AI Product Manager

Turning everyone into AI-native builders

Researcher

Testing before tweeting

Community Host

Building with, not for

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Karo Zieminski — AI Product Manager and community host

About Me

I'm a Senior AI Product Manager at Milestone Systems, an AI builder, and the founder of Product with Attitude, a bestselling newsletter and builder community on Substack.

I help people develop critical AI literacy: the ability to understand how AI systems work, question who they serve, and decide when to use them, when to push back, and when to walk away. I do it the only way it really sticks—by dropping people into real workflows instead of slide decks.

My work sits at the intersection of product strategy, design, and development; practical ways to build AI products that survive contact with reality.

I care deeply about ethical, human-first AI and about helping people adapt their skills as AI reshapes the job market. No one is fully immune to these shifts, so the only real defense is sharper judgment, not blind enthusiasm for the latest model.

17K+ Community members
100K+ Monthly views
#1 AI Builder Community
Substack Bestseller

By the numbers

From zero to 17K in 13 months

Each bar is a real milestone. Substack Bestseller at month 6. No ads, no hacks. Just consistent publishing, deep quality research, and a community I actively listen to, build with, and write alongside every step of the way.

Portfolio

Projects I'm building for the AI builder community.

Resources

What the community says

The best AI & Product content on Substack!

— Kacper Wojaczek, Scramble IT

Such great writing and product sense from Karo.

— Mike Goitein, Product Strategy Decoded

I pay $200/month for Claude, and $20 for ChatGPT. PwA costs less than any of those and is the reason the other two are worth the money. The prompts, workflows and the logic behind them saved me more credits than a month of experimenting on my own.

Zeke Blackwood

Joining PwA didn't just give me a community, it gave me traction. Karo has a rare ability to connect the right people at the right moment. Since joining, she's introduced me to an SEO specialist who validated my entire product homepage, and a visual branding expert who helped me build a consistent AI-generated avatar for my personal brand. That kind of curated network is hard to find. PwA accelerated things I would have figured out alone — eventually.

— Daniel Rusnok, Substack · Founder of Drippery

Joining Product with Attitude was the moment I stopped just critiquing AI and started building with it. Karo's real gift is making the leap from critique to construction feel obvious rather than intimidating. She is a rare kind of community leader: a champion of voices that don't usually get the mic, and an educator who teaches by gathering people instead of performing at them. Slow AI is sharper for it.

— Dr Sam Illingworth, Slow AI

Karo has a unique approach to product creation, one that's very rare to find, and I've searched a lot! Must join if you're into product design!

— Yana G.Y., Unplugged

Joining PwA turned building from a solo hobby into a high stakes sport. Through this community, I found the visibility to launch DraftKit and stopped wasting time on the performance of product management. It is more than just networking. We are unifying our voices. Exchanging ideas with you and other builders, especially during the AI Advent Challenge, has been a massive force multiplier. We feed and grow each other's minds and builds in a way that just does not happen in corporate silos. If you want to find the people who actually understand the why behind the system and move at the speed of the frontier, this is the room.

— Elena Calvillo, Prompt-Led Product · Founder of DraftKit

Karo welcomed me when I was fairly new to Substack and had no credibility on the platform. She builds her community truly with passion, made time to offer opportunities to connect with builders, highlighted me in her different series that helped me with visibility and exposure.

What surprised me more was the mentorship. She would reply to my DMs and open to discuss things I was missing. She pointed me in a better direction. The difference in how I think about my own publications is already showing with that direction.

Product with Attitude isn't just a newsletter. It's a community Karo actively builds, and I'm lucky to be in it.

— Dheeraj Sharma, GenAI Unplugged · Founder of Subflow AI

Karo is an exceptional writer and an engager par excellence.

— Paul Chaney, AI Workplace Wellness

I found your work to be the most interesting on Substack because you actually build and showcase. Would be rad to get the chance to share notes one day. Appreciate what you're building here.

Steve Howell

Karo writes about AI product in a way that's rare: she doesn't just explain tools, she builds critical thinking around them. Her framework for AI literacy is a must-read.

hohoda

One of the most genuine, insightful voices in the AI product space. Karo's perspective cuts through the noise — her newsletter is one of the few I actually look forward to reading.

— James, Perfectly Digital

Karo writes like a builder who actually ships. No fluff, no filler — just real insights from someone deep in the trenches of AI product work. Rare find on Substack.

Blake O.

I read a lot of AI newsletters. Most repeat the same takes. Karo is the reason I got here. Her heart is as strong as her builder attitude. She's the perfect person to learn all the tricks of building products with AI from.

AI Meets Girlboss

I honestly love the breakdowns, the cross-collab posts, and the community and conversations. The content is top notch, the attitude exactly what I think we need to see more of in 2026, and the author's just an awesome person and passionate about AI.

— Ahad Amdani, G8N AI