ETHAN STUART
  • Work
  • Writing
  • About
Open to conversation
ES
  • LinkedIn
  • Substack
  • GitHub
© 2026 Ethan Stuart · Built with Next.js
NexusWatch — Geopolitical Intelligence·The Composer — Multi-Agent Editorial·Product OS — Spec-as-code·Zero to Ship — AI Course Platform·Senior Manager · Data & AI Products · Disney Studios·NexusWatch — Geopolitical Intelligence·The Composer — Multi-Agent Editorial·Product OS — Spec-as-code·Zero to Ship — AI Course Platform·Senior Manager · Data & AI Products · Disney Studios·
SELECTED WORK

Eight products. All in flight in 2026.

Four featured products as full magazine spreads. Two thematic sections — Modeling Lab + RE Stack — for the rest of the portfolio.

Scroll to first featured ↓
Project 01 / 04
Threat monitoring at platform scale — built solo.
LIVE · 2026

NexusWatch

Real-time geopolitical intelligence with an AI risk analyst, 45+ data layers, and live country-by-country monitoring.
Visit NexusWatch ↗
BETA · 2026

The Composer

Agentic editorial framework — 10-persona board, structured pipeline, productized via Masthead.
In active development
Project 02 / 04
DRAFT · REVIEW · APPROVE
An operator's newsroom, run by personas.
Project 03 / 04
Specs that live in your repo, reviewed like code.
BUILD · 2026

Product OS

Spec-as-code for PMs. OSS CLI + GitHub App + dashboard — Show HN target September 2026.
In active development
LIVE · 2026

Zero to Ship

AI coding course platform. 16 modules, shipping-first, gamified.
Visit Zero to Ship ↗
Project 04 / 04
IDEADRAFTBUILDSHIP
Teach the actual method — outcomes, not tutorials.
LAB · QUANT + ML PRACTICE

Modeling Lab.

Production-grade modeling work — quant + sports markets — that pays rent and proves method.

01 / 02

Quant Engine

Systematic Trading Platform

World-class systematic trading platform — signal factory, streaming, GPU backtest, Bayesian state, paper-traded live on Alpaca.

02 / 02

Sports ML Pipeline

Models for Sports Markets

20+ models across 4 sports. Kelly-sized bets, model-promoted to production after backtest. From small bankroll to live wagering.

VENTURES · REAL ESTATE STACK

RE Stack.

Real-estate-domain ventures: lending intelligence + CRE data infrastructure.

01 / 02

Meridian Intelligence

Non-QM Lending Intelligence

Lending intelligence platform — 34 features, 433 tests, white-label-ready. Operator-layer SaaS for non-QM mortgage shops.

02 / 02

RidgeCap

CRE Data Infrastructure

CRE data infrastructure — 7-table FRED schema, 15 free CRE series, parallel build. Currently in product-frozen due-diligence mode.