By: Sandra Davis, Founder and CEO, Donorly on August 13

There are two key things that drive your Capital Campaign: Your vision and your ability to use storytelling at every stage of the campaign.

Last week, I wrote about the myth of perfect timing—that there will never be a flawless moment to launch a campaign, start conversations with major donors, or embark on a bold initiative. This makes starting more necessary.

As a nonprofit leader, you already have a bold vision; you know the destination you are trying to reach, and storytelling is what allows you to bring others along with you. With it, you transform message into movement, and you turn possibility into engagement. But when it’s time to write the Case for Support, where do you start focusing?

Data?

The timeline?

A list of impact statistics?

These are important, but they are not what motivates people to give.

Have you put in a lot of effort to prepare a Case for Support filled with excellent data and beautiful graphics, yet still feel that something is missing?

This shows up everywhere in fundraising. I’ve seen it in campaign presentations, donor appeals, annual reports, and even in elevator pitches. We often start with outputs: how many beneficiaries, how many square feet, how many sessions held. This is important information, but it’s not what truly inspires donors.

In my years working with nonprofit teams across the country, I’ve repeatedly seen that stories about one person that embody the results of the work are what inspires giving. We all want to know how a life or community has changed. How the world becomes a better place because of our mission. And we all respond to a story of transformation.

Storytelling is what motivates your donors, your board, and your community to action. If you want to inspire giving, your messages must resonate and move people. They should make them feel a part of something urgent, filled with hope, and profoundly human.

Now, let’s discuss how to write a Case for Support that does this effectively.

What is a ‘Case for Support’ and why does it matter?

Let’s start with a simple definition:

Case for Support is a compelling narrative that outlines your vision, the degree of urgency, and the opportunity for donor engagement, serving as the emotional driver of the campaign—the messaging piece that helps your audience say “yes.”

However, many nonprofits treat it as a formal procedure: they weigh it down with data, timelines, and negative language, focusing on what needs to be done rather than why it matters. The result? A beautifully designed brochure or PDF that no one reads and doesn’t lead to real action.

What a Case for Support cannot be:

1. A White Paper

2. An Executive Summary

3. A Grant Proposal

4. An Internal Planning Memo

What a Case for Support can be:

1. A fundraising narrative that awakens belief

2. A donor-focused call to action

3. A guiding beacon for every communication message in the campaign

Whether you’re raising $250,000 or $25 million, you need a Case for Support that creates emotional resonance and provides a clear call to participate.

Why emotion drives giving (not just logic)

Perhaps you’ve seen this saying before: “People give from their hearts, then justify it with their brains.”

This is backed by extensive research in Behavioral Economics and Neuroscience, showing that people are more likely to act out of emotion rather than logic and then look for information to support the decision they’ve already made.

I know you don’t want to believe that you make your decisions this way, but we all do. As a result, your job is to give them both:

1. A story that emotionally moves them.

2. And evidence that reassures them intellectually.

The three core components of a Case for Support that resonates

What framework do organizations use when writing or evaluating a Case for Support:

1) A clear and compelling vision

Describe what the future looks like when your campaign succeeds. Be bold. Be specific. Help the donor see what they’re building with you, and then avoid vague phrases like “transforming our community” or “empowering lives,” and instead connect your vision with images and actions. Show rather than just tell.

2) An urgent and immediate need

Why now? What’s at stake? What happens if the initiative doesn’t move forward? Use language that is urgent yet sincere, and don’t exaggerate the disaster, nor downplay it either, then quantify the need where possible (briefly, after telling the story).

Example: “We have exceeded the capacity of our current clinic, and without this expansion, we will have to turn away 3 out of every 10 patients by next year.”

3) An emotional anchor

Stories are the heartbeat of the Case for Support, inviting you to share just one story that puts a human face on your work and use names (with permission or pseudonyms) and then focus on the moment of change and make it a moment of high focus and clarity (maximum 200–300 words).

Example: “Through our first-generation college student mentoring program, we help students who are the first in their families to attend college navigate higher education. Salima, now a sophomore, volunteers as a mentor to pay it forward by providing the guidance and advice that helped her succeed.”

How to write a story that motivates giving

You don’t need to be a novelist; all you need is clarity, humanity, and focus.

Here’s a simple structure to follow:

Start with a human story

Introduce us to one person and give them a name, then let us see what has changed in their life thanks to your work: “When Suhail joined our after-school program, he hadn’t spoken a word in class for three months. Today, he leads our youth leadership circle.”

Make the donor a partner in your mission

Put the reader in a position of being able to accept the transformation: “Your gift provides students like Suhail a place where they are seen, heard, and inspired to lead.”

Set stakes and a conclusion

What is the challenge here? What has changed? What still needs to change? “Suhail found a place where he belongs and thrives, but 80 other students are still on our waitlist.” These two sentences help you paint a mental picture, and that’s what makes the information unforgettable.

Use sensory and visual language

Pull us into the scene. Think: What do they see now, what do they hear, feel the moments, and quotes akin to the scene of Suhail how “he stood in front of the microphone, his voice trembling, saying: I was invisible and today I am not.”

Detailing the Case for Support by audience segments

One Case for Support should guide all of your messages, but not every donor needs the same level of detail.

1. For major donors:

Provide broader context around financials, leadership, and vision because these donors think like investors, then use visuals such as renderings, timelines, or naming opportunities. Be bold and ambitious.

2. For community donors or new supporters:

Focus on the story and the clarity of the message, keep it accessible and concise, and use quotes, images, and deliver a strong call to action (CTA).

How to use the Case for Support strategically

Don’t just write it and forget it, as a strong Case for Support is a living and practical document that fuels your campaign across multiple channels, including:

1. Major donor decks

2. Website landing pages

3. Campaign videos

4. Board training sessions

5. Staff talking points

6. Email and direct mail appeals

7. Grant proposal language

All elements should align with the core story itself.

The final gut check: 5 questions before hitting ‘send’

Ask yourself:

1. Is there a story about one person that illustrates your message alive in action?

2. Will the donor want to keep reading after the first paragraph?

3. Does the text sound like a human wrote it?

4. Is the donor invited to play a role?

5. Does the degree of urgency come through clearly?

If you have any doubts, talk to the voices that matter most: your program team, beneficiaries, and donors.

You don’t need to be a novelist—just be honest

Ultimately, a Case for Support isn’t about finding the perfect words, but about:

1. Telling the truth about what you are trying to build.

2. Naming what’s at stake.

3. Inviting someone to stand with you to achieve that.

4. Clarity. Heart. A bold and specific call. That’s what moves money.

In the end, a ‘Case for Support’ remains the most impactful document when built on clarity of vision, truth of need, and human storytelling that connects giving with tangible results. What makes the difference is not the embellishment of phrases, but the credibility of the story, the interconnection of data, and a clear invitation that empowers the donor to play a specific role in a measurable achievement.

Scrutinize your organization’s messages rigorously: a story of one person, a specific call to action, or even a justified level of urgency, and succinct evidence that reassures the mind after the heart has been moved, and when these elements are managed professionally, the campaign becomes a lasting commitment, and the bond of trust with donors deepens.

Legal note: This article is a rephrased adaptation from an original article published on Donorly by Sandra Davis, and the translation is non-exclusive, with literary rights reserved for the author and source.