How to Use AI to Create Marketing Content That Sounds Like You
Liam Sandford
Liam Sandford is a Head of Marketing, public speaking expert, and 2x Best Selling Author including the book Effortless Public Speaking. He helps ambitious professionals and entrepreneurs communicate with impact to get noticed, grow their career, and build their business.
I have used AI in my content workflow since 2022, on my own speaking and with clients, and the difference between using it well and being flattened by it comes down to one thing: method. Fed a blank prompt, AI hands you the average of everything ever written on a topic, which is smooth, competent and completely forgettable, because it belongs to no one. Fed your voice, your examples and your way of thinking, it becomes a genuine production tool that helps you publish more without sounding like a machine.
The system that works is simple in shape: it starts with your voice, uses AI to amplify it, and ends with your edit to restore it. This is the practical guide to doing exactly that, so AI makes you faster without making you sound like everybody else.
How to Build a Voice Training Document
The single highest value thing you can do is give AI a reference for how you really write, once, and reuse it forever.
Pull your best writing
Start with a document of your own work. Gather five to ten pieces where your voice came through strongest, the ones readers responded to and the ones where you felt most like yourself. Blog posts, emails, social posts, anything that shows how you genuinely think and communicate. This is the raw material AI will learn your patterns from.
Extract what makes it yours
Then pull out the characteristics. How long are your sentences, and where do you drop in a short punch? How do you open a piece, and how do you close one? Do you lead with a story or a fact? Are you warm or blunt, plain or technical? Write those observations into a short style guide, not a manual, just a page or so, and include a few of your real opening lines, a couple of examples of how you explain something tricky simply, three to five direct quotes that show your tone, and a clear note on what you avoid. Then hand it to AI: "here is how I write, study it, and match this voice when I ask you to draft."
Why Examples Beat Instructions
"Write conversationally" is vague and gives AI nothing to grip. "Write like this," with five examples attached, is concrete, because AI learns from patterns rather than adjectives. Show it your actual work and it picks up your sentence rhythm, your habit of breaking to a new line, the way you use a question to turn a corner. No instruction conveys that; only examples do.
You do this work once and keep it. Every time you sit down to create, you open with "here is my voice document, write in this style," and you are starting from a version of AI that already sounds a bit like you. The upfront hour pays for itself within a handful of pieces, and then it saves you time on every single one after that. This same principle carries into your inbox, which is why learning to write marketing emails the way you speak works best when your email voice and your written voice are the same voice, fed from the same reference.
How to Prompt So the Output Stays You
The prompt is where most people lose control, because a lazy prompt produces generic content that needs a full rewrite. A good prompt gets you something close enough to edit rather than start again. Give it your style reference, the specific goal, the outline or key points you want covered, the length and shape of the output, and your quality standards, all in one go.
The sweet spot is a prompt detailed enough that you save real time, but not so prescriptive that AI does all the thinking for you. If your prompt writes the whole piece, you have handed over the one part that had to stay yours: the judgement. Aim for a strong first draft you will still shape substantially, never a finished article you paste unread.
Why Editing Has to Be Ruthless
Read whatever AI gives you as a first draft, not a final one. The job is not to polish it, it is to drag it into your voice. If a paragraph sounds generic, rewrite it. If a sentence reads like an algorithm wrote it, replace it. If it reaches for a word you would never say, change it. If a section is missing your actual opinion, put your opinion in.
As a rough gauge, expect to rewrite a solid chunk of it, enough that your fingerprints are all over the final piece. If you are barely changing anything, either the draft is generic or you are letting the machine think for you. Do not treat the rewriting as a failure; it is the most important stage, the one where your voice comes back onto the page. AI supplied the scaffolding, and you supply the thing nobody else has, which is your perspective. Read each paragraph and ask one question: would I genuinely say this? If not, redraft it until you would. That instinct is the same one behind learning to apply public speaking principles to written copy: if it would sound wrong said out loud, it is wrong on the page too.
How to Use AI for Structure and Yourself for Substance
AI is genuinely good at structure. It can outline, order an argument, and build a clean path from one point to the next. So use it for exactly that, and keep the content for yourself. Ask it to outline the main points or lay out the steps in a logical order, then fill that structure with your thinking, your examples and your point of view.
This is a different request from "write the piece." You are asking AI to solve a structural problem, which it is good at, while you solve the content problem, which only you can. Keep it in its strength and stay in yours, and the collaboration works. Blur the line and let it write the substance, and you are back to publishing the beige average you were trying to avoid.
Why a Voice Checklist Keeps You Consistent
Make a short checklist of the things that matter in your voice and run every AI assisted piece through it before it goes out. It might cover no jargon without explanation, a short average sentence length, a question to the reader, an active rather than passive voice, a specific example or two, and a clear, personal call to action. Keep it beside you as you edit.
The checklist does two jobs. It makes the editing faster, because you are checking against a fixed list rather than reacting vaguely. And it keeps your voice consistent across pieces, so a reader who meets three of your posts comes away with one clear impression of you, not three slightly different ones. Consistency is the foundation a personal brand is built on, and a checklist quietly enforces it.
How to Repurpose One Strong Piece Across Formats
Once you have a piece properly in your voice, repurpose it rather than starting fresh each time. The core content stays and only the format changes: one substantial article becomes a handful of social posts, a longer email, a couple of short video scripts and a podcast segment. Because your voice is already baked into the source, it carries through every version.
The key mindset is that you are translating, not recreating. You are not asking AI to invent five new LinkedIn posts from nothing; you are extracting five ideas that already live in your article and adapting each one. This is exactly where AI and a proper content habit meet, and it is why it pays to build a content system around your voice and ideas: the system gives you the strong core piece, and AI helps you spin it out across channels without diluting it into slop.
Why Quality Control Comes Before Publishing
Before anything goes live, read it once as your ideal customer would. Does it sound like you? Does it deliver the promise in the headline? Does it feel finished? If you can, have someone you trust read it and ask them plainly whether it sounds authentic or like AI wrote it. Their gut reaction tells you more than any checklist, and if they cannot tell, it has passed.
Time is your other quality control tool. Write the piece, then read it the next day with fresh eyes, and the last traces of machine flatness jump out, the generic phrase, the spot where your voice quietly dropped away. This pass should be quick if the draft was close to your voice to begin with; if it takes a long time, the fix is to invest more in the voice document and the prompt next time, not to keep rescuing weak drafts at the end.
When to Skip AI and Just Write
Sometimes writing it yourself is simply faster. You know the topic cold, you have the stories, you feel the momentum, so just write. AI is a speed tool, and if it is not making you faster on a given piece, it is not earning its place. When the work starts to feel like editing a stranger rather than saying what you mean, close the tab and write it straight.
The test is honest and it changes by the day: am I quicker creating this from scratch, or shaping it from an AI draft? Some pieces want the machine, some want your hands only, and staying flexible is the whole skill. Used with that judgement, AI extends what you can produce, but your real voice, in every format, still does the work of connecting. That is the thread running through public speaking for business growth: the tools change, but the businesses that win still sound unmistakably like a person.
Frequently Asked Questions About Using AI for Content
How long does it take to train AI on my voice?
The first time, a couple of hours to gather your samples, write the style guide and assemble the training document. After that, a few minutes per piece to paste the document into your prompt. The upfront work pays for itself within three or four pieces, and from then on it is saving you time on everything you create. It is one of the highest return hours you can spend on your marketing.
What if it still does not sound like me after all this?
Usually the training document is too vague or your examples were not your strongest work. Pull five fresh pieces that feel most like you, rewrite the style guide with sharper observations, and try again. If it still resists, the topic may simply need more of your voice than AI can supply, in which case write that one directly and save the tool for pieces where it genuinely helps. Not every piece should be AI assisted, and that is fine.
Should I edit as I go or after the whole draft?
Edit as you go. Read each section as AI produces it, and if it drifts, correct it in the next prompt rather than letting the whole piece wander. Fixing it section by section keeps the quality higher and saves you from writing a full draft only to rewrite half of it at the end. It also keeps your voice present throughout, instead of bolting it on afterwards.
Can I use one voice document for every kind of content?
You can, but you will get a stronger result with a few. Your blog voice and your email voice should be close cousins rather than identical twins, so a shared foundation document plus a short note on the specific format and framework you are using will beat one generic reference. Give AI the base voice, then tell it which room it is writing for.
TL;DR: How to Use AI to Create Marketing Content That Sounds Like You
Use AI as a production tool by training it on your real voice and frameworks, then editing hard to put yourself back in.
Build a voice document from your actual best writing, so AI works from your patterns rather than generic instructions.
Prompt with your style reference, the goal, the outline and your standards, aiming for a draft you will still shape substantially.
Edit ruthlessly, rewriting anything you would not say out loud, because the rewriting is where your voice comes back.
Let AI handle structure while you supply the thinking, examples and opinion only you have.
Run a quick quality control pass with fresh eyes or a trusted reader before publishing, and skip AI entirely on the pieces you can write faster yourself.
More From Liam Sandford
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