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Exclusive Event

Product Evenings LDN: Building Apps to Connect Billions

Join us in London for a rare inside look at how WhatsApp is building AI-powered products for over two billion users around the world.

  • BrainStation London
  • Thu, Jun 26, 2025
  • 2025-06-26T17:00:00.0000000Z  –  2025-06-26T18:30:00.0000000Z
  • Almost Sold Out
Reserve My Spot
  • Bruna Zacka

    Bruna Zacka

    AI for WhatsApp

Bruna Zacka

AI for WhatsApp

WhatsApp

Join Bruna Zacka, AI Product Lead at WhatsApp, for a conversation about what it takes to build products that serve billions. From driving AI innovation to designing for global accessibility, Bruna will share how her team creates personalized, resilient experiences at scale, redefining what it means to build technology that’s fast, inclusive, and truly world-ready.

  • Bruna Zacka

    Bruna Zacka

    AI for WhatsApp

    Bruna Zacka leads AI-driven product development at WhatsApp, focusing on scalable solutions that serve a truly global user base. With experience in shipping complex features across language, bandwidth, and device limitations, she works at the intersection of accessibility, automation, and real-time messaging.

Exclusive Event

Event Overview

What does it mean to build products for more than 2 billion users? In this session, Bruna Zacka shares how the product development team at WhatsApp approaches global scale, from AI-driven personalization to building resilient experiences across diverse regions, devices, and user needs.

  • 01

    Designing for Everyone, Everywhere

    Bruna explores how WhatsApp's product philosophy ensures usability across languages, cultures, and connectivity levels. Learn how constraints inspire innovation when you're designing for billions.

  • 02

    AI Meets Messaging: Personalization at Scale

    Discover how AI is powering better user experiences across WhatsApp, from automation and content understanding to smart replies and assistant tools that adapt to different communication styles.

  • 03

    Building Resilience Into the Core

    At global scale, reliability is everything. Bruna shares how the team designs for stability across devices, geographies, and infrastructure, ensuring WhatsApp works even when networks don’t.

Details of the Evening

What's Included

  • Gourmet Light Refreshments – Enjoy a curated selection of artisanal bites and small plates, perfect for connecting with colleagues.
  • Settle in for easy conversation and good company in a warm, welcoming space. With a thoughtful selection of beer and wine on hand, it’s the perfect backdrop for winding down or catching up.

Have dietary restrictions?

To ensure we can accommodate your dietary needs, please inform us at least 48 hours before the workshop start date.

How to Get Here

BrainStation London

55-57 Rivington Street, London

Get Directions

  1. Finding Your Way

    Located 5 minutes from Old Street station or 10 minutes from Liverpool Street station.

  2. Entering The Building

    Enter through the black gates on Rivington St and look for the BrainStation signs.

  3. Once You're Inside

    Our staff will be there to greet you at the campus reception.

London Map

Get Started

Reserve Your Spot

Join industry professionals who will guide you toward starting and building a career in tech.

  • BrainStation London
  • Thu, Jun 26, 2025
  • 2025-06-26T17:00:00.0000000Z  –  2025-06-26T18:30:00.0000000Z
  • Almost Sold Out
Reserve My Spot

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Jun 25

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Join us for an exclusive behind-the-scenes look at how the WhatsApp team refreshed the visual experience of 3 billion users.

  • 6:00 PM - 7:30 PM BST
  • 55-57 Rivington Street, London
  • £25
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Discussion Topics:

  • Designing for Billions
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Jun 25
Design Evenings LDN Keeping WhatsApp Fresh, Simple, and Approachable

Join us for an exclusive behind-the-scenes look at how the WhatsApp team refreshed the visual experience of 3 billion users.

  • 6:00 PM - 7:30 PM BST
  • 55-57 Rivington Street, London
  • £25
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Discussion Topics:

  • Designing for Billions
  • Brand in Product
  • Cross-Disciplinary Collaboration
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Join us for an engaging evening with Varun Gujjanudu, Product Lead for Content Management at YouTube, as he delves into why trust is emerging as the most valuable currency in product leadership.

  • 6:00 PM - 7:30 PM BST
  • 55-57 Rivington Street, London
  • £25
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Discussion Topics:

  • Building for Billions Without Breaking Trust
  • Leading With Principles in the Age of AI
  • Trust as a Product Strategy
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Join us in London for an inside look at how Wise is scaling across 70+ markets without losing local relevance.

  • 6:00 PM - 7:30 PM BST
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  • £25
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Head of SEM and Paid Growth Lead

Discussion Topics:

  • Scaling Paid Growth Without Losing the Signal
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Join us in London for an inside look at how Wise is scaling across 70+ markets without losing local relevance.

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  • 55-57 Rivington Street, London
  • £25
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