$ whoami
about
In 2021 I co-founded the Green Software Foundation and ran it as Executive Director until 2026 (growing it into a non-profit consortium of 70+ member organisations) all pointed at one goal: software with zero harmful environmental impacts. We built the standards, the tooling and the practices to get there.
I've been building software since I was eleven. More than twenty years of that professionally, at the European Space Agency, Intel, Microsoft, Morgan Stanley and JP Morgan.
I keynote and speak at conferences on collective intelligence, digital democracy and building with AI (watch my talks or read my speaker rider). I'm regularly interviewed by press and media too (find my previous interviews here).
I gave a decade to making the software industry care about its environmental cost. We made a real dent. We did not finish. And the deeper I went, the more I saw that sustainability is only one face of a much larger problem.
from mitigation to adaptation
Green software was never about not using technology, it's about using it responsibly. An engineer has to understand a machine before they can build with it well, and that's all I was ever asking of our industry, that we understand software's true cost and design around it.
Spend long enough looking and you start to see the bigger machine underneath, the machine of society. The same failure keeps surfacing in different places. A climate we cannot stabilise, democracies that no longer bend, wars that will not end, vast incumbents in food and medicine that resist any change. They are not separate crises. They are one problem wearing different masks.
Sustainability taught me there are two ways to answer a shock. You can mitigate, stopping the harm at its source. You can adapt, building the resilience to absorb what is already coming. I gave my last decade to mitigation. I'm giving the next one to adaptation.
the edge of chaos
Every living system survives in a narrow band between too much order and too much chaos. Too rigid and it cannot adapt, too loose and it falls apart. I've come to believe that protecting that band, the edge of chaos, is the work underneath all the others. I'm still forming the thesis.
I think technology, AI included, can be how we build that resilience at the scale the moment needs. It hands one person the kind of leverage that used to belong only to institutions.
People overestimate what they can do in a year and underestimate what they can do in a decade. My last one started as the eight principles of green software and grew into a global consortium, ISO standards and hundreds of thousands of engineers who now build differently. I don't yet know the full shape of the next decade. This site is me working it out in the open.
$ books
$ courses
codecraft.tv
My hands-on video courses for developers.