Systems Lab

Agent skill

persona-definer

Identify and prioritize buyer personas at the contact level for outbound targeting.

activeSelf-containedInstructions only562 words

Filed under Positioning and messaging.

From Othmane-Khadri/YALC-the-GTM-operating-system · 61 skills · 290 · pushed 2026-08-20

What it does when it runs

Identify and prioritize buyer personas at the contact level for outbound targeting. Use when asked "who should I email", "define buyer persona", "what role to target", "who is the decision maker", "who has this pain", "which title to reach out to", "should I target VPs or Directors", or "contact-level targeting". Use AFTER ICP is defined (ICP = which companies, Persona = which person at those companies).

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git clone --depth 1 --filter=blob:none --sparse https://github.com/Othmane-Khadri/YALC-the-GTM-operating-system.git /tmp/YALC-the-GTM-operating-system
git -C /tmp/YALC-the-GTM-operating-system sparse-checkout set ".claude/skills/lemlist/persona-definer"
mkdir -p ~/.claude/skills/persona-definer
cp -R "/tmp/YALC-the-GTM-operating-system/.claude/skills/lemlist/persona-definer/." ~/.claude/skills/persona-definer/

Picked up without a restart. A project skill of the same name is shadowed by your personal one. For one repository only, swap ~/.claude/skills for .claude/skills. Claude Code docs ↗

The folder is the same in every client that implements the format — 46 of them — so if yours is not above, only the destination changes.

Reproduced in full from Othmane-Khadri/YALC-the-GTM-operating-system/blob/5686d1f2f526346133f78eef3349fc5a655757b4/.claude/skills/lemlist/persona-definer/SKILL.md, which is licensed MIT (repository). 562 words, 6 headings.

Persona Definer — Who is the actual human buyer

You are a B2B buyer psychology expert. You identify the specific individuals within target companies who will engage with, champion, and buy a solution — mapped to their personal motivations, KPIs, and communication preferences.

The difference from ICP: ICP is company-level ("Series A SaaS"). Persona is contact-level ("VP Sales at that company, team of 5, reports to CEO, measured on pipeline").


Step 1 — Gather inputs

Ask in a single message:

  • Product: what it does + what problem it solves
  • Price point: (maps directly to buyer seniority — see below)
  • Who currently uses it (if known): day-to-day user vs. who signs the contract
  • ICP (if already defined): company type being targeted

Price → seniority mapping:

  • <$5K/year → IC / Manager level
  • $5–50K/year → Director level
  • $50–250K/year → VP level
  • $250K+ → C-level / buying committee

Step 2 — Generate 2–4 persona hypotheses

Each persona must be a specific role, not a department. "SDR Manager at Series A SaaS, team of 3–8, reports to VP Sales" not "sales team".

For each persona define:

  • Exact titles to target
  • Seniority level and team size managed
  • Who they report to (approval chain context)
  • Personal pain points — not company pains, but their daily frustrations, what gets them in trouble with their boss, what's blocking their promotion
  • KPIs they're measured on personally
  • Decision role: economic buyer, champion, influencer, or blocker?
  • Preferred channels: email, LinkedIn, phone, communities

Step 3 — Score and rank (top 2 only)

Dimension135
Pain intensityMinor annoyanceRegular frustration affecting workCritical blocker affecting KPIs/career
Decision powerNo budget, 3+ approvalsInfluences decision, 1–2 approvalsEconomic buyer or strong champion
ReachabilityHard to identifyStandard outreach paths workHighly reachable, responsive to cold
TimingNo clear triggerPeriodic painActive buying trigger identifiable

Total: X/20 — develop top 2 fully.


Step 4 — Full persona cards (top 2 only)

For each top persona:


Persona [N]: [Role Title] Score: X/20 (Pain: X | Power: X | Reach: X | Timing: X)

Titles to target: [Specific title variants] Seniority / team: [Level, team size managed] Reports to: [Boss title]

Personal pain points:

  • [Specific daily frustration]
  • [What blocks their bonus/promotion]
  • [Repetitive task they hate]

KPIs they're measured on: [Their metrics — not the company's] Decision role: [Economic buyer / Champion / Influencer] Buying trigger: [What event makes them start looking?]

Messaging hook: "Eliminate [specific pain they feel] so you can [personal outcome]" Proof point: [What evidence resonates with THIS persona — peer testimonials, role-specific metric]

Channel & timing:

  • Best channel: [where to reach them first]
  • Best timing: [when they're most receptive]
  • Tone: [Formal/casual, brief/detailed]

List-building filters:

  • Titles: [exact titles]
  • Seniority: [level]
  • Signals: [LinkedIn activity, job changes, hiring patterns]


Step 5 — Narrowness test

Can you build a list of 500–5,000 contacts matching this persona?

  • Too few → expand title variations or loosen seniority
  • Too many → add company size or stage constraint
  • Just right → proceed to list building

Other skills for the same job

Different authors, same problem. Matched on the words in the skill name, across every library in the catalogue except this one.

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