The CEO's Guide to AI
You're a CEO who keeps hearing about AI but secretly doesn't understand it. Here are the five things you need to know to make confident AI decisions.
TL;DR
You don't need to understand transformer architectures. You need to understand five things: AI is a pattern recognizer, there are three ways to use it, the model is 15% of the work, you should be able to explain your system to a 12-year-old, and the question isn't 'should we do AI' but 'what problem are we solving.'
The secret no CEO admits
Most CEOs don’t understand AI. They pretend they do - in board meetings, in investor pitches, in conversations with their CTO. But when they’re alone at their desk, they’re Googling “what is a large language model” and hoping nobody sees their search history.
This is normal. AI is a technical field that moved from academia to business in 18 months. Nobody expects you to understand transformer architectures.
But you do need to understand five things. That’s what this article is. Not a course, not a tutorial - five things that let you make confident decisions about AI.
After reading this, you’ll be able to walk into any AI conversation knowing exactly what questions to ask. And you won’t feel stupid asking them.
Thing 1: AI is a pattern recognizer, not a thinker
AI doesn’t think. It finds patterns in data and uses those patterns to make predictions.
When ChatGPT writes an email, it’s not “thinking” about what to say. It’s predicting the most likely next word based on patterns it learned from millions of texts.
When an AI system flags an invoice as fraudulent, it’s not “investigating.” It’s matching the invoice against patterns it learned from thousands of previous invoices.
When an AI system recommends a product, it’s not “understanding” your customer. It’s matching their behavior to patterns from millions of other shoppers.
Why this matters: AI is only as good as the patterns in its training data. If the data is biased, incomplete, or wrong, the patterns are wrong. The AI will be confidently wrong. This is why data quality is the #1 predictor of AI success - not the model, not the vendor, not the budget. The data.
When a vendor tells you their AI is “intelligent,” what they mean is: it’s good at finding patterns in the data we gave it. If the data is garbage, the intelligence is garbage. This is why the first question you should ask any AI vendor is: “What data are you training on, and how do you know it’s good?”
Thing 2: There are three ways to use AI - and one is probably right for you
Option A: Use an API. Call OpenAI, Anthropic, or Google’s model. Cheapest, fastest, good for 80% of use cases. You’re renting intelligence. The model lives on someone else’s servers. You send it text, it sends back answers. You pay per use.
Option B: RAG (Retrieval-Augmented Generation). Connect an existing model to your data. The AI retrieves information from your documents before answering. It’s like giving the AI an open-book exam instead of a closed-book one. It doesn’t need to memorize your company - it looks things up.
Option C: Custom model. Train a model on your data for a specific task. Most expensive, most complex, most control. You’re not renting intelligence - you’re building your own. This makes sense when you have a very specific use case, lots of data, and the accuracy requirements justify the cost.
90% of mid-market companies should start with Option A or B. If a vendor recommends Option C without proving A and B don’t work, get a second opinion. They’re either upselling or showing off.
The progression is: API first. If the API doesn’t know your business well enough, add RAG. If RAG isn’t accurate enough for your specific use case, then consider custom. Most companies never need to go past RAG.
Thing 3: The model is 15% of the work. The data is 40%. The rest is plumbing.
When vendors quote you for “AI,” they’re quoting for the model. But the model is the smallest part.
- Data preparation: 40%. Cleaning, organizing, piping, validating. This is where projects fail.
- Infrastructure & integration: 25%. Servers, APIs, security, connecting to your existing systems.
- Model development: 15%. The thing everyone talks about.
- UI & workflow: 10%. The interface your team actually uses.
- Monitoring & maintenance: 10%. Keeping it running after launch.
The model - the thing everyone talks about - is 15% of the cost. The data work - the thing nobody talks about - is 40%.
Why this matters: When a vendor says “we’ll build your AI for €50K,” ask what’s included. If data prep and infrastructure aren’t in the quote, the real cost is 3-5x higher. This is how projects go from €50K to €250K. Not because the vendor lied - because they quoted for the 15% and the 85% showed up later.
Thing 4: You should be able to explain your AI system to a 12-year-old
If your AI vendor can’t explain what they’re building in plain language, they either don’t understand it or they’re hiding something.
Bad: “We use a fine-tuned transformer with RAG augmentation and vector embeddings for semantic retrieval.”
Good: “We connect an AI model to your document database so it can answer questions about your company’s knowledge.”
Both describe the same system. One is hiding behind jargon. One understands what they’re doing.
Test: Ask your vendor to explain the system in one sentence. If they can’t, they don’t understand it well enough to build it safely. Or they’re deliberately obfuscating so you can’t evaluate their work.
This test has never failed me. The best engineers I’ve worked with explain complex things simply. The ones who hide behind jargon are covering for gaps.
Thing 5: The question isn’t “should we do AI?” - it’s “what problem are we solving?”
Companies that succeed with AI start with a problem. Companies that fail start with AI and look for a problem.
Good problems:
- “We spend 200 person-hours/month reviewing invoices manually”
- “Our support team can’t keep up with ticket volume”
- “We lose 30% of leads because nobody follows up within 24 hours”
Bad problems:
- “We need to be doing AI”
- “Our competitor launched an AI feature”
- “The board wants an AI strategy”
If you can’t state the problem in one sentence with a number attached, you’re not ready to build. You’re ready to audit.
The number matters. “We spend a lot of time on manual review” is vague. “We spend 200 person-hours/month on manual review at €40/hour = €96K/year” is a business case. The number tells you whether AI is worth it before you spend a euro.
The 5 questions to ask any AI vendor
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“What data do you need from us, and how do you check if it’s good enough?” If they don’t ask about data quality, they’ll fail. This is the #1 predictor of project success.
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“What happens when the model is wrong?” If they don’t have a fallback plan, they’re building a demo. Production systems have error handling. Demos don’t.
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“What does this cost to run after you leave?” If they can’t answer, you’ll find out the hard way. Ongoing costs include API fees, infrastructure, monitoring, and maintenance - typically 15-20% of build cost per year.
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“Who on our team needs to be involved?” If they say “nobody,” they’re building a black box you’ll never own. Good projects involve your team from day one.
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“Can you show me a system you’ve shipped that’s running in production today?” If they can’t, they’re learning on your budget. Not a demo. Not a slide deck. A running system with real users.
What to do next
You don’t need to understand AI. You need to understand your problem, your data, and your options.
That’s what an AI readiness audit gives you. Two weeks. You walk away knowing what’s possible, what it costs, and whether to proceed.
No jargon. No PowerPoint. Just answers.
FAQ
What if my CTO already understands AI? Great. But an audit gives both of you an independent assessment. Even good CTOs have blind spots - especially when they’re close to the existing infrastructure.
What if we’re too small for AI? Size isn’t the issue - data quality and problem clarity are. Some 30-person companies are ready. Some 500-person companies aren’t. The audit tells you which one you are.
Should I hire an AI person instead of a consultant? If you can find one and afford them, yes. But most mid-market companies can’t hire senior AI talent - they’re competing with Google and OpenAI for the same people. An audit tells you whether you need a full-time AI person or just a well-built system your existing team can run.
Ready to apply this to your situation?
Book an AI Readiness Call30-min call. No pitch. You leave with one concrete next step - even if it’s not us.
Jacek Trefon
AI engineering leader. 28 years building technology, 4+ years building production AI systems. I help companies assess, architect, build, and deploy AI that actually ships. Based in Spain, working globally.
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