John Church

Building AI tools for nonprofits and education.

John Church

I'm a software engineer and product builder with a philosophy background from Claremont McKenna College, where I studied CS at Harvey Mudd and wrote my honors thesis on the accountability of lethal autonomous weapons systems.

Currently, I'm Co-Founder & CTO of MilestoneX, where I build AI-powered platforms for the nonprofit and education sectors — Lilychart for special education IEP tracking and Northstar Toolkit for charitable data infrastructure. I also organize Hack for Social Impact, connecting engineers with nonprofits to build AI solutions.

Previously, I served as CTO of Jet.AI (NASDAQ: JTAI), where I built and operated the company's entire software arm through IPO and launched the first public carbon crediting API for aviation.

Claremont McKenna College 2021

B.A. Philosophy with Computer Science Sequence (CS at Harvey Mudd), with Honors

Thesis: The Accountability of Lethal Autonomous Weapons Systems” →

McKenna ScholarAppel FellowSummit Fellow1st Place Gould Humanities Competition

Lilychart

Co-Founder & CTO

AI-powered IEP tracking and intervention recommendations for special education providers. Deployed with Foundation for Blind Children — 2,289+ student updates analyzed, 400+ individual goals tracked.

Northstar Toolkit

Co-Founder & CTO

Data and AI infrastructure for charitable organizations. Task-specific LLM routing with automatic fallback chains and structured schema validation.

Hack for Social Impact

Founding Organizer

Annual hackathons (150+ participants) connecting engineers with nonprofits to build AI solutions. Partners include Chan Zuckerberg Foundation, Project Homeless Connect, and the United Nations.

Jet.AI

Chief Technology Officer

Built and operated the entire software arm of this NASDAQ-listed company through IPO. Proposed, built, and launched the first public carbon crediting API for aviation.

Updated February 2026

Reading

Breakneck: China's Quest to Engineer the Future Dan Wang

A Fire Upon the Deep Vernor Vinge

Dubliners James Joyce

Building

Scaling Lilychart's deployment with Foundation for Blind Children and adding new monitoring and evaluation features to Lilychart.

Thinking about

What theory of change evaluation and ideation looks like in the age of LLMs.

Shooting

Lately I've been shooting black and white architectural photography on my Fujifilm X-Pro 3. Brutalist concrete, geometric facades, the interplay of structure and light.

Architectural photograph 1
Architectural photograph 2
Architectural photograph 3
Architectural photograph 4
Architectural photograph 5
Architectural photograph 6

Elsewhere

The desk
The desk
Personal photograph 2
Personal photograph 3
Personal photograph 4
Personal photograph 5

San Francisco

Bay Bridge at dusk
Bay Bridge at dusk
Haight-Ashbury
Haight-Ashbury
Chinatown
Chinatown
Powell & Hyde
Powell & Hyde
Victorian detail
Victorian detail
Grant Avenue
Grant Avenue

New York

Brooklyn Bridge
Brooklyn Bridge
Liberty at sunset
Liberty at sunset
Prospect Park
Prospect Park
Governors Island
Governors Island
Golden hour
Golden hour
2 train
2 train