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Barry O'Reilly
Black Tulip Technology
Speaker at GOTO Copenhagen 2025

At Barry’s talk, you will learn about Residuality Theory, a new approach to software design that uses complexity science to manage uncertainty and model systems as interconnected residues. Join his 2-day masterclass to dive deeper into managing uncertainty, reducing risk, and improving decision-making with Residuality Theory. The masterclass covers stressor analysis, matrix-based decisions, and connects architecture to broader societal factors, with hands-on practice in labs and group activities.

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Talks at GOTO Copenhagen 2025

Masterclasses at GOTO Copenhagen 2025

Barry is a veteran Architect who has held Chief Architect positions at Microsoft among others. He has also been a startup CTO, the Worldwide Lead for the Solutions Architecture Community at Microsoft, and founder of the Swedish Azure User Group. He is also a PhD candidate in software design and complexity science.

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