John Wantz Jr.

Designer of systems & interfaces.

Recent Writing

Thoughts on design, systems, and human-centered AI

Human-in-the-Middle

Why the best AI systems keep humans in control while amplifying their capabilities.

Recent

More Writing Coming Soon

Working on importing content from WordPress. Check back soon for insights on design systems, AI UX, and human-centered technology.

Stay tuned

Skills Matrix

Skill-O-Meter: unscientific, extremely practical. Calibrated by late nights, shipping dates, and coffee.

Strategy & Ops

Business Planning9/10

Zero→one to scale

GTM / Sales8/10

ICP, narrative, loops

Product Strategy9/10

Roadmaps that ship

Design & Systems (my favorite)

Systems Design9/10

Interfaces that click

UX Writing8/10

Clear, confident, human

Brand & Narrative8/10

Engineering

Frontend (React/Next)7/10
Agents / LLMs8/10
Backend (Node/Edge)6/10
Data & Ops6/10

Execution

Hiring / Leadership8/10
Partnerships8/10
Legal / Compliance (light)6/10