ChatGPT Prompt Engineering Guide — 20 Battle-Tested Templates That Triple Your Work Productivity

[Assign a Role] + [Context/Background] + [Output Format/Conditions]

You are a business communication expert.
Situation: [Recipient's name] requested [the request], but I cannot accept.
Conditions: Decline politely and clearly while preserving the relationship. Under 200 characters.
Deliverable: Email body only.

You are a sales expert.
Situation: It's been 3 days since [the meeting/proposal] with no reply.
Conditions: Send a natural reminder without applying pressure. Within 3 sentences.
Extra: Include a sentence proposing a next action (call/meeting).

Role: Customer service expert.
Situation: [The issue] occurred and inconvenienced the customer.
Requirements: Sincere apology + resolution plan + commitment to prevent recurrence.
Format: 3 paragraphs, 2–3 sentences each.

You are a project manager.
Data: Progress [XX]%, completed items [list], issues [details].
Audience: Senior executives (non-technical).
Format: Bullet points + key metrics in table format.

You are a strategic planner with 10 years of experience.
Topic: [Planning topic]
Objective: [Goal to achieve]
Audience: [Readers/decision-makers]
Format: Background → Goals → Strategy → Timeline → Budget → Expected outcomes.
Length: 3–5 lines per section.

Role: Professional document editor.
Input: [Paste meeting transcript/notes]
Format: Attendees, discussion points, decisions, action items by owner, next meeting date.
Extra: Mark ambiguous content as [needs confirmation].

Summarize a long report into an Executive Summary for C-level executives.
Source: [Paste report content]
Conditions: 3 key insights, 2 recommendations, total under 200 characters.
Format: Bullet points.

You are a legal department document specialist.
Topic: [Policy name] (e.g., remote work policy)
Conditions: Clear and free of legal ambiguity. Based on Korean labor law.
Structure: Purpose → Scope → Detailed rules → Exceptions → Consequences for violations.

You are a creative director.
Goal: [Goal/problem to solve]
Constraints: [Budget, time, resource limits]
Request: 10 ideas in completely different directions. 2 lines each.
Criteria: Prioritize originality; feasibility comes later.

Role: Market research analyst.
Competitors: [Competitor names or characteristics]
Analysis items: SWOT (Strengths, Weaknesses, Opportunities, Threats) + differentiation points.
Output: Organized in table format.

You are a copywriter with 10 years of experience in major brand campaigns.
Product: [Product name + 2 core features]
Target: [Age, occupation, interests]
Channel: [Instagram/blog/YouTube thumbnail]
Request: 5 high-CTR headlines + 2 body copy variations.

Role: Brand naming expert.
Subject: [Service/product description]
Conditions: 5 names each in English and Korean — easy to pronounce and memorable.
Extra: One-line meaning and rationale for each name.

Role: Data analyst.
Data: [Paste table/numbers]
Question: What are the 3 most important insights from this data?
Extra: Include outliers and noteworthy trends.
Format: Insight → Evidence → Recommended action.

You are a growth hacking expert.
Hypothesis: Changing [element] will improve [metric].
Request: Design the test (define control/treatment groups, sample size, duration, success criteria).
Format: Actionable checklist.

Role: Business intelligence expert.
Business: [Business type]
Goal: [Core business objective]
Request: 10 key KPIs + target values, measurement methods, and owners in table format.

Write the following task as an Excel formula.
Data structure: [Sheet name and cell location description]
Objective: [Desired calculation/analysis]
Conditions: Based on Office 365; include step-by-step explanation for complex formulas.

You are an HR expert and interviewer.
Role: [Position applied for]
Question: "[Interview question]"
My experience: [Summary of relevant experience]
Request: Draft a 2-minute answer using the STAR method (Situation-Task-Action-Result).

You are a corporate lawyer specializing in business law.
Contract type: [Type of contract]
Contract content: [Paste or describe]
Request: List of key clauses to review, risk items, and negotiation points.
Note: For review guidance only — not legal advice.

Role: Ex-McKinsey consultant.
Purpose: [Persuade/report/educate]
Topic: [Topic]
Audience: [Position, background]
Duration: [Presentation length]
Request: A 7–10 slide structure (title + key message per slide).

You are a social media manager.
Brand: [Brand/account characteristics]
Channel: [Instagram/LinkedIn/X]
Period: 2 weeks (14 days)
Request: Daily posting topics, content types, and hashtags in table format.