An atlas
of useful things.
A path through developer platforms, applied AI, and product work.
I’m Gareth. Here’s
the terrain so far.
Seven chapters, one continuing practice.2009 → present
From the career atlasSelected chapter
Poe / Quora
2024–present · Chapter 07Product Lead, AI · Turning model behavior into useful products
Choose a clay marker to explore the route.
Seven chapters, joined by a thread.
AI-generated clay-and-thread illustration.Career chronology,
not a geographic map.
AI-generated clay-and-thread illustration.Career chronology,
not a geographic map.
Dispatches
from the work.
Some questions are best explored by making something, then showing the working.
APRIL 2026
VIDEO · 40:33Managing Coding Agents with Swimlanes
VIDEO · 1:18:12Building a Multi-Signal Reward Function
macOSFlowTimer
VIDEO · 40:33Managing Coding Agents with Swimlanes
Separate research, agents, and review—then make the handoffs visible.
↗OCTOBER 2025VIDEO · 1:18:12Building a Multi-Signal Reward Function
Helpfulness, safety, truthfulness. Working with imperfect feedback.
↗PERSONAL TOOLmacOSFlowTimer
A quieter approach to focus: time until the next check-in.
↗