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25 June 2026 | London, England
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Note: The schedule is subject to change.

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Thursday June 25, 2026 12:00 - 12:35 BST
Financial institutions operate under intense pressure to modernise their engineering practices while maintaining robust governance, security, and regulatory compliance. As technology estates grow and teams become more distributed, organisations face recurring challenges: duplicated effort, slow delivery, inconsistent standards, difficulty sharing knowledge, and fragmented developer experience. InnerSource – applying open source principles inside the enterprise - offers a powerful way to address these issues. But adoption is often uneven, misunderstood, or difficult to scale without clear structures and tangible evidence of value.

This joint session from NatWest and Citi presents practical guidance for how financial institutions can successfully adopt and scale InnerSource in a regulated environment. We combine real case studies, OSPO-led enablement approaches, patterns derived from the InnerSource Commons, and a value metrics framework that quantifies InnerSource’s impact across teams and platforms.

Participants will walk away with practical frameworks, proven patterns, and next steps for joining and contributing to the InnerSource SIG.
Speakers
avatar for Pooi Cheong

Pooi Cheong

OSPO - Principal Engineer, NatWest Group
Pooi is passionate about leveraging the power of Open Source to unlock organisational potential and drive transformation. She believes that Open Source culture enables organisations to unite diverse talents to create innovative solutions that delivers great customer experiences.
... Read More →
avatar for Chamindra de Silva

Chamindra de Silva

Solutions Architect, Citi
Technical Product Owner and Solution Architect working at Citi with 20+ years of experience on product engineering for the Banking, Education, ISV and NGO Sectors. Working on GenAI, Open Source and InnerSource projects lately at Citi. Recipient of Free Software Foundation award for... Read More →
Thursday June 25, 2026 12:00 - 12:35 BST
Abbey - 4th floor

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