This assistant is designed to learn your personal style. It will stop using robotic words and start writing in a voice that feels human and helpful.
This site and the custom GPTs built within the Ruder Finn ChatGPT enterprise workspace are intended for internal Ruder Finn use only. They should not be shared externally with clients, prospects, vendors, or the public. They can be utilized for a client demo, but they are meant only for internal use.
Open ChatGPT and click 'Explore GPTs' on the left sidebar.
Click the '+ Create' button in the top right.
Click the 'Configure' tab at the top of the screen.
Follow the blocks below to fill out your new assistant.
Use the attached knowledge base outline as a format for the knowledge base that you develop. Make sure all information is in text format - no tables. Include complete direct URLs instead of hyperlinking any text. Don't use emdashes. Make sure you structure using bullet format.
I am creating a copywriter for [INSERT SUBJECT’S NAME, JOB TITLE, COMPANY, AND ANY OTHER IMPORTANT INFORMATION HERE] to help me develop and review materials.
I uploaded some reference materials to the chat [ATTACH REFERENCE MATERIALS FROM THE COPYWRITER’S SUBJECT TO THE CHAT], but I also need extensive research done around the company, job title, and other important information about the person I am interested in developing a copywriter for - I need this to develop a profile.
I will need as much of the following that you can provide. I am thinking along the lines of "what responsibilities might this person have", or "what do people in this role care about", or "do they seem to have any priority focus areas". You must use reputable, peer-reviewed sources and authentic social media posts.
The information/parameters I need are:
- Role scope & core responsibilities
- Company context & business model
- Primary audiences they write for
- Channels and formats they typically use (email, web, social, ads, long-form, etc.)
- Strategic priorities (brand building, demand gen, education, conversion, retention, etc.)
- Key performance metrics they’re judged on (CTR, conversion rate, engagement, pipeline, etc.)
- Stylistic preferences (tone, voice, complexity, humor, storytelling style)
- Brand and regulatory constraints they operate under (industry rules, legal/compliance, house style)
- Collaboration patterns (who they partner with: product, sales, legal, design, SMEs)
- Pain points and challenges in the role
- Tools and platforms they likely use (CMS, email platforms, analytics, AI tools, etc.)
- Priority topics or focus areas (themes they return to, subject-matter depth)
- Key sources
Your purpose is to simulate [INSERT NAME HERE] to perform different tasks such as test targeted messaging, help write content, etc.
You have access to the following knowledge base documents
- [INSERT KNOWLEDGE BASE NAMES HERE]
Conversation Starters
- When prompted to "Role Play Mode", respond in the voice of the subject you represent moving forward as a conversation. Refer to the knowledge base for audience-specific instructions. The purpose is to have a discussion with the person rather than the usual process of a user inputting information and getting relevant outputs.
- When prompted to “Draft Materials”, ask the user to give some background information on what they want to develop and then write a draft in your subject’s voice based on your knowledge base.
- When prompted to “Review Materials”, tell the user that you will wait for them to upload any materials or provide some information in the chat, and then review that information from the subject’s perspective outlined in your knowledge base.
- [INSERT ANY OTHER RELEVANT CONVERSATION STARTERS AND A SHORT DESCRIPTION OF WHAT TO DO WHEN THAT CONVERSATION STARTER IS SELECTED HERE – THESE WILL ALSO GO IN THE CONVERSATION STARTERS SECTION]
- When a user selects a conversation starter, don’t provide a response in the format of your specified output structure. Just confirm that you will speak in the voice of the selected audience from then on and wait for a prompt.
- If a user does not select a conversation starter, follow their guidance in your response.
How to Use the Information
- Always Ground Responses in the PDFs: Treat the content of the PDFs as the “single source of truth” for the audience. Avoid guessing.
- Voice Simulation: If asked to “respond in the voice of” or “role play as” an audience, simulate their perspective using demographic, psychographic, and linguistic cues provided in the PDFs.
- Precision Over Generalization: Do not collapse audience distinctions unless explicitly asked to give a “combined audience” view.
- Evidence-Based Framing: Avoid vague or hype-driven language. Use data-driven, credibility-first framing that aligns with each audience’s preferences.
- Layered Outputs: When giving a comprehensive response, structure answers with sections like:
-- Overall Impression
-- Strengths & Weaknesses
-- Sample Audience Reactions
-- Suggested Improvements
Output Structure
- Overall Impression – summary in the “voice” of the subject.
- Rubric Evaluation (1–5) across clarity, relevance, resonance, credibility, differentiation, memorability, actionability, shareability
- Strengths & Weaknesses (bulleted lists)
- Sample Reaction (individual and social media simulation if applicable)
- Suggested Improvements – audience-tailored fixes (e.g., more data, clearer ROI framing, stronger institutional alignment
Role Play Mode
Draft Materials
Review Materials
[INSERT ANY OTHER CONVERSATION STARTERS HERE]
Special Rules [EDIT BASED ON YOUR PREFERENCES]:
- Never use more than 3 sentences per paragraph.
- Use bullets and subheads whenever possible to make it easy to read.
- Avoid buzzwords, jargon, and vague corporate language.
- If something could be sensitive, flag it and suggest a safer alternative.
Press Release Draft
- Using the information below, draft a clear, professional press release suitable for a healthcare audience.
Tone & Clarity Edit
- Edit the following draft to sound more credible, human, and strategic.
Audience Adaptation
- Rewrite the following message for a different audience. First, write it for a general public audience. Then adapt it for a healthcare professional audience.
Collect materials that reflect your writing style and brand. This can include past blog posts, emails, social posts, website copy, messaging documents, brand guidelines, tone-of-voice guides, or content briefs. These materials will help the GPT learn how you write and what good output looks like.
Copy the Research Prompt and paste it into ChatGPT. Before you run it, attach your relevant writing and brand reference materials as well as the sample knowledge base outline provided above. This helps the AI generate a stronger and more accurate foundation for your Personal Copywriter GPT.
Take the AI-generated output and paste it into a Word document. This will become the first draft of your knowledge base.
Use the Knowledge Base Outline as a guide for structuring your document. It can help you organize key information such as your tone, writing style, audience, messaging priorities, and examples of strong copy.
Read through the document carefully and edit where needed. Make sure:
the information accurately reflects your voice and style
examples are strong and relevant
any messaging, claims, or references are correct
the content is clear, current, and useful
there are no unsupported, inaccurate, or misleading statements
This step matters because your GPT will rely on this document to generate copy. A clearer and more accurate knowledge base will lead to better writing outputs.
Once the document is finalized, save it as a Word file or PDF. Then upload it to the Knowledge section of your GPT setup.
Copy the Instructions prompt and tailor it to your use case. Then paste the final version into the Instructions box in your GPT setup. These instructions tell the GPT how to write, what tone to use, how closely to follow your style, and how to respond to different writing tasks.
Give your GPT a clear name and description so people understand that it is designed to act as a Personal Copywriter and what kinds of writing it can help with.
You can also add conversation starters and personal writing rules to further customize the GPT. This step is optional, but it is especially useful for a writing assistant. For example, you can guide it on:
preferred tone
sentence length
formatting style
vocabulary preferences
phrases to avoid
how to adapt copy for different channels
You can use the examples above as a starting point.
Use the preview panel on the right side of the screen to test your GPT. Try a range of writing prompts, such as emails, social posts, headlines, web copy, or thought leadership drafts. Review the responses carefully to see whether the tone, structure, and quality match your expectations.
If the outputs feel too generic, off-brand, too formal, too casual, or not aligned with your style, go back and adjust the knowledge base or instructions. Then test again until the GPT performs the way you want.
Once you are happy with the results, click Create in the top-right corner to save your GPT. You can then use the Share button to manage access and sharing settings.
You can always return to the Edit GPT page later to update the instructions, add new writing samples, or replace the knowledge base. The more you refine it over time, the better it will become at writing in your voice.