Work
Projects
Products I've built and led at Earthchain, and things I make for myself, mostly on and around boats.
Sustainability
Carbon Intelligence Platform
Earthchain's platform for turning everyday business data into auditable emissions figures, with an AI assistant built in.
Payments
Twenty years in payments technology
Card authorisation systems, payments testing and mission-critical platforms for international financial institutions, 2002–2021.
AI
Least-privilege AI tooling: the SIGNALS MCP server
Giving an AI assistant read/write access to exactly one spreadsheet and nothing else.
Marine
Sail Forecast
A rolling 14-day view of which days are actually worth going sailing, with tide-safe passage plans.
Marine
Real-world ship traffic in X-Plane 12
A native C++ plugin that puts live AIS vessel positions into the flight simulator as 3D ships.
Marine
Smart helm: NMEA 2000 instruments on a rotary knob
Turning a 1.3" round rotary display into a reconfigurable boat instrument, from sensor to CAN bus to screen.
Working on something in fintech, AI or climate?
I help founders and teams shape products, untangle architecture and get to market. Short advisory calls or hands-on engagements.