A stranger lands on your profile. They give it about five seconds. If they can’t tell who you help and what changes for them in that window, they scroll on, and you never know they were there.
Most coach bios fail this test. They lead with a job title (“Certified Life Coach | Speaker | Mom”) instead of a result, and they sound like every other coach. This prompt fixes that. You feed the AI who you help and the change you create, and it writes a clear tagline and bio that a stranger gets instantly. The coach bio examples below show the full input and the exact output, and by the end you’ll understand why it works so your next rewrite is sharper.
When to use this
- Your Instagram, LinkedIn, or website bio still says what you are, not who you help.
- You’re launching a new offer and need a tagline that sticks.
- People hear what you do and respond with “so… what is that, exactly?”
- You want a matching short bio and longer “About” paragraph in one voice.
- You’re updating a speaker page, podcast guest blurb, or media kit.
The prompt
Copy this whole block into ChatGPT, Claude, or Gemini:
You are an expert brand copywriter who specializes in positioning for coaches. Your job is to write a clear social bio and a short brand tagline that make a stranger instantly understand who you help and what changes for them.
Before writing, ask me up to 3 clarifying questions if anything below is unclear or vague. Otherwise, proceed.
CONTEXT
- Who I help: {{WHO_YOU_HELP}}
- The problem they have: {{PROBLEM}}
- The outcome I deliver: {{OUTCOME}}
- My method or proof (credentials, results, signature process): {{METHOD_OR_PROOF}}
- The action I want readers to take: {{CTA}}
- My tone: {{TONE}}
- Platform this bio is for: {{PLATFORM}}
TASK
Give me, in this order:
1. THREE tagline options (max 8 words each). Each must name a clear outcome, not a vague vibe.
2. ONE short bio sized for {{PLATFORM}} (if Instagram/X: under 150 characters, line breaks allowed; if LinkedIn/website: 2-3 short sentences). It must say who I help, the change I create, one piece of proof, and end with the call to action: {{CTA}}.
3. ONE longer 'About' paragraph (50-90 words) for a website or speaker page, in the same voice.
CONSTRAINTS
- Lead with the reader's outcome, not my job title.
- Plain, human language. No buzzwords like 'unlock', 'empower', 'transform', 'game-changer', or 'passionate about'.
- Do not invent credentials, numbers, or client results I did not give you.
- Match my tone exactly.
After the options, add one sentence explaining which tagline you'd pick and why.
How to customize it
Replace these {{VARIABLES}} before you send it:
| Variable | What to put | Example |
|---|---|---|
{{WHO_YOU_HELP}} |
Your specific person | overwhelmed working moms in their 40s |
{{PROBLEM}} |
What they’re stuck on | running on empty and putting themselves last |
{{OUTCOME}} |
The change you create | calm, steady energy and a routine that sticks |
{{METHOD_OR_PROOF}} |
Method, credential, or result | a 90-day habit reset; 200+ moms coached |
{{CTA}} |
The action you want | DM ‘RESET’ for a free energy audit |
{{TONE}} |
How you sound | warm, down-to-earth, a little playful |
{{PLATFORM}} |
Where it lives |
See it in action (full example)
Here is the exact prompt, filled in for a wellness coach. This is the whole input, nothing hidden:
You are an expert brand copywriter who specializes in positioning for coaches. Your job is to write a clear social bio and a short brand tagline that make a stranger instantly understand who you help and what changes for them.
Before writing, ask me up to 3 clarifying questions if anything below is unclear or vague. Otherwise, proceed.
CONTEXT
- Who I help: overwhelmed working moms in their 40s
- The problem they have: running on empty and putting themselves last
- The outcome I deliver: calm, steady energy and a routine that finally sticks
- My method or proof (credentials, results, signature process): a 90-day habit reset; 200+ moms coached; former burned-out nurse
- The action I want readers to take: DM 'RESET' for a free energy audit
- My tone: warm, down-to-earth, a little playful
- Platform this bio is for: Instagram
TASK
Give me, in this order:
1. THREE tagline options (max 8 words each). Each must name a clear outcome, not a vague vibe.
2. ONE short bio sized for Instagram (if Instagram/X: under 150 characters, line breaks allowed; if LinkedIn/website: 2-3 short sentences). It must say who I help, the change I create, one piece of proof, and end with the call to action: DM 'RESET' for a free energy audit.
3. ONE longer 'About' paragraph (50-90 words) for a website or speaker page, in the same voice.
CONSTRAINTS
- Lead with the reader's outcome, not my job title.
- Plain, human language. No buzzwords like 'unlock', 'empower', 'transform', 'game-changer', or 'passionate about'.
- Do not invent credentials, numbers, or client results I did not give you.
- Match my tone exactly.
After the options, add one sentence explaining which tagline you'd pick and why.
And here is the complete output the model returns:
3 tagline options
- Energy that lasts past 3pm, mom.
- Helping busy moms stop running on empty.
- A 90-day reset for tired moms.
Instagram bio (under 150 characters)
Helping tired moms in their 40s get steady energy back ✨ 90-day reset · ex-burned-out nurse · 200+ moms coached DM “RESET” for a free energy audit 👇
About paragraph (50-90 words)
I help working moms in their 40s who are running on empty and always last on their own list. I’m a former burned-out nurse, so I know the 3pm crash and the guilt that comes with slowing down. Over the last few years I’ve coached more than 200 moms through my 90-day reset to find calm, steady energy and a routine that actually sticks. No overhauls, no 5am boot camps. Just small changes that hold.
My pick: Option 1 — it names the exact moment your reader feels the problem (the afternoon crash), so it lands faster than the more general options.
That’s publish-ready. Swap an emoji to taste and it goes straight into your profile.
Why this works
Four LLM principles are doing the work here. Learn them and every prompt you write gets better:
- Role priming. “You are an expert brand copywriter who specializes in positioning for coaches” points the model at the right slice of its knowledge. “Write me a bio” pulls the bland internet average; naming a positioning specialist pulls sharper, outcome-first copy. Always assign a role.
- Specificity in, specificity out. A bio is only as clear as the inputs. “I help people feel better” produces mush. “Overwhelmed working moms in their 40s who are running on empty” gives the model a real person to write to, which is why the tagline can reference a 3pm crash. The clarity of your output is capped by the clarity of your
{{WHO_YOU_HELP}}and{{OUTCOME}}. - Constraints are quality control. The “lead with the outcome, not your job title” rule and the banned-buzzword list each remove a specific failure mode. Telling the model what NOT to write (“don’t invent credentials I didn’t give you”) is as powerful as telling it what to write, and it keeps the bio honest.
- Clarifying questions beat guessing. The “ask me up to 3 clarifying questions first” line lets the model fill gaps by asking instead of inventing. If your inputs are thin, it will ask before it guesses, which is the single biggest fix for generic AI copy.
Do this now
- Copy the prompt above into ChatGPT, Claude, or Gemini.
- Replace the seven variables with your real reader, problem, outcome, proof, CTA, tone, and platform.
- Send it. If it asks clarifying questions, answer them honestly, vague answers in mean vague bios out.
- Pick a tagline, paste the short bio into your profile today, and save the “About” paragraph for your website.
Pro tips
- Test the five-second rule. Send the bio to a friend who doesn’t know your work. If they can’t repeat back who you help, it’s not clear enough yet, re-run with a sharper outcome.
- Run it once per platform. Change
{{PLATFORM}}to LinkedIn or your website and generate again. The voice stays the same; the length and format adapt. - Feed it real proof. A specific number (“200+ moms coached”) or a real backstory (“former burned-out nurse”) beats any adjective. Give it facts, not vibes.
- Keep a tagline swipe file. Save the runner-up taglines. They make great email subject lines, ad hooks, and pinned-post headers later.
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