Most Active Speakers 2025

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

  • 1125 speakers
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Manuel Flores

Manuel Flores

Experto en ciberseguridad con amplia experiencia en pentesting, seguridad aplicativa, Red Team, Blue Team y ciberinteligencia, principalmente en los sectores de banca y telecomunicaciones. Cuenta con certificaciones avanzadas como CPTS, CRTP, eCPPT, eMAPT, eWPTX y CEH Master.

Actualmente trabaja en el Banco Central de Reserva del Perú, donde participa en la implementación de estrategias de defensa y en la ejecución de pruebas de penetración sobre sistemas críticos. Es instructor de Ciberseguridad en la Universidad Nacional de Ingeniería, y es conferencista en diversos eventos y comunidades de ciberseguridad en América Latina, incluyendo Argentina, México y Colombia, además de capacitaciones técnicas dirigidas a cuerpos policiales.

Es fundador de la comunidad CFC Security, iniciativa enfocada en la investigación, formación y difusión de conocimientos en seguridad ofensiva y defensiva. Asimismo, comparte contenido técnico y educativo a través de su canal de YouTube: https://www.youtube.com/@mr.leunam

Experto en ciberseguridad con amplia experiencia en pentesting, seguridad aplicativa, Red Team, Blue Team y ciberinteligencia, principalmente en los sectores de banca y telecomunicaciones. Cuenta con certificaciones avanzadas como CPTS, CRTP, eCPPT, ... Show more

Oskari Heikkinen

Oskari Heikkinen

Oskari has over a decade of experience in using Azure for data analytics at scale. He has been designing and implementing numerous projects for some of the largest companies in the Nordics. As a Microsoft Certified Trainer (MCT), Oskari conducts classes for subject-matter experts and consultants and provides external customer training sessions. He is also an active speaker at community events. Oskari has been honored with the Microsoft Most Valuable Professional (MVP) award in the Data Platform category six times. Additionally, he is certified as an Azure Solutions Architect, Fabric Analytics Engineer, and Azure Data Engineer.

Oskari has over a decade of experience in using Azure for data analytics at scale. He has been designing and implementing numerous projects for some of the largest companies in the Nordics. As a Microsoft Certified Trainer (MCT), Oskari conducts clas... Show more

Anders Norås

Anders Norås

Anders Norås started out in arts and design, but for the last 25 years he has been creating magic with code instead of paint. Blending creativity with technical skill, he brings a perspective on technology that is as much about people as it is about software.

He has given more than 100 talks at conferences around the world. His presentations are not just lectures, they are experiences. With a sharp delivery and high energy, Anders turns even dry technical material into something lively, memorable and often funny.

Whether you are into computer science, design, media or anything else, Anders offers insights that will make you think and probably make you laugh. He does not just talk about technology. He brings it to life.

Anders Norås started out in arts and design, but for the last 25 years he has been creating magic with code instead of paint. Blending creativity with technical skill, he brings a perspective on technology that is as much about people as it is about ... Show more

Gwénaëlle Hirrien

Gwénaëlle Hirrien

After an atypical career in law, the arts and video games, I chose to retrain in development. My desire to promote continuous improvement and communication led me to become a Scrum Master, Agile Coach, Systemic Professional Coach and Responsible Digital Lead. As a professional facilitator for the Fresque du Climat et du Numérique, I am constantly learning about the ecological transition, responsible digital technologies and sociology. Involved in Time For The Planet and supporting women in the digital world. As a theater practitioner, I find it a way of creatively exploring and communicating. What drives me: helping companies and individuals to integrate climate and social issues into their practices.

After an atypical career in law, the arts and video games, I chose to retrain in development. My desire to promote continuous improvement and communication led me to become a Scrum Master, Agile Coach, Systemic Professional Coach and Responsible Digi... Show more

Daniel Rohregger

Daniel Rohregger

Daniel is a international Speaker covering topic all around Microsoft 365. With a big focus on Copilot, Adoption and Modern Workplace he loves what he does. With large to medium Enterprises from EMEA he get's experience from the real world and combines that with the passion for technology.

💼 M365 Copilot MVP
💼 AI, Hybrid Work, Teams and Modern Work-Freak
💼 Speaker and Instructor for Microsoft 365 Services
🎓 Certified ScrumMaster, Bachelor Professional for Project Organisation (CCI)

🌇 Regensburg, Germany near Munich area

Daniel is a international Speaker covering topic all around Microsoft 365. With a big focus on Copilot, Adoption and Modern Workplace he loves what he does. With large to medium Enterprises from EMEA he get's experience from the real world and combin... Show more

Tommaso Stocchi

Tommaso Stocchi

Tommaso is a Cloud Solution Architect for Microsoft's Application Innovation team. He supports developers in the adoption of Microsoft's technologies with a focus on Cloud Native Applications and DevOps.

Tommaso is a Cloud Solution Architect for Microsoft's Application Innovation team. He supports developers in the adoption of Microsoft's technologies with a focus on Cloud Native Applications and DevOps. Show more

Ignat Korchagin

Ignat Korchagin

Ignat is a systems engineer at Cloudflare working mostly on Linux, platforms and hardware security. Ignat’s interests are cryptography, hacking, and low-level programming. Before Cloudflare, Ignat worked as a senior security engineer for Samsung Electronics’ Mobile Communications Division. His solutions may be found in many older Samsung smart phones and tablets. Ignat started his career as a security researcher in the Ukrainian government’s communications services.

Ignat is a systems engineer at Cloudflare working mostly on Linux, platforms and hardware security. Ignat’s interests are cryptography, hacking, and low-level programming. Before Cloudflare, Ignat worked as a senior security engineer for Samsung Elec... Show more

Ana Maria Mihalceanu

Ana Maria Mihalceanu

Ana is a Java Champion Alumni, Senior Developer Advocate for the Java Platform Group at Oracle, with an extensive background in Java and cloud development, while contributing to Java community growth and events. Her exposure to varied technical challenges involving Java-based frameworks has endowed her with deep insights into the evolution of the JDK tools, practical use, and advanced features. To learn more about/from her, follow her on Twitter @ammbra1508.

Ana is a Java Champion Alumni, Senior Developer Advocate for the Java Platform Group at Oracle, with an extensive background in Java and cloud development, while contributing to Java community growth and events. Her exposure to varied technical chall... 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

Dennis Hoffstaedte

Dennis Hoffstaedte

Dennis Hoffstädte ist Gründer und Geschäftsführer der DatenPioniere. Er versteht sich als Impulsgeber für analytische Themen und begleitet Unternehmen bei der Einführung von BI-Plattformen. Selbstbezeichnend als „The Plumber of Data Analytics“ ist er auch Gründer der exklusiven Community „How2SurvivePowerBI“.

Dennis Hoffstädte ist Gründer und Geschäftsführer der DatenPioniere. Er versteht sich als Impulsgeber für analytische Themen und begleitet Unternehmen bei der Einführung von BI-Plattformen. Selbstbezeichnend als „The Plumber of Data Analytics“ ist er... Show more

Michael McKinley

Michael McKinley

Michael McKinley is the founder of McKinley Consulting. Michael has managed projects and workstreams in consulting for the last thirteen years, in areas including data analytics, change management, operations excellence, and supply chain transformation.

Michael McKinley is the founder of McKinley Consulting. Michael has managed projects and workstreams in consulting for the last thirteen years, in areas including data analytics, change management, operations excellence, and supply chain transformati... Show more

Alex Powers

Alex Powers

From financial services to felines, the World Wide Web to professional wrestling - Alex Powers has an affinity for the conventional and unconventional when it comes to information. A self-proclaimed Microsoft Evangelist Alex Powers enjoys contributing to online forums and sharing his passion for empowering others using Microsoft products and services.

From financial services to felines, the World Wide Web to professional wrestling - Alex Powers has an affinity for the conventional and unconventional when it comes to information. A self-proclaimed Microsoft Evangelist Alex Powers enjoys contributin... Show more

José Coignard

José Coignard

Je suis l'un des tous premiers Français à être devenu formateur professionnel avec ProKanban.org.

J'ai 20ans d'expérience dans différents domaines (Bancaire, RH, Data, Handicap etc.), principalement dans l'IT et la création de produit numérique. J'ai été développeur, maitrise d'ouvrage, chef de projet, manager et depuis une dizaine d'année Coach agile.

Je suis convaincu que l'optimisation du flux est essentielle pour la réussite d'une entreprise et pour l'amélioration des politiques RSE.

J'adore transmettre mes connaissances et faire grandir les autres, alors rejoignez moi dans l'une de mes formations.

Je suis l'un des tous premiers Français à être devenu formateur professionnel avec ProKanban.org. J'ai 20ans d'expérience dans différents domaines (Bancaire, RH, Data, Handicap etc.), principalement dans l'IT et la création de produit numérique. J... Show more

Hannes Lagler-Gruener

Hannes Lagler-Gruener

Hannes Lagler-Gruener is a senior cloud architect with consulting experience of more than 15 years.
Hannes is focusing on cloud architecture and security.
Hannes had deep experience in IaaS, Security, Networking, Governance, and IaC. He started his carrier at one of the biggest Austrian banks and changed to Microsoft Austria after a few years.
Currently, Hannes is working at ACP IT Solutions GMBH as Lead-Cloud Solutions Architect.

Hannes Lagler-Gruener is a senior cloud architect with consulting experience of more than 15 years. Hannes is focusing on cloud architecture and security. Hannes had deep experience in IaaS, Security, Networking, Governance, and IaC. He started his... Show more

Jérôme Urvoas

Jérôme Urvoas

Jérôme is a professional coach, agile coach, facilitator and trainer.
For 19 years, he has been one of the pioneers who have develop an agile culture within Lectra teams. He is now in charge of a team of internal coaches that he created and who support his company in its many changes.
Passionate about human dynamics, he has developed over the years an expertise in the fields of agility, change management and the management of teams and organizations.
Active member of the Agile community and of the European Mentoring and Coaching Council France, he likes to share his experience and his convictions through conferences and training.

Jérôme is a professional coach, agile coach, facilitator and trainer. For 19 years, he has been one of the pioneers who have develop an agile culture within Lectra teams. He is now in charge of a team of internal coaches that he created and who supp... Show more

Geoff Ables

Geoff Ables

Geoff Ables is a keynote speaker, best-selling author, and a Microsoft MVP recognized in the Copilot, Power Platform, Dynamics 365, and Modern Work (SharePoint, Teams and Viva) categories.

A recognized thought leader on artificial intelligence and people-centric digital transformation, Geoff's most recent book, "The LUCK Principle: Business Results at the Intersection of People and Profit," delivers fresh insight and inspiration into the people, processes, and technologies driving business ROI today.

His firm, C5 Insight, has twice been named an Inc 5000 company, and advises clients on digital customer and employee experience projects.

Geoff is also an avid motorcycle and wine enthusiast and has appeared as a guest on TruTVs's, "The Impractical Jokers."

Geoff Ables is a keynote speaker, best-selling author, and a Microsoft MVP recognized in the Copilot, Power Platform, Dynamics 365, and Modern Work (SharePoint, Teams and Viva) categories. A recognized thought leader on artificial intelligence an... Show more

Régis Schneider

Régis Schneider

Je suis marié, avec 2 enfants (16 & 17 ans). J'apprécie particulièrement les voyages éloignés, mais aussi ceux au bout de la rue. Tant d'opportunités de rencontrer et d'apprendre !
Le mot que j'apprécie le moins : "Normal".
Un mot que je n'apprécie pas trop : "Bienveillance". Un principe que j'apprécie beaucoup : "Bienveillance".
Sinon, tombé dans Agile en 2009, je ne veux maintenant plus m'en sortir, que ce soit à la maison ou au boulot. Je tente de développer depuis un positionnement de facilitateur, de produit et d’équipe.

Je suis marié, avec 2 enfants (16 & 17 ans). J'apprécie particulièrement les voyages éloignés, mais aussi ceux au bout de la rue. Tant d'opportunités de rencontrer et d'apprendre ! Le mot que j'apprécie le moins : "Normal". Un mot que je n'apprécie... Show more

Anshika Tiwari

Anshika Tiwari

Anshika is a passionate DevOps/SRE Engineer who is always eager to learn & implement cloud-native solutions, she has contributed to streamlining deployment processes and enhancing system reliability. She is eager to share her experiences and insights at conferences, contributing to the open-source community through talks, mentorship, and collaboration.

Anshika is a passionate DevOps/SRE Engineer who is always eager to learn & implement cloud-native solutions, she has contributed to streamlining deployment processes and enhancing system reliability. She is eager to share her experiences and insights... Show more

Marcel Lupo

Marcel Lupo

As Microsoft DevOps MVP in DevTech with multiple accolades, my mission is to mentor and contribute to technical communities, ensuring that my dedication to DevOps and AI services not only enhances project outcomes but also empower the broader developer ecosystem and community. I am a critical thinker with a strong advocacy for technology, continuously pursuing excellence and innovation, particularly in cloud technologies and automation. As a Cloud Solutions and DevOps Architect, I focus on delivering scalable, efficient, and cutting-edge solutions and to solve complex technical problems.

Alongside my technical pursuits, I am deeply committed to promoting the responsible and ethical use of technology and AI, emphasising fairness, transparency, and inclusivity. My goal is to foster a balance between innovation and accountability, ensuring that technological advancements benefit society as a whole.

I'm also the organiser of two .NET foundation user Groups, DevOps & GitHub Meetup Brighton (Sussex) and DevOps, Data Science & GenAI Meetup (London) normally hosted at the Microsoft Reactor in London or virtual events online.

As Microsoft DevOps MVP in DevTech with multiple accolades, my mission is to mentor and contribute to technical communities, ensuring that my dedication to DevOps and AI services not only enhances project outcomes but also empower the broader develop... Show more

Hugo Guerrero

Hugo Guerrero

Hugo Guerrero specializes in building the backbone of the AI era. As a technology leader, he focuses on AI-ready infrastructure, modern API strategy, and scalable event-driven systems. A frequent speaker and advocate for developer ecosystems, Hugo is passionate about turning complex architectural concepts into real-world results. He works at the intersection of connectivity and intelligence, ensuring that today’s infrastructure is ready for tomorrow’s agentic workflows.

Hugo Guerrero specializes in building the backbone of the AI era. As a technology leader, he focuses on AI-ready infrastructure, modern API strategy, and scalable event-driven systems. A frequent speaker and advocate for developer ecosystems, Hugo is... Show more

Aakash Singhal

Aakash Singhal

Aakash is a seasoned Engineering Leader with experience in leading complex transformations in disruptive markets. Aakash is able to broker trusted relationships quickly, coupled with a strong executive presence to influence across organizations on how to build world-class product experiences. Having the opportunity to work across many industries like Retail, Healthcare and Financial Services, Aakash has led the innovation and experimentation of many new and modern practices. Aakash is always focused on taking a data-driven approach, learning from what has worked and what has failed before. Aakash solemnly believes that everyone in an organization is capable of delivering great outcomes and focuses on enabling high-performing nimble teams.

Aakash is a seasoned Engineering Leader with experience in leading complex transformations in disruptive markets. Aakash is able to broker trusted relationships quickly, coupled with a strong executive presence to influence across organizations on ho... Show more

Lonneke Opsteegh

Lonneke Opsteegh

Lonneke Opsteegh, PhD, is an expert in data communication, with a strong focus on dashboards and data visualizations. A solid data foundation and in-depth analyses are essential, but not sufficient to achieve real change in an organization. Using clear and direct visuals, Lonneke makes data understandable to everyone in the organization, including people without a "math knack"...

Lonneke designed Power BI dashboards, templates/style guides and a 'way of working' for TNO, Rabobank, ForFarmers, InRetail, Roompot, Kapimex, TIGRA and the University of Wageningen, among others. She also helped hundreds of trainees to design and build better graphs and dashboards, both in science, business and (semi-)government (e.g. Radboud University, GasUnie, various municipalities, ABN AMRO, Van Lanschot bankers, Pink Roccade).

Lonneke knows like no other how and why certain design elements work well or not so well in practice. She likes to take you along in the world of dashboard design and data visualization.

Lonneke Opsteegh, PhD, is an expert in data communication, with a strong focus on dashboards and data visualizations. A solid data foundation and in-depth analyses are essential, but not sufficient to achieve real change in an organization. Using cle... Show more

Michael Plöd

Michael Plöd

Michael works as an independent tech consultant with 20+ years of experience specialized in Domain Driven Design, Team Topologies, Software Architecture and Collaborative Modeling. He is a regular speaker at international conferences and an author. Michael is also an INNOQ Fellow and Team Topologies Advocate.

Michael works as an independent tech consultant with 20+ years of experience specialized in Domain Driven Design, Team Topologies, Software Architecture and Collaborative Modeling. He is a regular speaker at international conferences and an author. M... Show more

Ana Molina Aznar

Ana Molina Aznar

I am a professional with more than 10 years of experience in the IT world, specialized in Business Intelligence, analytics and information representation. Throughout my career, I have worked extensively in requirements analysis, relational and analytical database modeling, ETL process development as well as reporting and data visualization, using tools such as Power BI, Azure services or Microsoft SQL Server BI suite.
In addition to this, I have a master's degree in graphic design and illustration, which allows me to combine my technical skills with a creative perspective to generate attractive and effective visual solutions, using the Adobe suite and other tools.
Outside the professional field, I enjoy drawing, playing guitar, walking, cooking, watching series and movies. I am always looking to learn new things.
This mix of interests and skills allows me to approach projects with a broad and creative vision.

I am a professional with more than 10 years of experience in the IT world, specialized in Business Intelligence, analytics and information representation. Throughout my career, I have worked extensively in requirements analysis, relational and analyt... Show more

Ashish Jha

Ashish Jha

Ashish is a creative technologist and Solutions Engineer at DevRev, where he drives revenue growth and fosters customer partnerships by tackling intricate challenges that lie at the intersection of Customer Experience and Conversational AI-powered developer interactions. Previously at Okta, he deepened his expertise in identity and access management, and he is a leading community voice in Conversational AI, having built over 800 voice applications, won multiple Amazon Alexa Hackathons, and created in-depth training courses. Ashish brings a unique blend of technical depth and user-centric, secure design to everything he builds.

Ashish is a creative technologist and Solutions Engineer at DevRev, where he drives revenue growth and fosters customer partnerships by tackling intricate challenges that lie at the intersection of Customer Experience and Conversational AI-powered de... Show more

Ondro Mihályi

Ondro Mihályi

Ondro is a software developer and consultant specializing in combining standard and proven tools to solve new and challenging problems. He's been developing in Java for over 10 years. He’s worked for clients like Payara, LottoLand, Uniqa and others.

He has co-founded OmniFish, which provides enterprise support for Eclipse GlassFish and expert Jakarta EE services. He’s passionate about helping his clients and the wider Java community with their projects based on Jakarta EE and similar technologies.

As an experienced Java developer and instructor, he's helped companies build and educate their development teams and improve their development processes.
He's a core member of several opensource projects and Jakarta EE specification projects. He’s a frequent conference speaker, leader of the Czech JUG, and a Java Champion.

Ondro is a software developer and consultant specializing in combining standard and proven tools to solve new and challenging problems. He's been developing in Java for over 10 years. He’s worked for clients like Payara, LottoLand, Uniqa and others. ... Show more

Neil Chandler

Neil Chandler

Neil has been working in IT since 1988 when he coded Assembler and Cobol on IBM Mainframes against both hierarchical (NoSQL-ish) and relational databases. He started using Oracle software in 1991. Neil is an Oracle ACE Director and a founding member of the MASH Program. He likes to drink strong smooth Italian coffee, good beer and better whisky, depending upon the time of day.

Neil has been working in IT since 1988 when he coded Assembler and Cobol on IBM Mainframes against both hierarchical (NoSQL-ish) and relational databases. He started using Oracle software in 1991. Neil is an Oracle ACE Director and a founding member ... Show more

Daniel Fang

Daniel Fang

Daniel is a seasoned Solution Architect and a coder at heart, bringing broad expertise in cloud application and system integration on Azure. He specializes in cloud-first architecture and applying AI innovations to build scalable, efficient, and resilient solutions.

Driven by a passion for mentoring and community, Daniel actively shares knowledge and collaborates with developers from diverse cultural backgrounds. He enjoys turning ideas into practical solutions that foster innovation and create real-world impact. At the core of his work is a commitment to learning, collaboration, and making a positive difference through technology.

Beyond his professional role, Daniel volunteers as a FIRST LEGO League coach, helping students build LEGO robots and learn Python. He is particularly interested in how robotics and AI can be used in education to inspire creativity and equip the next generation with strong problem-solving skills.

Daniel is a seasoned Solution Architect and a coder at heart, bringing broad expertise in cloud application and system integration on Azure. He specializes in cloud-first architecture and applying AI innovations to build scalable, efficient, and resi... Show more

Luigi Fugaro

Luigi Fugaro

Luigi Fugaro's journey into the realm of computer science began in the vibrant world of video games, starting with the Vic 20 and Atari ST1040. This early exposure ignited a fascination with the inner workings of games, particularly the allure of manipulating game code to unlock endless lives and energy. This initial intrigue was the catalyst for Luigi's foray into programming, marking the start of a rich and diverse professional path.

Throughout his distinguished career, Luigi has demonstrated a remarkable versatility, mastering an array of programming languages from the structured precision of Fortran to the modern fluency of Java, Go, Delphi, Visual Basic, and Python. His relationship with JavaScript is a bit more nuanced, viewing it as borderline in the programming language spectrum. Though he doesn’t classify HTML as a programming language per se, Luigi holds a deep respect for its capabilities and applications.

As his career progressed, Luigi ventured beyond the boundaries of coding, exploring the increasingly critical domains of observability, monitoring, and data management. A pivotal chapter in his career unfolded at Red Hat and Redis, where he realized the critical role of application performance for clients, further enriching his professional expertise.

Now, Luigi remains as enthusiastic and driven as ever, constantly seeking new knowledge and challenges. His passion for technology not only leads him to embark on numerous side projects - most of which remain unfinished except for his notable literary contributions - but also keeps him at the forefront of innovation in the ever-evolving field of computer science.

Luigi Fugaro's journey into the realm of computer science began in the vibrant world of video games, starting with the Vic 20 and Atari ST1040. This early exposure ignited a fascination with the inner workings of games, particularly the allure of man... Show more

Femke Cornelissen

Femke Cornelissen

Femke Cornelissen is Chief Copilot at Wortell. She is also the founder of Dutch Women in Tech (DWIT). Femke's goal with DWIT is to connect women in tech and help to inspire young women to choose a job in IT. Women can connect through the community in Microsoft Teams and various on- and offline events.

Femke is also a Microsoft 365 blogger with only Dutch content. Her goal is to organize, speak and attend conferences to learn, connect and share knowledge with others.

Find out more at www.femkecornelissen.com

Femke Cornelissen is Chief Copilot at Wortell. She is also the founder of Dutch Women in Tech (DWIT). Femke's goal with DWIT is to connect women in tech and help to inspire young women to choose a job in IT. Women can connect through the community in... 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.