Chris Sheehan

Chris Sheehan

Builder.
AI·Consumer·Fintech·Data

Founder and engineer. MIT, Y Combinator.

Building

Spritz Finance
Spritz Finance
A crypto payments company I founded. Cards, an off-ramp SDK, and a money-transmitter license.
spritz.finance ↗
Schoolwise
Schoolwise
AI for the flood of school emails, forms, and calendars. In real families' hands.
schoolwise.ai ↗
Go Somm
Go Somm
Snap a restaurant's wine list, get told what to order.
gosomm.com ↗

Selected work

I embed with your team to find where AI can 100x your growth.

AI-drafted energy compliance report

Energy compliance reports in 2 hours, not two days.

I built the AI pipeline that reads site photos and equipment nameplates and drafts the whole 40-page document. The firm took on 3-4x more buildings without hiring.

Live campaign field dashboard

Real-time data infrastructure, strategy, and tech for a State Senate race.

The voter file, the dialer and volunteer phone-bank ops, and a live field dashboard the team targets and tracks with.

Get in touch →

Tools

claude-legal-skillAI contract review plus lawyer-ready tracked-changes redlines.★ 390 legal-redline-toolsTurns a review into the Word doc a lawyer actually sends.★ 47 claude-code-google-workspaceGmail, Drive, Sheets, Calendar, and Slack inside Claude Code.★ 33 claude-instruction-ablationCut the always-on instruction bloat your coding agent reads on every request.new
See everything on github.com/evolsb ↗

Writing

I deleted 71% of my agent instructions
Every rule you write gets read on every request, forever. What to cut, what to keep.
3 August 2026 · 9 min read →
How I actually run fleets of coding agents
Fan-out, pipelines, adversarial verification, and the failure modes that cost real time.
28 July 2026 · 10 min read →

Career

MIT
CS + Finance
Deutsche Bank
Quantitative trading
Y Combinator
W16
WorldCover
1M+ farmers, exited
Get in touch
chris@ctsheehan.com