The gathering kicks off in

InnerSource Gathering London 2025


Join us for an evening of conversation, community, and code as we explore InnerSource’s power in driving cross-team collaboration and better developer experiences. Hosted in partnership with InnerSource Commons, this meetup brings together thought leaders and practitioners from GitHub, BBC, and Port to share real-world insights, patterns, and stories of InnerSource in action.

Schedule
  • 17:30

    Welcome drinks & networking

  • 18:00

    InnerSource Patterns in Practice

    Tom Sadler - Tom Sadler, Principal Software Engineer, BBC

    InnerSource patterns are a great resource provided by the InnerSource Commons. They describe real world solutions to real world InnerSource problems, and enable the community to learn from each other and contribute to industry standard InnerSource practices. This talk will examine some of the InnerSource patterns implemented by the BBC Connected TV Applications teams, and what this looks like in practice. How has the implementation of a pattern changed compared to the reference? Does this change over time? Has the pattern provided the benefits we expected? How have these practices worked in an Agile environment? Answering these questions will help with the practical application of InnerSource patterns, and inform how to iterate on our InnerSource practices.

  • 18:30

    Unleashing InnerSource with GitHub

    Damien Hardy, Senior Service Delivery Engineer, GitHub

    What does it take to create the right conditions for Innersource to thrive? In this talk, we’ll explore how GitHub can act as more than just a code host -becoming a catalyst for cultural and operational change. Drawing on lessons from enterprise-scale transformations, Damien will share reflections on enabling collaboration at scale, removing friction, and unlocking the hidden potential within your developer ecosystem. No silver bullets - just a fresh perspective on what’s already possible.

  • 19:00

    Break & refreshments

  • 19:30

    Platform Engineering and InnerSource: The Separated Twins Finally Reunited

    Sébastien Blanc, Developer Relations Engineer, Port

    InnerSource has been quietly shaping engineering culture for years -laying the groundwork for collaboration, reuse, and autonomy across teams. More recently, platform engineering has emerged with a similar mission, but from a different angle. Though their paths have long run in parallel, the connection between them has often been under-explored. In this session, we’ll reflect on how these two disciplines are beginning to converge, explore the shared principles that underpin their success, and consider how their reunion is reshaping the way teams collaborate, build, and share. This isn’t a deep dive into tools or implementation, but an invitation to rethink boundaries - and perhaps rediscover what’s been hiding in plain sight.

  • 20:00

    Post-drinks & community hangout

  • 20:30

    Optional informal social nearby 🍻

Speakers

Damien Hardy

Damien Hardy

Damien is one of GitHub’s InnerSource SMEs and the creator of its InnerSource enablement training. He has supported major InnerSource transformations across a range of large enterprises. Outside of work, he’s currently learning Urdu!

Sébastien Blanc

Sébastien Blanc

Sébastien is a passionate developer with a love for live coding and high-energy, hands-on talks. At Port, he champions developer experience and open collaboration. A long-time advocate of InnerSource, he brings humour, clarity, and practical insight to every session.

Tom Sadler

Tom Sadler

Tom Sadler is a Principal Software Engineer at the BBC, working with a number of teams on open source and InnerSource practices, and a regular conference speaker. He is also a Member and Assistant Treasurer of the InnerSource Commons Foundation.

BBC Broadcasting House Langham St
May 18, 2025

BBC Broadcasting House Langham St, London W1B 3DF, UK

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Connect

A community rooted in the region. Connect with InnerSource practitioners and people interested in InnerSource in Japan.

Practitioner Insights

Hear case studies from companies that have actually built an open and transparent development culture within their organizations.

Globally Expanding
Community

The Gathering is connected not only to the local community but also to InnerSource communities around the world. It’s an opportunity to open the door to exchanges with practitioners worldwide.