Most Active Speakers 2025

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

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Lorenzo Barbieri

Lorenzo Barbieri

From the moment I turned on my Vic-20, 40 years ago, I knew my life was aimed at technology. I've always been the first in line to test out new products, services, gadgets, especially those which promised to change people’s lives. I’ve always been a tech superhero.
After all these years, my personal mission went from changing the world through technology to improving the world, one human interaction at a time. Changing the way people live in the digital age is possible only by addressing the human factor, together with technology.
My proven track record of driving sales involves creating connections, building communities, challenging views, delivering value, and going the extra mile.
As a Cloud Architect and Evangelist, I’ve presented technical and business content to a wide range of different audiences, from executive meetings to large developer conferences, including many online and in-person events, and I was recognized as the “best speaker” multiple times, thanks to a clever mix of storytelling and technology.
I have a deep technical knowledge of Application Innovation and Modernization in the Cloud, Cloud Native solutions and, of course, on-premises solutions. I can drive product development and technology teams.
I have a deep business knowledge of Manufacturing, Automotive, and Construction business, coupled with a broad knowledge of ISVs and Microsoft partners.
So, if you're ever in need of an evil genius being able to impact deals through human interactions and technology, look no further. I’m the right person to help with your business!

From the moment I turned on my Vic-20, 40 years ago, I knew my life was aimed at technology. I've always been the first in line to test out new products, services, gadgets, especially those which promised to change people’s lives. I’ve always been a ... Show more

Ayesha Kaleem

Ayesha Kaleem

I am a Site Reliability Engineer (SRE) and Kubernetes enthusiast with extensive experience in ensuring complex systems' reliability, scalability, and performance. I specialize in deploying and managing Kubernetes clusters, optimizing infrastructure, and automating processes.

With a strong foundation in SRE principles and DevOps practices, I thrive in fast-paced environments and am committed to continuous learning and innovation. I am also an active contributor to the tech community, sharing my knowledge through talks and workshops.

I am a Site Reliability Engineer (SRE) and Kubernetes enthusiast with extensive experience in ensuring complex systems' reliability, scalability, and performance. I specialize in deploying and managing Kubernetes clusters, optimizing infrastructure, ... Show more

José Manuel Castillo García

José Manuel Castillo García

Enterprise Administrator (MCSE). Microsoft cloud service adoption and migration specialist with eight years of experience. Passionate about cloud services, I have delivered training sessions on Office 365 products to users and other administrators.
Speaker:
Microsoft 365 Live 2021, Intune Overview
Academy365, 2021 Intune Overview
Academy 365, Windows 365
Global Azure 2023, Intune for Admins
Tenerife Winter 2024, Como preparar nuestro entorno para Microsoft Copilot
Copilot Days2025, Como preparar nuestro entorno para Microsoft Copilot y mejorar nuestros resultados.
Microsoft comunity days 2025, Batallitas de consultor
Collabdays 2025, Gestión de Documentación en Sharepoint y Copilot

Enterprise Administrator (MCSE). Microsoft cloud service adoption and migration specialist with eight years of experience. Passionate about cloud services, I have delivered training sessions on Office 365 products to users and other administrators. ... Show more

Giovanna Galleno Malaga

Giovanna Galleno Malaga

Versatile Soft Skills Trainer, Learning Designer, and IT Project Manager with 15+ years of experience designing and delivering tailored and impactful training solutions, leading dynamic workshops, and integrating e-learning strategies that drive measurable performance outcomes in diverse industries —including Mining, Technology, Finance, and Healthcare.

Skilled in managing cross-functional and multicultural teams, aligning initiatives with strategic goals, and executing projects that boost productivity, efficiency, and professional growth

++ Talks & workshops in Italian, English, and Spanish.

Versatile Soft Skills Trainer, Learning Designer, and IT Project Manager with 15+ years of experience designing and delivering tailored and impactful training solutions, leading dynamic workshops, and integrating e-learning strategies that drive meas... Show more

Hans Kristian Flaatten

Hans Kristian Flaatten

CNCF Abassasor, Google Developer Expert (GDE) for Cloud, Grafana Champion and Platform Engineer at the Norwegian Labor and Welfare Administration (NAV) working on NAIS - a platform built to increase development speed by providing the best experience to build, run and operate applications.

Co-organiser of KCD Oslo, Cloud Native and GDG meetups in Norway. Regular speaker at national and international conferences on all things cloud native.

CNCF Abassasor, Google Developer Expert (GDE) for Cloud, Grafana Champion and Platform Engineer at the Norwegian Labor and Welfare Administration (NAV) working on NAIS - a platform built to increase development speed by providing the best experience ... Show more

Luc Labelle

Luc Labelle

Luc brings over two decades of IT expertise to the table, with a remarkable 15-year tenure as a consultant. Throughout his career, he has spearheaded numerous projects centered around Office 365, SharePoint, Power BI, and Power Platform, accumulating a wealth of experience in diverse business environments. This extensive exposure has sculpted Luc into a highly skilled professional with a deep understanding of various business models.

Driven by his fervor for technology, Luc established his own consulting firm, Kabesa, in 2014. Actively immersed in the Montreal community, he is a frequent contributor to events, wearing multiple hats as both an organizer and a speaker. As a distinguished Business Applications MVP, Luc leads the Montreal Power Platform User Group and is sought after globally for his expertise, having delivered numerous sessions worldwide, each showcasing the cutting-edge innovations of Microsoft technology.

Luc brings over two decades of IT expertise to the table, with a remarkable 15-year tenure as a consultant. Throughout his career, he has spearheaded numerous projects centered around Office 365, SharePoint, Power BI, and Power Platform, accumulating... Show more

Arjan Rijsdijk

Arjan Rijsdijk

Working on the coolest projects as a Powerbouwer. Crazy about the Power Platform. Love to create added value with Power Platform. Enjoy working with other Power Platform experts. Every day is a new learning experience. Stay Hungry. Stay Foolish.

Working on the coolest projects as a Powerbouwer. Crazy about the Power Platform. Love to create added value with Power Platform. Enjoy working with other Power Platform experts. Every day is a new learning experience. Stay Hungry. Stay Foolish. Show more

Mark Pryce-Maher

Mark Pryce-Maher

Mark Pryce-Maher is a Senior Program Manager on Microsoft Fabric. Primary focusing on the Mirroring, User Experiences and Migrations for the Data Warehouse. Mark has spent the last 7 years at Microsoft in the Big Data space, including helping many customers migrate from Netezza, Teradata, Oracle, APS, SQL Server to Synapse Data Warehouse.

Mark Pryce-Maher is a Senior Program Manager on Microsoft Fabric. Primary focusing on the Mirroring, User Experiences and Migrations for the Data Warehouse. Mark has spent the last 7 years at Microsoft in the Big Data space, including helping many... Show more

Parv Chana

Parv Chana

With over 20 years in the industry, he is a seasoned BI Architect and Consultant. Running his own consulting company, PeryTUS IT Solutions, he provides Power BI solutions to clients ranging from small to large enterprises. He has a diverse background across industries and has delivered customized solutions to meet his clients' BI needs. Holding the title of Microsoft Data Platform MVP, he has been working with Power BI since its launch in 2015.

His expertise encompasses end-to-end Power BI implementation, analysis of existing solutions, promoting best practices for scalable BI models, and training to help clients reach their BI objectives.

With over 20 years in the industry, he is a seasoned BI Architect and Consultant. Running his own consulting company, PeryTUS IT Solutions, he provides Power BI solutions to clients ranging from small to large enterprises. He has a diverse background... Show more

Nilanjan Chatterjee

Nilanjan Chatterjee

I am Nilanjan Chatterjee , a seasoned Data Engineering leader and architect at AMD, with extensive experience in rolling out 0-1 turn-key products and features across Fintech, Semiconductor and Telecom domains. With over 12 years of experience across Data Engineering , Data Science and Gen AI pipeline and MLOps, I assist business operationalise their data and ML strategy and find data driven solutions to problems.

I am Nilanjan Chatterjee , a seasoned Data Engineering leader and architect at AMD, with extensive experience in rolling out 0-1 turn-key products and features across Fintech, Semiconductor and Telecom domains. With over 12 years of experience across... Show more

Scott Sewell

Scott Sewell

As a Principal Product Manager within the Microsoft Fabric and Power BI team and as a Global Black Belt for Microsoft Dynamics 365, I've seen firsthand how valuable the data in Microsoft Dynamics 365 and Power Apps built on Dataverse can be for the decision-makers. I've also worked through the challenges that are commonly faced by makers when bringing Power BI to Dataverse or vice versa.
I'm passionate about how valuable Dynamics 365 and The Microsoft Fabric data platform are when used together and I'm always excited to share and learn with other makers on the Power Platform to help them bring their data to life.

As a Principal Product Manager within the Microsoft Fabric and Power BI team and as a Global Black Belt for Microsoft Dynamics 365, I've seen firsthand how valuable the data in Microsoft Dynamics 365 and Power Apps built on Dataverse can be for the d... Show more

Jeff Watkins

Jeff Watkins

Jeff Watkins is a seasoned CTO and CPTO who has spent his career leading technology, product, and AI organisations through rapid growth and reinvention. He’s steered engineering, product, cloud, cybersecurity, and AI strategy teams through major transformations, turning ambitious ideas into secure, human-centred digital experiences for some of the world’s best-known brands.

A lifelong technologist, Jeff brings over 25 years of hands-on experience across financial services, healthcare, the public sector and retail. He’s founded and led multiple cybersecurity teams and is a vocal champion of secure-by-design practices for generative AI. With an MSc in Cybersecurity and a second Master’s in Artificial Intelligence underway, he’s currently researching anthropomorphised LLM agents and deception detection.

On the international circuit, Jeff is a sought-after keynote speaker, headlining events such as Webinale (Berlin), AppDevCon (Amsterdam), the International JavaScript Conference (London), and Edinburgh Napier’s PlusEquals5 summit. His candid, story-driven take on the collision of AI, cybersecurity, culture and human behaviour resonates with audiences from engineers to executives.
He also co-hosts the multi-award-winning Compromising Positions podcast, where he interviews psychologists, anthropologists, UX researchers and security leaders to bring fresh, outsider insight to cyber. His thought leadership has been featured in Wired, Forbes, Raconteur, IT Pro, Business Cloud, and Information Age, and he’s a regular commentator for the wider technology and security press.

Whether mentoring emerging leaders, building prototypes, or demystifying AI on stage, Jeff’s mission is simple: build technology that elevates people, never the other way around.

Jeff Watkins is a seasoned CTO and CPTO who has spent his career leading technology, product, and AI organisations through rapid growth and reinvention. He’s steered engineering, product, cloud, cybersecurity, and AI strategy teams through major tran... Show more

Frank Geisler

Frank Geisler

Frank Geisler is the owner and CEO of GDS Business Intelligence GmbH, a leading Microsoft Solution Provider specializing in Data and AI. He holds numerous prestigious certifications, including Data Platform MVP, MCT, Azure Solutions Architect Expert, Azure Security Engineer Associate, Azure Data Engineer Associate, and DevOps Engineer Expert. In his role, Frank excels in building robust Business Intelligence systems leveraging Microsoft technologies such as SQL Server, Azure Data Platform, Microsoft Fabric, and Power BI. He is also proficient in constructing Azure infrastructures and architectures using PowerShell and Bicep.

Frank is a prolific author, having written several bestselling books including "Power BI für Dummies," "Azure für Dummies," "Docker für Dummies," and "Pro Serverless Data Handling with Microsoft Azure." As a frequent speaker, he has delivered insightful presentations at major national and international conferences like the PASS Community Summit, SQL BITS, and SQL Server Konferenz.

In addition to his professional achievements, Frank co-founded PASS Deutschland e.V. in 2004 and has served on its board of directors for many years. He also leads the Microsoft Data Community Regional Chapter Münsterland, contributing significantly to the community's growth and development.

Frank Geisler is the owner and CEO of GDS Business Intelligence GmbH, a leading Microsoft Solution Provider specializing in Data and AI. He holds numerous prestigious certifications, including Data Platform MVP, MCT, Azure Solutions Architect Expert,... Show more

Kev Chant

Kev Chant

Data Platform professional based in the Netherlands. Microsoft Certified Trainer and Data Platform MVP.

Many years experience with Microsoft Data Platforms. Along the way gained various Microsoft Certifications.

Held various roles over the years. Over that tome gained real-life experience with various Microsoft Data Platform offerings and ALM solutions such as Azure Devops and GitHub.

Involved with Microsoft technical community in various ways. Including blogs, videos, events and sharing various repositories in GitHub.

Data Platform professional based in the Netherlands. Microsoft Certified Trainer and Data Platform MVP. Many years experience with Microsoft Data Platforms. Along the way gained various Microsoft Certifications. Held various roles over the yea... Show more

April Dunnam

April Dunnam

April Dunnam is a Principal Cloud Advocate at Microsoft, Microsoft Certified Trainer, and MVP alumni. Known for her ability to demystify the Power Platform and AI for both developers and makers, she blends deep technical knowledge with a knack for making complex topics approachable and fun.

With a passion for community and sharing knowledge, April runs a popular YouTube channel dedicated to Power Platform, AI, and low-code development. She actively contributes to the Microsoft 365 and Power Platform community through sample contributions, community calls, and mentorship.

April’s expertise has been recognized with the Microsoft Technology Excellence Award for her innovative Power Platform solutions. She is a frequent speaker at international conferences, helping businesses and developers harness the full potential of AI and the Power Platform. When she’s not advocating for the Power Platform, you can find her performing with her rock band or fueling her caffeine and LEGO building habits.

April Dunnam is a Principal Cloud Advocate at Microsoft, Microsoft Certified Trainer, and MVP alumni. Known for her ability to demystify the Power Platform and AI for both developers and makers, she blends deep technical knowledge with a knack for ma... Show more

Nelson Lopez

Nelson Lopez

Consultant and trainer in Fabric and Power BI. Microsoft MVP Data Platform. Certifications DP-700, DP-600, PL-300. You can find me at www.dataxbi.com.

Consultant and trainer in Fabric and Power BI. Microsoft MVP Data Platform. Certifications DP-700, DP-600, PL-300. You can find me at www.dataxbi.com. Show more

Loïc Magnette

Loïc Magnette

Loïc Magnette is a seasoned software developer with a strong background in consulting. Currently a senior developer at Oniryx, he specializes in Java and Angular, delivering innovative solutions and sharing his knowledge as a speaker. As a co-organizer of the Belgian Java User Group (BeJUG), he fosters connections within the developer community. Outside of tech, Loïc’s passion for wildlife inspires his work and creativity.

Loïc Magnette is a seasoned software developer with a strong background in consulting. Currently a senior developer at Oniryx, he specializes in Java and Angular, delivering innovative solutions and sharing his knowledge as a speaker. As a co-organiz... Show more

Kevin Feasel

Kevin Feasel

Kevin Feasel is a Microsoft Data Platform MVP and Proprietor of Catallaxy Services, LLC, where he specializes in data analytics with T-SQL and R, forcing Spark clusters to do his bidding, fighting with Kafka, and pulling rabbits out of hats on demand. He is the lead contributor to Curated SQL (https://curatedsql.com), president of the Triangle Area SQL Server Users Group (https://www.meetup.com/tripass), and author of PolyBase Revealed (https://www.apress.com/us/book/9781484254608) and Finding Ghosts in Your Data (https://link.springer.com/book/10.1007/978-1-4842-8870-2). A resident of Durham, North Carolina, he can be found cycling the trails along the triangle whenever the weather's nice enough.

Kevin Feasel is a Microsoft Data Platform MVP and Proprietor of Catallaxy Services, LLC, where he specializes in data analytics with T-SQL and R, forcing Spark clusters to do his bidding, fighting with Kafka, and pulling rabbits out of hats on demand... Show more

Johan Heimar Prieto Benavides

Johan Heimar Prieto Benavides

Johan is a Systems Engineer with over 15 years of experience. He began as a software developer and grew to be a leader in software architecture and DevOps projects, especially in banking and telecom.

Besides his main job, he's passionate about being a speaker and a writer. Johan has even written a book in Spanish called 'DevOps en nuestra lengua', sharing his knowledge and experiences.

He's worked in various fields like state banking and telecoms, always bringing his practical skills to each project. Johan likes to mix new ideas with good management, which has helped many businesses.

On the other hand, constantly seeking to train, learn, and explore new areas in the field of computer engineering.

Johan is a Systems Engineer with over 15 years of experience. He began as a software developer and grew to be a leader in software architecture and DevOps projects, especially in banking and telecom. Besides his main job, he's passionate about bei... Show more

Dejan Sarka

Dejan Sarka

Dejan Sarka, MCT, and Data Platform MVP Alumni, is an independent trainer and consultant focusing on database and business intelligence application development. Besides projects, he spends about half of his time on training and mentoring. He is the founder of the Slovenian SQL Server and .NET Users Group. Dejan Sarka is the main author or co-author of twenty books about databases and SQL Server. Dejan Sarka has also developed many courses and seminars for Radacad, Microsoft, SolidQ, and Pluralsight.

Dejan Sarka, MCT, and Data Platform MVP Alumni, is an independent trainer and consultant focusing on database and business intelligence application development. Besides projects, he spends about half of his time on training and mentoring. He is the f... Show more

Divakar Kumar

Divakar Kumar

Divakar Kumar is a Microsoft MVP in AI and a Microsoft Certified Trainer (MCT), working as a Technical Architect at Flyerssoft. He actively shares his knowledge through blogs, talks, and training sessions, empowering developers to harness the potential of AI in real-world applications.

Divakar Kumar is a Microsoft MVP in AI and a Microsoft Certified Trainer (MCT), working as a Technical Architect at Flyerssoft. He actively shares his knowledge through blogs, talks, and training sessions, empowering developers to harness the potenti... Show more

Dean Ellerby

Dean Ellerby

Organizer @ Workplace Ninjas UK and Microsoft Security MVP, Microsoft Certified Trainer, Speaker and Author at Petri.com, Author and Trainer at Pluralsight.com

Organizer @ Workplace Ninjas UK and Microsoft Security MVP, Microsoft Certified Trainer, Speaker and Author at Petri.com, Author and Trainer at Pluralsight.com Show more

Jose Manuel Jurado Diaz

Jose Manuel Jurado Diaz

José Manuel Jurado currently works as SQL Escalation Engineer and Subject Matter Expert in Azure SQL Database at Microsoft Spain. With over 15+ years of experience in SQL Server environments (administration and database development), he is a speaker for internal events at Microsoft and for public events as SQL Saturday, SQL Nexus, TechReady, DotNetConference and Azure BootCamp. In the past, he worked as Project Manager for large Global Retail Company for more than 10 years developing projects using different Microsoft Technologies.

José Manuel Jurado currently works as SQL Escalation Engineer and Subject Matter Expert in Azure SQL Database at Microsoft Spain. With over 15+ years of experience in SQL Server environments (administration and database development), he is a speaker ... Show more

Matteo Bianchi

Matteo Bianchi

Matteo is a Solutions Engineer at GitHub, CNCF Ambassador and Cloud Native aficionado, a former startup CTO and DevRel. Open Source contributor, part of the Kubernetes Release Team since v1.31 and until v1.34, actively serving in Release Engineering since v1.33.

Hacker, builder and problem solver by nature. Singing in a metal band whenever there's nothing left to fix in the cloud. @mbianchidev on (almost) every social media.

Matteo is a Solutions Engineer at GitHub, CNCF Ambassador and Cloud Native aficionado, a former startup CTO and DevRel. Open Source contributor, part of the Kubernetes Release Team since v1.31 and until v1.34, actively serving in Release Engineering ... Show more

Joanne Gouaillier

Joanne Gouaillier

Je suis tombée dans l'agilité il y a déjà pas mal d'années, sans en connaître le nom. Ce mindset, ainsi que ses valeurs et principes, sont pour moi cruciaux pour toute organisation, toute démarche, tout projet. Non pas que les méthodes liées à l'agilité soient toujours les + adaptées, mais ce mindset fondé sur l'humain, l'écoute, la co-construction, l'adaptation et la création de valeur est transposable à toutes les échelles. Je suis aujourd'hui coach pour les équipes agiles, et j'accompagne aussi l'individu et les organisations à se transformer.

Je suis tombée dans l'agilité il y a déjà pas mal d'années, sans en connaître le nom. Ce mindset, ainsi que ses valeurs et principes, sont pour moi cruciaux pour toute organisation, toute démarche, tout projet. Non pas que les méthodes liées à l'agil... Show more

Cortney Nickerson

Cortney Nickerson

Cortney is Head of Community at Nirmata. As a CNCF and Civo Ambassador, she helps co-organize the CNCF Bilbao Community, various Kubernetes Community Day events, and KubeJam. Additionally, she is a recognized voice in the cloud native space. Initially, a non-techie, she turned techie as employee 7 at a startup acquired by DataDog while writing content for the Data on Kubernetes Community. When not talking tech, you can find her talking DEI, sharing about her struggle with imposter syndrome, and trying to wrestle her kids to bed at a normal time.

Cortney is Head of Community at Nirmata. As a CNCF and Civo Ambassador, she helps co-organize the CNCF Bilbao Community, various Kubernetes Community Day events, and KubeJam. Additionally, she is a recognized voice in the cloud native space. Initiall... Show more

Javier Sanchez Rivero

Javier Sanchez Rivero

Ingeniero electrónico convertido en experto en datos con más de 6 años de experiencia, Microsoft 𝗠𝗩𝗣 𝗲𝗻 𝗗𝗮𝘁𝗮 𝗣𝗹𝗮𝘁𝗳𝗼𝗿𝗺 y 𝗰𝗲𝗿𝘁𝗶𝗳𝗶𝗰𝗮𝗰𝗶𝗼𝗻𝗲𝘀 𝗱𝗲 𝗠𝗶𝗰𝗿𝗼𝘀𝗼𝗳𝘁 como Analista de Datos en Microsoft Power BI y en Microsoft Azure, además de especializarme en soluciones analíticas a nivel empresarial utilizando estas tecnologías.

𝗠𝗮́𝘀𝘁𝗲𝗿 𝗲𝗻 𝗔𝗱𝘃𝗮𝗻𝗰𝗲𝗱 𝗔𝗻𝗮𝗹𝘆𝘁𝗶𝗰𝘀 𝗲𝗻 𝗧𝗲𝗰𝗻𝗼𝗹𝗼𝗴í𝗮𝘀 𝗠𝗶𝗰𝗿𝗼𝘀𝗼𝗳𝘁, fusiono mi formación técnica con un profundo conocimiento del mundo de los datos. No sólo soy un apasionado de la tecnología, sino también 𝗰𝗼-𝗼𝗿𝗴𝗮𝗻𝗶𝘇𝗮𝗱𝗼𝗿 𝗱𝗲𝗹 𝗴𝗿𝘂𝗽𝗼 𝗣𝗼𝘄𝗲𝗿 𝗣𝗹𝗮𝘁𝗳𝗼𝗿𝗺 𝗘𝘂𝘀𝗸𝗮𝗱𝗶 y un 𝗺𝗶𝗲𝗺𝗯𝗿𝗼 𝗰𝗼𝗺𝗽𝗿𝗼𝗺𝗲𝘁𝗶𝗱𝗼 𝗱𝗲 𝗹𝗮 𝗰𝗼𝗺𝘂𝗻𝗶𝗱𝗮𝗱. Mis contribuciones como ponente y autor del blog losdatoscomoherramienta.blogspot.com reflejan mi dedicación al fascinante mundo de los datos.

En resumen, transformo mi trabajo en mi pasión, y estoy aquí para demostrar que los datos no solo son una herramienta, ¡sino una fuente de inspiración y creatividad! ¡𝗔𝗰𝗼𝗺𝗽𝗮́ñ𝗮𝗺𝗲 𝗲𝗻 𝗲𝘀𝘁𝗲 𝘃𝗶𝗮𝗷𝗲 𝗲𝗺𝗼𝗰𝗶𝗼𝗻𝗮𝗻𝘁𝗲 𝗮 𝘁𝗿𝗮𝘃𝗲́𝘀 𝗱𝗲𝗹 𝘂𝗻𝗶𝘃𝗲𝗿𝘀𝗼 𝗱𝗲 𝗹𝗼𝘀 𝗱𝗮𝘁𝗼𝘀!

Ingeniero electrónico convertido en experto en datos con más de 6 años de experiencia, Microsoft 𝗠𝗩𝗣 𝗲𝗻 𝗗𝗮𝘁𝗮 𝗣𝗹𝗮𝘁𝗳𝗼𝗿𝗺 y 𝗰𝗲𝗿𝘁𝗶𝗳𝗶𝗰𝗮𝗰𝗶𝗼𝗻𝗲𝘀 𝗱𝗲 𝗠𝗶𝗰𝗿𝗼𝘀𝗼𝗳𝘁 como Analista de Datos en Microsoft Power BI y en Microsof... Show more

Hossein Salahi

Hossein Salahi

Hossein is an experienced cloud computing professional with nearly a decade of expertise in distributed systems and cloud technologies. He began as a working student specializing in cloud automation at the Max Planck Institute, progressing to a full-time role focusing on on-premises cloud infrastructure and Docker. He built an on-premises Kubernetes platform in the industry and later honed his cloud and DevOps expertise as a senior consultant. As a tech lead, Hossein drives impactful projects, mentors platform engineers, and contributes to the community through talks and workshops.

Hossein is an experienced cloud computing professional with nearly a decade of expertise in distributed systems and cloud technologies. He began as a working student specializing in cloud automation at the Max Planck Institute, progressing to a full-... Show more

Valeria Salis

Valeria Salis

As a Green Software Advocate and Tech Sustainability Consultant, my mission is helping companies and professionals build more sustainable, low-carbon digital solutions. Since discovering technology's environmental impact in early 2023, I've become a recognized speaker at major tech conferences and co-founded Green Software Italia community. I believe in responsible technology that creates positive impact for both businesses and the environment.

As a Green Software Advocate and Tech Sustainability Consultant, my mission is helping companies and professionals build more sustainable, low-carbon digital solutions. Since discovering technology's environmental impact in early 2023, I've become a ... Show more

Luca Di Vita

Luca Di Vita

I hold a degree in Computer Engineering from the University of L'Aquila. My passion lies in research, particularly in Machine Learning and Evolutionary Computation.
I work as a Machine Learning Engineer in the IT sector, focusing on security and defense.
Driven by curiosity and a love for continuous learning, I have ventured into the world of Dev Talks, where I enjoy sharing knowledge and connecting with the tech community.

My goal is to inspire and engage others with the same enthusiasm that fuels my work, fostering discussions that push the boundaries of technology and innovation.

See my personal blog here: https://www.lucadivita.it/

I hold a degree in Computer Engineering from the University of L'Aquila. My passion lies in research, particularly in Machine Learning and Evolutionary Computation. I work as a Machine Learning Engineer in the IT sector, focusing on security and def... 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.