Principal engineer and engineering leader. 20+ years shipping distributed systems, leading teams through hypergrowth, and building production AI.
Currently building Lincoln — an experimental cognitive architecture on Elixir/OTP exploring belief revision, persistent memory, and emergent agent behavior.
- Lincoln — Cognitive substrate with belief revision semantics on Elixir/OTP. Five supervised processes maintain persistent beliefs, detect contradictions, and develop differential interests based on tunable attention parameters.
- Nexus — Shared memory layer for multi-agent AI systems. MCP platform with semantic documentation search across 100+ libraries, deployed on Cloudflare Workers.
- Yogan Hockey (source) — Real-time NHL/DEL stats dashboard with AI predictions. GenServer army, ETS caching, dozens of concurrent users on a $5/month Fly.io instance.
- PuckPro — Browser-based hockey shot analysis. MediaPipe pose detection at 30fps in-browser, Claude Vision for coaching feedback.
- Fizzy Do MCP — 70+ MCP tools for Basecamp's Fizzy. AI-native project management through conversation.
- Omarchy Monitor Settings — TUI for Hyprland/Wayland monitor configuration. Go, Bubbletea, 80+ tests.
Scaled Procore's UI engineering organization from 8 to 65+ engineers through its IPO. Coined "Empathy Driven Development." Founded the Procore Developer Academy.
Previously: HG Insights, Sonian (acq. Barracuda), PEAK6 Investments.
I write about AI systems, developer experience, and building teams at ryanyogan.com.
- Web: ryanyogan.com
- LinkedIn: in/ryanyogan
- Twitter: @ryanyogan
- Hire me: yogan.dev





