Region & Country

Valued speakers who focus on the geopolitical and cultural aspects of different regions and countries, exploring topics like regional development, international relations, and cultural identity

Arindam Majumder

Arindam Majumder

I’m a developer advocate, writer, and builder who enjoys breaking down complex tech into simple steps, working demos, and content that developers can act on. My blogs have crossed a million views across platforms, and I create technical tutorials on YouTube focused on AI, agents, and practical workflows. I contribute to open source, explore new AI tooling, and build small apps and prototypes to show developers what’s possible with today’s models.

I’m a developer advocate, writer, and builder who enjoys breaking down complex tech into simple steps, working demos, and content that developers can act on. My blogs have crossed a million views across platforms, and I create technical tutorials on ... Show more

Lirone Glikman

Lirone Glikman

Lirone Glikman is an international speaker, bestselling author, and consultant on business networking and personal branding using AI, and business development for startups and high-tech companies. She has consulted and spoken to developers, founders, and women leaders in 27 countries, sharing her methodology for achieving business results through authentic connections.

She is the author of the amazon bestseller "The Super Connector's Playbook". With over 20 years of global experience across Europe, Australia, and the U.S., she brings both corporate and startup perspectives to the tech world. Lirone contributes to leading global magazines and serves as an executive director at a UN-affiliated NGO supporting the Sustainable Development Goals.

Lirone Glikman is an international speaker, bestselling author, and consultant on business networking and personal branding using AI, and business development for startups and high-tech companies. She has consulted and spoken to developers, founders,... Show more

Santosh Durgam

Santosh Durgam

Santosh Durgam is a data engineering & analytics leader with 20+ years building governed, high-scale data platforms across retirement/401(k), broader financial services, and healthcare. He leads cross-functional teams that deliver production-grade data lakes, lineage-aware pipelines, and ML-enabled analytics on cloud—translating governance into measurable business outcomes.

Recent speaking includes SQL Saturday Minnesota 2025, where he presented “From Ingestion to Insights: Building Robust Data Pipelines in AWS” to an in-person community audience. He has also contributed to international research forums and science conferences, and is invited to speak at ICDPN-2025 (International Conference on Data Processing & Networking), engaging practitioners and scholars on data engineering, governance, and analytics at scale. Santosh actively publishes/curates work via Google Scholar and shares practical playbooks for data quality, metadata/lineage, and operating models that connect data platforms to financial decisioning.

Beyond delivery, Santosh serves the community as a peer reviewer of scholarly work on data/ML methodologies and as a judge/mentor for select industry and academic competitions, reinforcing peer validation and public recognition. He champions modern data culture—mentoring engineers and product leaders, and advocating automation (incl. AI agents) to elevate reliability, speed, and auditability in regulated environments. Santosh recently completed his Executive MBA, sharpening strategy and value-creation at the intersection of data, risk, and growth

Santosh Durgam is a data engineering & analytics leader with 20+ years building governed, high-scale data platforms across retirement/401(k), broader financial services, and healthcare. He leads cross-functional teams that deliver production-grade da... Show more

Dan Gizzi

Dan Gizzi

Dan Gizzi is a seasoned cybersecurity expert with 26 years of experience in technology and leadership. He believes that cybersecurity isn't just about protection, it's about building trust, enabling growth, and staying ahead in an ever-evolving digital landscape.
Throughout his career, Dan has helped organizations of all sizes navigate risk while unlocking new opportunities. His approach is refreshingly straightforward: cutting through complexity, solving real problems, and building meaningful partnerships.
Dan specializes in bridging the gap between security and business growth, firmly believing that cybersecurity should be a business enabler, not a barrier. His insights have helped countless organizations thrive in today's digital world by transforming their approach to cybersecurity.
With his wealth of experience and practical, strategic approach, Dan offers invaluable insights for any organization looking to optimize their market potential while ensuring robust security measures.

Dan Gizzi is a seasoned cybersecurity expert with 26 years of experience in technology and leadership. He believes that cybersecurity isn't just about protection, it's about building trust, enabling growth, and staying ahead in an ever-evolving digit... Show more

Jacqui Muller

Jacqui Muller

Changing the world, one solution at a time!

Passionate about automation and building a business to support clients on their digitisation/optimisation journeys while working with the youth in preparation for their entry into industry.

Enjoys dabbling in software development, automation, IOT, advanced analytics, data engineering and business intelligence while currently working towards completing a PhD that focuses on automation. Currently focusing on learning how businesses are formed and how the longevity of business functions are maintained.

Competencies include a high level of computer literacy, programming in various languages with newly acquired sales and business acumen.

Changing the world, one solution at a time! Passionate about automation and building a business to support clients on their digitisation/optimisation journeys while working with the youth in preparation for their entry into industry. Enjoys da... Show more

Patrick Ndifon

Patrick Ndifon

Patrick M. Ndifon Jnr. is an innovation strategist, product manager, and ecosystem builder dedicated to shaping Africa’s workforce and startups. Nationally, he serves as Innovation Lead on the Job Creation & Placement team at 3MTT Nigeria, where he designs workforce programs, hackathons, and job initiatives impacting learners across the country. At the state level, he is the Coordinator and Community Manager for 3MTT in Cross River State and the Innovation Ecosystem Development Lead at the Cross River State ICT Hub, a government-backed initiative supporting startups, SMEs, and talent.

Patrick is also the Founder of Hack51 Africa, a competency validation engine helping talent prove their skills through real-world projects, and the Executive Director of PSIFON Org, which supports innovators in achieving product–market fit and accessing new markets. Through ventures like FIRST Labs and Cally Valley, he has helped startups refine products and SMEs connect to Africa’s ₦17 billion export market.

His mission is to future-proof Africa’s workforce and ecosystems while positioning secondary cities like Calabar as globally competitive innovation hubs.

Patrick M. Ndifon Jnr. is an innovation strategist, product manager, and ecosystem builder dedicated to shaping Africa’s workforce and startups. Nationally, he serves as Innovation Lead on the Job Creation & Placement team at 3MTT Nigeria, where he d... Show more

Ramon Barrull

Ramon Barrull

Consultant · Data analysis and business intelligence trainer. Tools used: Power BI, Power Query, Excel. Over 20 years of experience. Microsoft PL-300 Certified.
Speaker at: Power BI & Fabric Summit 2026 · Power Bi Days Barcelona 2025 · Global Power Platform Bootcamp Barcelona 2025 · Christmas Power Platform Euskadi 2024 · Power BI Summer Fest Barcelona 2025
Notable clients: Pirelli, Quadis, Lidl, Bimbo, Wallapop, Tous...

Consultant · Data analysis and business intelligence trainer. Tools used: Power BI, Power Query, Excel. Over 20 years of experience. Microsoft PL-300 Certified. Speaker at: Power BI & Fabric Summit 2026 · Power Bi Days Barcelona 2025 · Global Power ... Show more

Diego Marques

Diego Marques

I am a Country Manager with several years of experience leading companies through the journey of implementing Cloud and modernizing applications to reach the market faster and more securely.

What drives me is working in complex environments with technological and business challenges, where I can present cloud-based solutions that transform companies’ delivery capabilities and positively influence the end customer experience. I’m also passionate about sharing knowledge with as many people as possible. I truly believe that technology can change people’s lives!

I am a Country Manager with several years of experience leading companies through the journey of implementing Cloud and modernizing applications to reach the market faster and more securely. What drives me is working in complex environments with t... Show more

Vitthal Mirji

Vitthal Mirji

Vitthal is a Staff Data Engineer and Software Architect with over 12 years of experience in designing scalable data pipelines, building AI-driven systems, and translating complex business needs into robust technical architecture. He holds deep expertise in data engineering, distributed systems, and backend frameworks. Outside of work, Vitthal is an avid cook, watch aficionado, and enjoys long drives, exploring cultures, and writing about tech & life.

Vitthal is a Staff Data Engineer and Software Architect with over 12 years of experience in designing scalable data pipelines, building AI-driven systems, and translating complex business needs into robust technical architecture. He holds deep expert... Show more

Florian Lutz

Florian Lutz

Working with Microsoft Products since the beginning of Time.
Fell in love with SharePoint in 2007.
Since 2014 M365 is my DNA.

Working with Microsoft Products since the beginning of Time. Fell in love with SharePoint in 2007. Since 2014 M365 is my DNA. Show more

Hridesh Sharma

Hridesh Sharma

I’m an experienced software engineer specializing in AI, cloud-native solutions, and innovative technologies. My expertise includes developing AI-driven applications using Retrieval-Augmented Generation (RAG), AWS, and MLOps practices. I actively mentor learners and professionals, helping them build impactful solutions and effectively harness emerging technologies for growth and innovation.

I’m an experienced software engineer specializing in AI, cloud-native solutions, and innovative technologies. My expertise includes developing AI-driven applications using Retrieval-Augmented Generation (RAG), AWS, and MLOps practices. I actively men... Show more

Jose Verbel Tous

Jose Verbel Tous

José David Verbel es un arquitecto de soluciones cloud y líder en transformación tecnológica con más de 15 años de experiencia. Como Director de Desarrollo, ha implementado exitosamente cultura DevOps y optimizado ciclos mediante metodologías ágiles. Certificado AWS Solutions Architect Associate, integra seguridad, infraestructura como código y prácticas DevOps para acelerar entrega de valor. Participa como mentor en TalentoTECH y MisionTic de MinTIC Colombia, compartiendo conocimiento en desarrollo, cloud y DevOps. Su presencia en DevOpsDays, AWS Summit refleja su compromiso con la innovación tecnológica continua.

José David Verbel es un arquitecto de soluciones cloud y líder en transformación tecnológica con más de 15 años de experiencia. Como Director de Desarrollo, ha implementado exitosamente cultura DevOps y optimizado ciclos mediante metodologías ágiles.... Show more

Lebogang Madise

Lebogang Madise

Lebogang Madise is an Account Technology Strategist at Microsoft, where she drives AI and security strategies for education organizations across Africa, empowering developers and institutions to modernize applications and streamline workflows. As the founder of Difela Hymns, she has digitized African hymns, enhancing accessibility and preserving cultural heritage for global audiences.
A passionate advocate for Women in STEM, Lebogang has been honoured with the Women in STEM Award and Inspiring50 South Africa Award. She is an active IEEE member and champions continuous learning, teamwork, and responsible AI adoption. Her work bridges cutting-edge technology with human impact, from mentoring developers to promoting innovation in education. Lebogang brings her expertise in AI tools like GitHub Copilot and insights on cognitive biases to inspire developers of all levels to code smarter and grow faster.

Lebogang Madise is an Account Technology Strategist at Microsoft, where she drives AI and security strategies for education organizations across Africa, empowering developers and institutions to modernize applications and streamline workflows. As the... Show more

Rachel Roumeliotis

Rachel Roumeliotis

Rachel Roumeliotis, Director, Open Source Strategy, Intel is led by the belief that open source is key to growth and innovation, Rachel is focused on partnering with fellow Intel colleagues to incorporate these tenets into its larger business strategy. She is also working with other companies, foundations, and voices in the open-source community to ensure a strong and sustainable open source ecosystem. Most recently she was Vice President, Content Strategy at O'Reilly Media.

Rachel Roumeliotis, Director, Open Source Strategy, Intel is led by the belief that open source is key to growth and innovation, Rachel is focused on partnering with fellow Intel colleagues to incorporate these tenets into its larger business strateg... Show more

Thierry DEMAN-Barcelo

Thierry DEMAN-Barcelo

MVPx23
MCPx100
Author at @ENIeditions
https://sessionize.com/thierry-deman-barcelo

MVPx23 MCPx100 Author at @ENIeditions https://sessionize.com/thierry-deman-barcelo Show more

Philippe Didiergeorges

Philippe Didiergeorges

Focused on Developer Productivity at Microsoft, Philippe supports his customers on a daily basis in their Platform Engineering implementation with GitHub and Microsoft tools.
Based in Strasbourg, and with 20 years experience in development, he is active community contributor, speaker and meetup organizer. Apart from tech, Philippe is always happy to talk about outdoor sports, CrossFit with a drink.

Focused on Developer Productivity at Microsoft, Philippe supports his customers on a daily basis in their Platform Engineering implementation with GitHub and Microsoft tools. Based in Strasbourg, and with 20 years experience in development, he is ac... Show more

Usama Wahab Khan

Usama Wahab Khan

I am Microsoft MVP and MCT and community leader from UAE. I working as CTO evolution Technologies, Azure community Hero

I am Microsoft MVP and MCT and community leader from UAE. I working as CTO evolution Technologies, Azure community Hero Show more

Jirachai Chansivanon

Jirachai Chansivanon

Consulting Engineering at MongoDB in Singapore and Ex-Microsoft employee with a background in web development who loves to integrate and build various projects, infusing creativity into everything projects.

Consulting Engineering at MongoDB in Singapore and Ex-Microsoft employee with a background in web development who loves to integrate and build various projects, infusing creativity into everything projects. Show more

David "Davalo" Carmona

David "Davalo" Carmona

David Carmona aka "Davalo"

With a strong background in offensive security, David has spent over 6 years helping organizations across various industries strengthen their defenses through real-world attack simulations. As a penetration tester, he specializes in Active Directory attacks, and post-exploitation techniques, focusing particularly on high-impact vulnerabilities and realistic threat scenarios.

David is also the co-organizer of HackGDL, a prominent cybersecurity conference in Guadalajara, Mexico, where he connects security professionals to share cutting-edge research and practical techniques.

In his spare time, David develops open-source offensive security automation scripts and mentors aspiring ethical hackers, helping foster the next generation of cybersecurity talent. He holds certifications such as CRTP & OSWA and continues expanding his expertise through hands-on engagements and community involvement.

David Carmona aka "Davalo" With a strong background in offensive security, David has spent over 6 years helping organizations across various industries strengthen their defenses through real-world attack simulations. As a penetration tester, he s... Show more

Goodnews Sandy

Goodnews Sandy

Sandy is a software developer and open-source contributor with five years of experience in software development, digital innovation, and community engagement. Her background cuts across technology, policymaking, open innovation, and supporting digital transformation across Africa.
She contributes to the open innovation project at Open Science Community Saudi Arabia to make research and educational resources available to marginalised communities and also contributes to The Turning Way Community to research and document ethical and reproducible data science practices. Her dedication to innovation is evident in the high-quality work she produces, and she is committed to ensuring that open source is accessible to all who wish to learn and innovate.

Sandy is a software developer and open-source contributor with five years of experience in software development, digital innovation, and community engagement. Her background cuts across technology, policymaking, open innovation, and supporting digita... Show more

Dariusz Drobisz

Dariusz Drobisz

A PHP developer with 14 years of experience in commercial web application development. For this whole time closely connected with Symfony and everything that is broadly understood as software engineering. Co-founder of the biggest polish PHP community - PHPers, and from the very beginning organiser of these meetups in Silesia region. Actually working as a senior software engineer and team lead in a product oriented company where he tries his best to support the organization in its ongoing evolution and remove obstacles from his team's path.

A PHP developer with 14 years of experience in commercial web application development. For this whole time closely connected with Symfony and everything that is broadly understood as software engineering. Co-founder of the biggest polish PHP communit... Show more

Imam Bashir Abdulwahab

Imam Bashir Abdulwahab

Imam Bashir Abdulwahab
Security Engineer | Open Source Security Advocate

Professional Background
As a security engineer safeguarding APIs in a fintech, I specialize in securing API infrastructures, preventing cyber threats, and ensuring robust authentication and authorization mechanisms. My work focuses on API security architecture, secret management, and threat intelligence, ensuring that sensitive financial data remains protected against emerging cyber threats.

Beyond fintech security, I am also deeply invested in open-source security and developer education. I co-run Open Plus Sec, a YouTube channel dedicated to demystifying open-source security, teaching practical security techniques, and advocating for secure software development. Through my blog, Twenty4 Open Space, I share insights on API security, DevSecOps, and open-source security best practices.

Key Achievements & Contributions
Fintech API Security – Implemented strong authentication protocols, API threat detection, and secret management strategies using HashiCorp Vault.

Community Impact – As the Partnership & Community Manager at the Cybersecurity Education Initiative, I have led nationwide cybersecurity campaigns, impacting millions of individuals in Nigeria, Accra, and Nairobi.

Developer & Security Advocacy – Hosted and spoke at DevFest, Tech4Dev, and Cybersecurity meetups, educating developers on secure coding, API security, and open-source security best practices.

Open-Source Security Contributions – Actively contribute to cybersecurity organizations such as Diary of Hackers, Fezzant, and ISACA Abuja, while mentoring young security enthusiasts.

Let’s Connect
🔹 Blog – twenty4.hashnode.dev
🔹 YouTube – youtube.com/@OpenPlusSec
🔹 Medium – medium.com/@onlybushra6
🔹 X (Twitter) – x.com/@twenty4_io
🔹 Mentorship – dxmentorship.com/mentees/imam-bashir/
🔹 LinkedIn – linkedin.com/in/imambashir

Securing APIs, empowering developers, and advancing open-source security—one step at a time.

Imam Bashir Abdulwahab Security Engineer | Open Source Security Advocate Professional Background As a security engineer safeguarding APIs in a fintech, I specialize in securing API infrastructures, preventing cyber threats, and ensuring robust a... Show more

Elsa Iguedjtal

Elsa Iguedjtal

Convinced Agilist, motivated by small daily victories, amazed by life, and inhabited by the values ​​of the Agile Manifesto centered on people, respect, kindness and continuous improvement. I put my skills and experience at the service of those who share my daily life, but above all I try to make them reveal their own potential, sometimes nuggets that they are unaware of themselves...

Mother of 3 children, neuroatypical, feminist and climate fresco artist.

Convinced Agilist, motivated by small daily victories, amazed by life, and inhabited by the values ​​of the Agile Manifesto centered on people, respect, kindness and continuous improvement. I put my skills and experience at the service of those who s... Show more

Christian Gläser

Christian Gläser

Christian Glaeser: Azure Cloud Architect @ Nordcloud, from Germany

Christian Glaeser: Azure Cloud Architect @ Nordcloud, from Germany Show more

Prajakta Kadam

Prajakta Kadam

Prajakta is a passionate advocate for open source, education, and community empowerment. With a deep commitment to fostering innovation and growth, she has dedicated herself to mentoring and teaching individuals across India, both online and in-person. Prajakta’s work is centered around creating inclusive platforms that allow others to learn, grow, and thrive in the tech ecosystem.

She is the co-founder of Techvalley, a dynamic initiative focused on building a thriving community of tech enthusiasts. As an active mentor and judge, she plays a pivotal role in shaping the next generation of tech talent by guiding students through hackathons and pitching events. Her dedication to education and skill development has also led her to serve as a National Skill Development Corporation mentor, where she helps bridge the gap between education and industry.

Prajakta’s community-building efforts extend to various global and local initiatives. She is a former AngelHack Ambassador, a core member of FOSS United Pune, and a Girlscript Ambassador, where she champions diversity and inclusion in tech. She has also made significant contributions to the blockchain and decentralised tech community as a core member of Dapps.co and Hackers Meet-up.

At her university, Prajakta took the initiative to start Co-Dev, a technical community dedicated to collaboration and growth. She has been an active Microsoft Student Ambassador, connecting students with opportunities and resources, and her leadership in fostering open-source culture has left a lasting impact.

Driven by a passion for empowering others through education, mentoring, and hands-on experience, Prajakta is committed to creating a future where technology is accessible, inclusive, and impactful for all.

Prajakta is a passionate advocate for open source, education, and community empowerment. With a deep commitment to fostering innovation and growth, she has dedicated herself to mentoring and teaching individuals across India, both online and in-perso... Show more

Evelien Acun-Roos

Evelien Acun-Roos

Evelien Acun-Roos is an experienced Knowledge Sharer at Xebia and a Professional Scrum Trainer at Scrum.org. She has a profound knowledge of Agile and Scrum and knows how to transfer that to (Scrum) Teams, their surrounding environment, and their management.

She has helped many organizations become more Agile (Unilever, ING, Rabobank, Vrije Universiteit Amsterdam, APG, Philips, VodafoneZiggo a.o.).

Evelien loves to give training. Since she is a certified trainer for Training From the Back of the Room, her training courses are filled with brain-based learning activities.
At Agile conferences, she shares knowledge about Scrum Values, Liberating Structures, Brain Science, Situational Leadership, Happy Chemicals, building Trust and Happiness, and other ways to Boost your Scrum.

Evelien Acun-Roos is an experienced Knowledge Sharer at Xebia and a Professional Scrum Trainer at Scrum.org. She has a profound knowledge of Agile and Scrum and knows how to transfer that to (Scrum) Teams, their surrounding environment, and their man... Show more

Kevin Evans

Kevin Evans

Kevin Evans is a Cloud Native Leader at Microsoft with over 25 years of experience in the technology sector, specializing in cloud-native architectures and modern application platforms. Widely recognized as a thought leader in the cloud space, he serves as a community leader with the Cloud Native Computing Foundation (CNCF), where he actively contributes to advancing global cloud-native adoption and best practices.

He is the host of the Code to Cloud podcast, where he shares insights on Microsoft cloud solutions, architecture, and technical engineering with developers, architects, and IT leaders worldwide. As the Founder of Code to Cloud, Kevin also drives community growth through events, educational initiatives, and collaborative knowledge-sharing focused on cloud-native innovation.

Passionate about empowering businesses, Kevin is dedicated to helping organizations build secure, scalable, and future-ready cloud foundations—while also inspiring and mentoring the next generation of cloud professionals.

Kevin Evans is a Cloud Native Leader at Microsoft with over 25 years of experience in the technology sector, specializing in cloud-native architectures and modern application platforms. Widely recognized as a thought leader in the cloud space, he ser... Show more

Todd Whitehead

Todd Whitehead

Todd Whitehead ((http://www.twitter.com/TodWhitehead)) is the Director of intelligent Apps and Cloud at Nexwave. He has over 20 years’ experience delivering solutions for clients in the travel, banking, retail and government sectors using .Net, Azure and Agile. In his spare time….well he's still waiting for that to happen.

Todd Whitehead ((http://www.twitter.com/TodWhitehead)) is the Director of intelligent Apps and Cloud at Nexwave. He has over 20 years’ experience delivering solutions for clients in the travel, banking, retail and government sectors using .Net, Azure... Show more

Clément Raussin

Clément Raussin

I have been passionate about development since I was very young, with over eight years of deep involvement in the cloud-native ecosystem.
After applying my expertise at the highest levels of the French government, I joined Qim info as Head of the Cloud & DevOps at Qim info in Switzerland.
My role is to support cultural and technological transformations to overcome the challenges of Cloud and DevOps.

I am the founder of Photon, a globally recognized iPad application for managing lighting in cinema, concerts, and theater.
I combine technical expertise with a strong understanding of artistic needs to deliver innovative and high-performance lighting management solutions.

I have been passionate about development since I was very young, with over eight years of deep involvement in the cloud-native ecosystem. After applying my expertise at the highest levels of the French government, I joined Qim info as Head of the C... Show more

Scott Reed

Scott Reed

Scott's career in software began in 1993 at IBM. Along the way he has developed enterprise solutions for both Microsoft and Cardinal Health. In 2006, Scott began training companies all over the world in Microsoft development and later cloud technologies. In 2014 he formed Crafting Bytes, a small software studio and consulting firm. He leads teams of software engineers, data-engineers, software architects, cloud architects and Dev-Ops engineers to deliver quality software into the hands of users in the most efficient way possible. He is a partner with Solliance, and speaks at conferences and user groups on a variety of software engineering and AI engineering topics. He is the chair of the Software Architecture User Group in San Diego.

Scott's career in software began in 1993 at IBM. Along the way he has developed enterprise solutions for both Microsoft and Cardinal Health. In 2006, Scott began training companies all over the world in Microsoft development and later cloud technolog... Show more

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