Antonietta Mastroianni

Career arc

1. CIO e& UAEJan 2026 — Present

   e& UAE· Dubai, United Arab Emirates· Full-time
2. Board ObserverFeb 2023 — Present

   Lumine Group· Toronto, Ontario, Canada· Part-time
3. Chairwoman of the BoardApr 2022 — Dec 2025

   Proximus Ada· Brussels Metropolitan Area
4. Member of the Board of Directors and VC FinanceJun 2021 — Dec 2025

   GGaia-X Association for Data and Cloud (AISBL)
5. Chief Digital & IT OfficerApr 2021 — Dec 2025

   Proximus· Brussels Region, Belgium· Full-time
6. IDC CIO and Telecom Summit Advisory BoardDec 2020 — Oct 2022

   IDC | Nordic
7. Group CIOApr 2019 — Mar 2021

   TDC Group· Copenhagen Area, Capital Region, Denmark
8. Chief Digital and IT OfficerJun 2018 — May 2019

   TDC Group· Copenhagen Area, Denmark
9. Management Board and Council memberMar 2018 — Dec 2025

   EETIS - The Community of Telecom Professionals· Brussels Metropolitan Area
10. Executive Vice President, ITJul 2017 — Jun 2018

    TDC Group· Copenhagen Area, Denmark
11. Head of IT and DigitalOct 2015 — Jun 2017

    Sunrise Communications AG· Zurich, Zurich, Switzerland
12. Director, Business Partner ManagementOct 2013 — Oct 2015

    Sunrise Communications AG· Zurich, Zurich, Switzerland
13. Senior Manager Corporate Project & Portfolio MgmtOct 2012 — Oct 2013

    Sunrise Communications AG· Zurich, Zurich, Switzerland
14. Value Creation Program Office, IT, Network and Customer ServiceOct 2010 — Oct 2012

    Sunrise· Zurich, Zurich, Switzerland
15. Senior Business Manager, Product developmentJul 2007 — Oct 2010

    Sunrise· Zurich, Zurich, Switzerland

Education

• Università degli Studi di Siena
  Master of Science · Master of Science in Computer and Automation Engineering2000
• Cefriel
  · Telecommunications2001 — 2001
• London Business School
  · Negotiating and Influencing skills for senior leaders2015 — 2015

About

Antonietta Mastroianni is a visionary and influential IT leader with over 20 years of international experience in IT, Digital and Telecommunications industry. She is the Chief Digital & IT Officer at Proximus, the largest provider of telephony, internet, television and network-based ICT services in Belgium, where she leads the Digital, IT and Data Transformation, a key pillar of the company's strategy. Antonietta is passionate about leveraging technology to deliver business value, customer satisfaction, and social impact, as well as fostering a culture of collaboration, diversity, and inclusion. She has a proven track record of driving innovation, efficiency, and agility in complex and competitive environments, as well as enabling new revenue streams and business models with 5G, cloud, an

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