John Lesoine

John Lesoine

I build tools that test whether writing deserves to be believed. Since 2012 I've been a systems engineer in semiconductor metrology, building machines whose entire job is to report numbers you can trust. Sentences deserve the same test.

Book

Building Systems with AI — book cover

Building Systems with AI

How to Use Skills Like Party Planning to Ship Projects People Actually Use

Teaching non-developers to build real, working AI systems — orchestration, not coding, is the skill. Out now on Amazon.

Read it on Amazon →

Now

Writing

Long-form on Substack · shorter and rougher on X · the book's one-page checklist is free.

Contact

john@johnlesoine.com — email works; I read it.