Oct 7, 2026
Our AI Voice Receptionist looked offline. But the alert was misleading.
A 5.87-second check crossed a five-second timeout. A separate heartbeat bug was real.
The ZA Growth Letters by Z. Ahmed
Become an AI-Native Marketing Leader.
Weekly guides for marketing managers who want to find good uses for AI, build growth systems, lead the work, and show business value. I share what I learn while I build YGS.
The Letters are open on Substack. 22 issues so far. Reading is free.
Published letters
Read the latest.
Every letter lives on Substack. Reading is free and nothing here is gated.
Oct 5, 2026
Our AI agents had bad memory. It was still remembering the old offer
A model can only repeat the business facts we leave in its instructions.
Oct 1, 2026
Your AI receptionist demo has to survive a real call
What worked in my phone test, what I still need to check, and how that changes the way I explain the offer.
Sep 29, 2026
Give each AI a job, then have someone else check the work
How I split planning, drafting and review across our AI setup, and what marketers can borrow from it.
Sep 26, 2026
The AI test sheet I would use before connecting a marketing workflow
Start with examples you understand and keep the first run away from customer actions.
Sep 24, 2026
What I'm checking before scaling my faceless YouTube workflow
Our research gave us storyboard experiments, not a formula for going viral.
Sep 22, 2026
My first Jev test gave me a reason to use less AI
Two wrong answers made me check whether the job needed a model at all.
Sep 19, 2026
Before AI turns your customer interviews into ad copy, keep the original words
A worked example and a small worksheet for finding a message worth testing.
Sep 17, 2026
Your AI workflow needs a report card that includes your time
Count the checking and fixing before you call the job faster.
Sep 15, 2026
Can someone else run your AI workflow when you are away?
A shared folder helps only when the next person knows what to trust.
Sep 13, 2026
Before AI writes your weekly marketing report, give it a decision
The report should help someone choose what to do next.
Sep 3, 2026
I Wrote Three Books for Three Problems I Kept Running Into
Start with the one that sounds most like your week.
Aug 28, 2026
Anatomy of an AI Agent: What Marketers Need to Know
The model is one part. The job around it decides whether the work is useful.
Aug 25, 2026
AI Helped Ghost Write My Book
Months of yap sessions, interviews, heavy rewrites, and human judgment became a real book I can finally hold.
Aug 23, 2026
I built an AI receptionist for plumbers and HVAC companies. The voice was the easy part.
A real demo can still be a long way from a real phone call.
Aug 22, 2026
Before You Build an AI Agent, Give It a Real Marketing Job
The tools can run. The marketer still has to decide what finished looks like.
Aug 20, 2026
My AI picked the wrong memory, and the bug was mine
A memory teardown sent me digging through my own setup, and what I found was one line of bad math.
Aug 18, 2026
A 3.0x ROAS Can Still Be Below Break Even
I wanted to see how much one missing input could change the answer, so I changed the margin and kept everything else the same.
Aug 17, 2026
Graph Engineering for Marketers: From Prompts to AI Teams
How to map the work, route the handoffs, keep human control, and prove the business result.
Aug 16, 2026
The Task Trap I Carried Through Ten Years of Marketing
I got better at finishing the work. The bigger shift was learning to own the decision behind it.
Three practical pillars
Learn to lead the AI work.
- Become an AI-Native Marketing Leader: find the right job for AI and lead the work with care.
- Build AI Growth Systems: turn a good idea into a system the team can use.
- Build the AI-Native Company: help small teams work with AI agents and clear human checks.
Hands on systems thread
The AI Growth Operator
This series uses YGS as a live build lab. I share what I built, why I made each choice, and how I check the work.
It lives inside The ZA Growth Letters as an optional thread.
One long-form source
Start with one useful idea.
Each idea starts as one full Substack post. I can then use it for LinkedIn, Notes, video, the YGS knowledge base, and future books. The full post keeps the story and proof in one place.
Free worksheet
Find one useful AI opportunity.
Use the AI Opportunity Map to pick one small job. Name the human owner. Write the proof and stop rule before you test a tool.
No email gate
Use the map on this site.
The map has no form. Copy the prompts into your notes or print the page. Keep your answers on your own device.