
AI strategist, builder, and marketer for founders who refuse to be commodified.
Testimonials
What people say.
“This was actually the first time I submitted an article that came back with no comments from QA at all — which honestly blew my mind a little. The AI system definitely played a big part in that. It made the writing process smoother and more natural, especially when trying to strike that conversational, human tone.”
“James was one of the first writers I hit subscribe on when I landed on Substack. He's constantly reminding us that while AI is great, it can't touch that raw, unpredictable, unpromptable spark that makes our work matter. A great mentor and a genuine pillar of this community. I cannot recommend him enough.”
“I find myself at that crossroad where I can write fast using AI, but I'm not sure it sounds like me. You share useful insight into writing especially with AI as a partner, and that is where I am heading. Thank you for your inspiration and keep showing us the way.”
“James takes big, often overwhelming topics — writing with AI, finding your authentic voice — and breaks them down into simple, practical ideas that you can actually use. His posts feel less like lectures and more like thoughtful conversations. A rare mix of super knowledgeable while still feeling grounded and real.”
“My biggest concern was that I want my voice, not the generic AI voice, to be reflected in my writing — and jumped into Write10x immediately. The difference has been fantastic. I really feel my voice now in the writing. 5 novels down and many more to come.”
“Your approach to proper prompting and AI optimization is refreshing and practical, especially with real-world examples of your success. Thank you for putting so much thought and effort into helping others succeed.”
“This was actually the first time I submitted an article that came back with no comments from QA at all — which honestly blew my mind a little. The AI system definitely played a big part in that. It made the writing process smoother and more natural, especially when trying to strike that conversational, human tone.”
“James was one of the first writers I hit subscribe on when I landed on Substack. He's constantly reminding us that while AI is great, it can't touch that raw, unpredictable, unpromptable spark that makes our work matter. A great mentor and a genuine pillar of this community. I cannot recommend him enough.”
“I find myself at that crossroad where I can write fast using AI, but I'm not sure it sounds like me. You share useful insight into writing especially with AI as a partner, and that is where I am heading. Thank you for your inspiration and keep showing us the way.”
“James takes big, often overwhelming topics — writing with AI, finding your authentic voice — and breaks them down into simple, practical ideas that you can actually use. His posts feel less like lectures and more like thoughtful conversations. A rare mix of super knowledgeable while still feeling grounded and real.”
“My biggest concern was that I want my voice, not the generic AI voice, to be reflected in my writing — and jumped into Write10x immediately. The difference has been fantastic. I really feel my voice now in the writing. 5 novels down and many more to come.”
“Your approach to proper prompting and AI optimization is refreshing and practical, especially with real-world examples of your success. Thank you for putting so much thought and effort into helping others succeed.”
“James developed a detailed and accurate description of me and Gratefully Well, then built a custom writing assistant that actually captured my voice. His insights improved not just the tools I was using, but how I approached writing itself.”
“The system we built was custom to me — not to sound like anyone else, but to sound like LeiMya's CO-OP and our mission. I needed to be able to explain in one sentence what we stand for, who we are, and how we change the world. We achieved that.”
“You're a refreshingly open and honest voice in the sea of hype that is the AI sphere. Your step-by-step approach to creating a GPT that's steeped in my values, my frameworks, and my outlook on life is remarkable. Thank you for sharing your hard-earned wisdom.”
“Curious, thought-provoking, intellectually honest. James' insights helped me see that 'Should I use AI or not?' is and always was the wrong question. The question is simply 'How?' James sets you on the road to continually answering that question in new ways for yourself.”
“I've been excited to learn Unpromptable will double down on addressing how we can all make ourselves AI-proof, plus unpromptable even beyond AI terms. As someone new to it, I will be looking forward to reading the newsletter.”
“This is one of the few Substacks I follow religiously. I end up saving all of the posts because they are genuinely helpful and not generic advice you see everywhere. I love his actionable insights and feel more empowered to start writing after each post.”
“James developed a detailed and accurate description of me and Gratefully Well, then built a custom writing assistant that actually captured my voice. His insights improved not just the tools I was using, but how I approached writing itself.”
“The system we built was custom to me — not to sound like anyone else, but to sound like LeiMya's CO-OP and our mission. I needed to be able to explain in one sentence what we stand for, who we are, and how we change the world. We achieved that.”
“You're a refreshingly open and honest voice in the sea of hype that is the AI sphere. Your step-by-step approach to creating a GPT that's steeped in my values, my frameworks, and my outlook on life is remarkable. Thank you for sharing your hard-earned wisdom.”
“Curious, thought-provoking, intellectually honest. James' insights helped me see that 'Should I use AI or not?' is and always was the wrong question. The question is simply 'How?' James sets you on the road to continually answering that question in new ways for yourself.”
“I've been excited to learn Unpromptable will double down on addressing how we can all make ourselves AI-proof, plus unpromptable even beyond AI terms. As someone new to it, I will be looking forward to reading the newsletter.”
“This is one of the few Substacks I follow religiously. I end up saving all of the posts because they are genuinely helpful and not generic advice you see everywhere. I love his actionable insights and feel more empowered to start writing after each post.”
Services
James can help you with:
Expertise
Think. Build. Brand.

Most AI rollouts stall because teams inherit someone else's playbook. I build the map — tailored to how you actually operate — then stay long enough to see it run.

2,400+
founders and creators
About
James Presbitero Jr.
Late 2022, ChatGPT wiped out a chunk of my freelance writing income overnight. I didn't fight it. I went toward it — started writing publicly about what was actually happening to people like me.
Turns out the question "am I still irreplaceable?" was keeping a lot of founders up at night. That became the thesis. That became Unpromptable.
2,400+ subscribers later, it became a consultancy. Then products. Then a clear point of view: the founders who win aren't the ones who use AI the most — they're the ones who understand what AI can't replicate about them.
If that's the problem you're sitting with — let's talk.