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The future is built on trust

Telesign, a part of the Proximus Group, provides Continuous Trust™ to leading global enterprises by connecting, protecting, and defending their digital identities. Telesign verifies over five billion unique phone numbers a month, representing half of the world’s mobile users, and provides insights into the remaining billions. The company’s powerful machine learning and extensive data science deliver identity risk recommendations with a unique combination of speed, accuracy, and global reach. Telesign solutions provide fraud protection, secure communications, and enable the digital economy by helping companies and customers to engage with confidence.

Leaders in digital identity and programmable communications

Founded in 2005 by Darren Berkovitz, Ryan Disraeli, and Stacy Stubblefield, we connect, protect, and defend online experiences with sophisticated digital identity and programmable communications solutions. Through APIs that deliver user verification, data insights, and communications worldwide we solve today’s unique customer challenges by bridging your business to the complex world of telecommunications.

    Core Value


    Telesign exists to make the digital world a more trustworthy place for everyone. Through passion and purpose, our team is driven to make that dream a reality. We are focused and compelled by our people-centric mission; this is what sets us apart from other organizations. We are deeply committed to people — from the communities we work in, colleagues we work with, the customers we serve and their consumers who we help connect, protect and defend.

    Core Value


    At Telesign, we bring our full, authentic selves to work. We understand the impact we have within the larger organization, which is why we work hard to lift each other up. We are accountable, strategic, respectful, diverse and purposeful. We take ownership, speak with candor, and bring our best — both to our projects and to our teams — in every moment. We make our work enjoyable every day.

    Core Value


    The Telesign team creates opportunities. We show up every day with a can-do mentality and lean into curiosity and inclusivity. We avoid complacency and strive to innovate, iterate, and learn from each other’s diverse perspectives. We are proactive and ready to leave our comfort zones in order to grow.

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    Core Value


    Every Telesign team member counts, and we all count on each other. We perform better with a foundation of trust; therefore, we are open and honest with each other. We strive to work collaboratively and bring out the best in one another. We may be positioned around the world, but we move as one unified team to reach our goals.

They trust you. You can trust us.


of the largest brands in the world trust us.


countries and territories with coverage.


patents all over the world.

Executive leadership

  • Christophe Van de Weyer portrait picture
    Christophe Van de Weyer
    Chief Executive Officer
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  • Thomas Dhondt
    Chief Financial Officer
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  • Kristi Melani
    Chief Marketing Officer and GTM Strategy
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  • Cynthia Ng
    Chief Legal Officer
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  • Nenad Vucinic profile photo
    Nenad Vucinic
    General Manager, Belgrade
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  • Mark Hydar portrait picture
    Mark Hydar
    Chief Technology Office
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  • Katie Trujillo profile picture
    Katie Trujillo
    Chief of Staff & Transformation
  • Telesign logo over light grey background
    Geoffrey Friederich
    Chief People Officer
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