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Welcome to CIONET Belgium

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Upcoming Events

 
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Belgium 30-9-25 Squad Only Virtual english

Technical Debt: When to Pay It and When to Walk Away ; Making smart trade-offs between progress, maintenance, and risk

Everyone has technical debt. The question is what to do with it. Refactor now? Wait for the next feature? Build on it and hope it holds? If you’re tired of debating whether to clean up or move on, this session helps you frame the debt conversation in a way that supports both speed and stability.

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Belgium 1-10-25 Invitation Only Physical english

Telenet Business Leadership Circle - Legacy & Lifecycle Management

In today’s rapidly evolving technological landscape, organisations face a critical challenge: how to modernise their legacy systems while managing costs, maintaining security, and ensuring operational continuity. This exclusive round table discussion brings together CIOs, CTOs, and Digital Leaders to explore best practices for legacy and lifecycle management. Key topics include extending the lifespan of existing systems, mitigating cyber security risks, optimising costs, and integrating legacy platforms with modern technologies. We’ll also delve into sustainability, workforce challenges, and future-proofing IT infrastructures to navigate technological obsolescence.

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Belgium 2-10-25 Squad Only Virtual english

The Career Path of the Architect ;Great architecture begins with great architects

Architecture doesn’t happen in diagrams. It happens in minds, seasoned, curious, sharp minds that understand how the pieces fit. But who’s shaping these minds? Who’s growing the next generation of digital architects? If you’re responsible for complex systems, and for the people designing them, this session is for you.

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Upcoming TRIBE Events

 
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September 30, 2025 Squad Session Squad Only Virtual english

Technical Debt: When to Pay It and When to Walk Away ; Making smart trade-offs between progress, maintenance, and risk

Everyone has technical debt. The question is what to do with it. Refactor now? Wait for the next feature? Build on it and hope it holds? If you’re tired of debating whether to clean up or move on, this session helps you frame the debt conversation in a way that supports both speed and stability.

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October 2, 2025 Squad Session Squad Only Virtual english

The Career Path of the Architect ;Great architecture begins with great architects

Architecture doesn’t happen in diagrams. It happens in minds, seasoned, curious, sharp minds that understand how the pieces fit. But who’s shaping these minds? Who’s growing the next generation of digital architects? If you’re responsible for complex systems, and for the people designing them, this session is for you.

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October 14, 2025 Squad Session Squad Only Virtual english

Agile Infrastructure ; How to build technical foundations that don’t slow you down

Agile delivery often collides with inflexible infrastructures. One team wants to release weekly. Another is waiting six months for a new test environment. Sounds familiar? If your infra team is tired of being the bottleneck, and your devs are tired of waiting, this session opens a path forward.

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CIONET Partner Updates

CIONET Partner Updates

Recent Cases

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GPT-4 deepens the conversation on Duolingo.

“Artificial intelligence has always been a huge part of our strategy,” says principal product manager Edwin Bodge. “We had been using it for personalizing lessons and running Duolingo English Tests. But there were gaps in a learner’s journey that we wanted to fill: conversation practice, and contextual feedback on mistakes.”

Three mobile screens of the Duolingo app.

 

 

Over 50 million learners rely on Duolingo every month to teach them a second language. With a simple user interface and fun-but-competitive leaderboards, Duolingo supports 40 languages across 100+ courses. Learners advance from simple vocabulary exercises to complicated sentence structures with taps and swipes on their phone. 

If a learner wants to advance beyond basic proficiency, it’s helpful to understand the rules of grammar. But true proficiency in a language requires conversation, ideally with a native speaker, something not everyone has access to. 

“Artificial intelligence has always been a huge part of our strategy,” says principal product manager Edwin Bodge. “We had been using it for personalizing lessons and running Duolingo English Tests. But there were gaps in a learner’s journey that we wanted to fill: conversation practice, and contextual feedback on mistakes.”

 

 

DuolingoMax mobile screens

 

 

Duolingo turned to OpenAI’s GPT-4 to advance the product with two new features: Role Play, an AI conversation partner, and Explain my Answer, which breaks down the rules when you make a mistake, in a new subscription tier called Duolingo Max. 

“We wanted AI-powered features that were deeply integrated into the app and leveraged the gamified aspect of Duolingo that our learners love,” says Bodge.

Duolingo engineers had tried using GPT-3 to supplement some of the human-powered features in its earlier chat feature. “It was close to being ready,” said lead engineer Bill Peterson, “but we didn’t feel it was at the point where we could confidently integrate it to handle the complex automated aspects of chats.” 

Previously, Duolingo attempted to “chat” with learners through scripted conversations incorporating classic scenarios like ordering food, meeting someone for the first time, or buying a plane ticket. But Bodge says what Duolingo needed was the ability to converse with learners in niche contexts and “immersively”—to have a free-flowing conversation about basketball or the bliss of reaching the top of a mountain. GPT-4 has learned from enough public data to create a flexible back and forth for the learner.

“We wanted AI-powered features that were deeply integrated into the app and leveraged the gamified aspect of Duolingo that our learners love.”
Edwin Bodge, Principal Product Manager, Duolingo
 
 
Duolingo Max Roleplay

 

 

There is a best practice in language learning called “implicit learning.” Learning through repeated use of vocabulary and grammar in an array of contexts—in other words, through practice—is more effective than memorizing rules. This posed an interesting challenge to Duolingo.

Many of Duolingo’s learners want to learn the explicit rules, and the company has tried to teach them with both pre-written Grammar Tips and artificial intelligence. Even with GPT-3, the implementation was difficult. Teaching grammar requires a specific understanding of the error and why a learner made it. One incorrect term in the explanation could teach the concept incorrectly or leave the user confused and dissatisfied. 

“GPT-4 gives us far more confidence in the accuracy of AI responses in Explain my Answer,” says Peterson.

With the new features, earners will be able to click “Explain my answer”, and GPT-4 will give an initial response. From there, the learner can return to the lesson, or get further explanation, and GPT-4 can dynamically update. Duolingo will gauge the quality of GPT-4’s responses by how deep the learner needs to go before returning to the lesson.

 

 

Duolingo Max Explain My Answer

 

 

The team sees the potential with GPT-4 to provide a more effective and engaging learning experience than ever before, which should improve learning outcomes. In addition, Peterson says the ease of experimenting with GPT-4 has simplified the entire engineering process. 

“Within a day we were able to build a prototype that convinced us this was something we wanted to explore more. It gets us from zero-to-ninety-five percent very quickly. Then we can work manually, hand tuning data to get the last five percent,” he says. 

Now his team focuses more on testing and honing data sets.

“It’s definitely changed our engineering process internally. And the features we’ve put together have come out faster than they would have before GPT-4.”
Bill Peterson, Lead Engineer, Duolingo

Duolingo Max is available to users today. For now, Duolingo is using these new features in Spanish and French, with plans to expand to more languages and introduce new features that will keep them at the forefront of language learning.

Technologies

OpenAI's GPT-4

CIONET Circles

CIONET Business Circles

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Healthcare Circle

Digital Transformation is redefining the future of health care and health delivery. All stakeholders are convinced that these innovations will create value for patients, healthcare practitioners, hospitals, and governments along the patient pathway. The benefits are starting from prevention and awareness to diagnosis, treatment, short- and long-term follow-up, and ultimately survival. But how do you make sure that your working towards an architecturally sound, secure and interoperable health IT ecosystem for your hospital and avoid implementing a hodgepodge of spot solutions? How does your IT department work together with the other stakeholders, such as the doctors and other healthcare practitioners, Life Sciences companies, Tech companies, regulators and your internal governance and administrative bodies?

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Telenet Business Leadership Circle

The Telenet Business Leadership Circle powered by CIONET, offers a platform where IT executives and thought leaders can meet to inspire each other and share best practices. We want to be a facilitator who helps you optimise the performance of your IT function and your business by embracing the endless opportunities that digital change brings.

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Les Rencontres

Découvrez la dynamique du leadership numérique aux Rencontres de CIONET, le programme francophone exclusif de CIONET pour les leaders numériques en Belgique, rendu possible grâce au soutien et à l'engagement de nos partenaires de programme : Deloitte, Denodo et Red Hat. Rejoignez trois événements inspirants par an à Liège, Namur et en Brabant Wallon, où des CIOs et des experts numériques francophones de premier plan partagent leurs perspectives et expériences sur des thèmes d'affaires et de IT actuels. Laissez-vous inspirer et apprenez des meilleurs du secteur lors de sessions captivantes conçues spécialement pour soutenir et enrichir votre rôle en tant que CIO pair. Ne manquez pas cette opportunité de faire partie d'un réseau exceptionnel d'innovateurs numériques !

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Female Leadership Circle

CIONET is committed to highlighting and celebrating female role models in IT, Tech & Digital, creating a leadership programme that empowers and elevates women within the tech industry. This initiative is dedicated to showcasing the achievements and successes of leading women, fostering an environment where female role models are recognised, and their contributions can ignite progress and inspire the next generation of women in IT. Our mission is to shine the spotlight a little brighter on female role models in IT, Tech & Digital, and to empower each other through this inner network community.

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Check out our latest news

Testimonials

Geert Goethals
Geert Goethals
CIO
Sibelga
Bahadir Samli
Bahadir Samli
CIO
ING Belgique
2-Feb-29-2024-11-35-00-9309-AM
Bart Kerkhofs
Vice President & Head of IT
Bridgestone EMIA
Untitled design (1)-Apr-01-2022-10-58-34-57-AM
Michał Paprocki
Group CIO
Euroclear
1-Feb-29-2024-11-34-59-8990-AM
Manfred Boudreaux-Dehmer
Chief Information Officer
NATO
Untitled design-Nov-22-2023-08-42-05-3178-AM
Annick Faes
Vice President IT and CIO Medical Devices EMEA
Johnson & Johnson
Piet_De_Ceuleners
Piet De Ceuleners
Global IT Director
Melexis
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Dirk De Bevere
Large Enterprise Sales Leader
Telenet Business
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Stef Schampaert
Country Managing Director BeLux
Red Hat
CIONET Belgium - Advisory Board Member - Geert Lejon
Geert Lejon
Vice President Head of Belux / Head of Comms Benelux
Cognizant
Kevin_Ledegen
Kevin Ledegen
Group IT director
SDWorx
Gunter-Van-Craen_Small
Gunter Van Craen
Chief Digital & Information Officer
Bekaert
Thomas Kessler
Thomas Kessler
Partner | CIO Programme Leader
Deloitte
Emmanuel Gob
Emmanuel Gob
CIO
DPD
pascal pauwels
Pascal Pauwels
CIO
Colruyt
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Koen Segers
Managing Director Belgium and Luxembourg
Dell Technologies
benoit dewaele
Benoît Dewaele
Group IT Directo
Vandemoortele
Dirk Deridder-1
Dirk Deridder
CTO - Technology Services & Practices
SMALS
Thierry Driesens
Thierry Driesens
CIO
TVH
Untitled design-Sep-18-2023-11-59-29-7866-AM
Koen Vandaele
CIO
Delen Private Bank
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Liesbet D'hoker
Managing Director
Kyndryl BeLux
steven-vermeulen
Steven Vermeulen
CIO
Digitaal Vlaanderen
Jack Hamande
Jack Hamande
Director General Digital Transformation
Federale Overheidsdienst Beleid en Ondersteuning
Tom Tomczak
Tom Tomczak
Chief Commercial Officer (CCO)
NRB
1726588748718
Cassandre Laurent
Directeur général
Agence du Numérique
an swalens
An Swalens
Head Of IT (CIO)
National Bank of Belgium
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Elke Laeremans
Chief Digital & Supply Chain Officer at Casa International
CIONET Belgium - Advisory Board Member - Koen Van Loo
Koen Van Loo
CIO
Group S.
Peter Sany
Peter Sany
Executive Advisor
Zoom
CIONET Belgium - Advisory Board Member - Steven De Haes
Steven De Haes
Dean
Antwerp Management School
Marleen Thorré
Marleen Thorré
Head of Digital EMEA
Mitsubishi Chemical Group
christel-plessers
Christel Plessers
Head of IT European Markets
Mercedes-Benz Europe
bauduin cor
Baudouin Corlùy
Chief Market Development Officer
LCL Data Centers

Team

Luc Hendrikx
Luc Hendrikx
Partner - CEO
Inès De Bien
Inès De Bien
Partner - CCO
1-Feb-08-2022-10-22-08-68-AM
Daniel Eycken
Partner - COO
Hendrik Deckers
Hendrik Deckers
Partner - Founder
Untitled design (1)-2
Jelte Scheys
Tribes Sales Director Belgium
foto Herman
Herman Roelandts
Tribe Master
Joseph Antoun
Joseph Antoun
Senior Programme Director
1-Dec-16-2021-02-15-57-02-PM
Eman De Sutter
Programme Manager
4-Feb-08-2022-10-22-09-03-AM
Shelly Deracourt
Programme Manager
Untitled design (5)-Sep-01-2022-02-47-55-60-PM
Charlotte Coen
Partner Success Manager
Untitled design (1)-Nov-22-2023-08-56-42-6802-AM
Ivana Bradvica
Programme Manager
ML B-W-1
Martine Lefevre
Financial Controller
Vlera Berishaa (1)
Vlera Berisha
Community Manager
Phaedra Vanhaeren
Phaedra Vanhaeren
Programme Manager

Contact us

Would you like to know more about CIONET Belgium, membership or partnership opportunities? Do you have feedback or any other question? Send us a message!