Writings of a Tech Leader, Husband, and Dad

I’m Jonathan, Founder of Ruby Growth Labs, an agentic product development group, with over two decades of experience in software development for startups. This space is where I share my experiences, insights, and opinions—both popular and unconventional.

My ramblings will be on mobile and web applications, startup launches, favorite books, user acquisition, user experience, (maybe parenting) and most importantly, driving revenue.

Why I'm Joining MagnifAI Media as Co-Founder

October 11, 2026

After twenty years of trying to prove that ads actually drive people through the door, I've joined MagnifAI Media as Co-Founder. Here's why Yalda, why dealerships, and why this is the Verve thesis again with far better data.

Delivering Clarity: What Comes After Agile

October 11, 2026

For 25 years Agile was my favorite tool for leading engineering teams. It worked because building was slow and expensive. AI changed that. The bottleneck is no longer the code. It's the customer. Here's the method I'm building Ruby Growth Labs around.

It Started with a Skateboard Video

September 14, 2026

Three things I love: making videos, writing Ruby, and my family. It took me almost thirty years — and one broken Dazzle capture card — to get all three into the same project.

How I Actually Use Fable 5 (Stop Treating It Like a Chat Model)

July 06, 2026

Fable 5 is the most capable model I've got, and most people waste it. Here's the routing system, the loop structure, and the CLAUDE.md config I use to spend it only where being wrong is expensive.

Why We Build Native: Swift, Kotlin, and the End of the "Build It Twice" Excuse

June 19, 2026

Every cross-platform promise — PhoneGap, Cordova, Flutter, React Native — traded a small early saving for a large later cost. Here's why we build native Swift and Kotlin, with real numbers from our own portfolio, and why AI agents just killed the one objection that used to matter.