/LangGraph, Google... Show more

Diego Rodríguez Varela

Diego Rodríguez Varela

I am currently a Microsoft MVP (Developer Security) and Software Developer Engineer at Plain Concepts. Over the past 2 years I have had the privilege of speaking in more than 10 events for both Microsoft and Google communities.

In general, I am interested in exploring the methodologies and technologies that allow us to achieve secure systems, and how we can apply these principles in organizations of different sizes. That translates lately into: failsafe use of Generative AI Tools, K8S security, Frontend & Backend frameworks and even Webauthn authentication.

Besides software development, I am passionate about sports, motorbikes and, when I have enough time, travelling.

I am currently a Microsoft MVP (Developer Security) and Software Developer Engineer at Plain Concepts. Over the past 2 years I have had the privilege of speaking in more than 10 events for both Microsoft and Google communities. In general, I am in... Show more

Sebastian Sieber

Sebastian Sieber

For the past decade, Sebastian has been a member of the ISV Solutions team at proMX AG. During this time, proMX’s project and resource management tool, proRM Fast Start, has won numerous awards. Sebastian was one of proMX’s liaisons to Microsoft’s Dynamics 365 Project Operations development team, thus gaining exceptionally thorough knowledge of the product almost since its first release. He has proven his Power Platform expertise in several successful implementation projects for proMX's international customers.

In addition to his technical leadership, Sebastian now also orchestrates proMX’s AI and Innovation investments, identifying cutting-edge technologies and turning them into real-world solutions for business impact. His unique blend of hands-on product experience and strategic foresight makes him a preferred speaker at industry events.

For the past decade, Sebastian has been a member of the ISV Solutions team at proMX AG. During this time, proMX’s project and resource management tool, proRM Fast Start, has won numerous awards. Sebastian was one of proMX’s liaisons to Microsoft’s Dy... Show more

Prashant G Bhoyar

Prashant G Bhoyar

Prashant G Bhoyar is an Enterprise AI Architect and AI strategy, engineering, and adoption leader with more than 20 years of experience delivering enterprise technology solutions across artificial intelligence, cloud, automation, and the Microsoft ecosystem.

As an AI Architect, Prashant serves as a trusted advisor to executives, technology leaders, architects, and delivery teams. He helps organizations move AI initiatives from business vision and technical discovery through architecture, rapid prototyping, governance, implementation planning, production readiness, and enterprise adoption.

Prashant specializes in agentic AI, multi-agent systems, retrieval-augmented generation, AI assistants, model evaluation, Responsible AI, and enterprise integration using Microsoft Foundry, Microsoft Agent Framework, Copilot Studio, Microsoft Fabric, Microsoft 365 Copilot, Azure AI, LangChain, Python, C#, Azure Functions, Logic Apps, Microsoft Graph, Dataverse, and Power Platform.

His approach combines enterprise architecture with forward-deployed AI engineering. He works closely with customer and delivery teams to understand complex business processes, validate solutions rapidly, remove technical blockers, translate field insights into reusable architectures, and accelerate the journey from prototype to secure, scalable production implementation.

Prashant founded the Northern Virginia AI/ML User Group and leads monthly community programs focused on artificial intelligence, machine learning, AI agents, advanced prompt engineering, Microsoft Foundry, Copilot Studio, and Microsoft Fabric. He has designed and delivered executive briefings, conference sessions, technical demonstrations, hands-on labs, and workshops for more than 400 developers, architects, technology leaders, and business users.

He is a Microsoft Artificial Intelligence and Business Applications MVP for 10 consecutive years, a Microsoft Certified Trainer, co-author of “PowerShell for Office 365,” and a recipient of the Antarctic Service Medal of the United States of America. He has presented at Microsoft Build, Microsoft AI Tour, Global AI Bootcamp, and major technology conferences around the world.

Prashant is available for keynote presentations, conference sessions, executive briefings, enterprise AI architecture workshops, forward-deployed AI engineering advisory, and hands-on training on Microsoft AI technologies.

Prashant G Bhoyar is an Enterprise AI Architect and AI strategy, engineering, and adoption leader with more than 20 years of experience delivering enterprise technology solutions across artificial intelligence, cloud, automation, and the Microsoft ec... Show more

Please note that Sessionize is not responsible for the accuracy or validity of the data provided by speakers.

Most Active Speakers 2025

Every year, we put together a list of the most active speakers. This list features the top 3% of speakers who have participated in events using Sessionize during the 2025.

The 3% is calculated from the pool of all speakers that have at least one accepted session in year 2025. We don't include inactive speakers or speakers that had no accepted sessions during the year. There are around 39,000 unique accepted speakers this year, the 3% is 1163. Not all of them have their speaker profiles set as public, and we respect that, so the list doesn't show all of them.

The calculation is based on the number of accepted events, that's the main criteria, but to get more refined results we also look at things like multiple sessions per event, sharing a session with a co-speaker and how big the event is. Number of submissions and declined sessions don't affect the list.

Please note that the count of events and sessions in this list does not represent the number of events and sessions from the year 2025. Instead, it shows the number of events and sessions featured on the speaker's public speaker profile; these numbers have nothing to do with the award itself.