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Enterprise AI Investment Decision Brief

A framework for putting an AI investment decision to leadership: the decision asked for, the options, what it takes, how it can fail and how you will know.

Download PDFVersion 1.0 · Updated October 20, 2026 · 61 KB

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Line illustration of an investment decision brief with the decision still open, drawn as a ticked sheet, one row unanswered.

What the brief asks

  • The decision requested, in a sentence a reader could answer yes or no to, and why now
  • The change in how work is done, described before the technology
  • Options considered, including doing nothing and a smaller version, in a table of what each would take, its main risk and why it was chosen or set aside
  • What it takes: people, data, approvals and process change, with a named owner
  • How it can go wrong, how you will know it is working, and what would make you stop
  • What you need from leadership, the named owner after launch and the date of the next review

Writing it

  1. 01

    Answer the rule for every section

    For each entry, state what you know, what you are assuming, and what would change your mind.

  2. 02

    Attach the analysis, do not paste it

    Where an entry needs a figure, write the reasoning in words and attach the supporting analysis separately, with its source.

  3. 03

    Write for a reader who was not in the project

    The brief is meant to be read in a few minutes. Cut anything that needs the project history to follow.

What it does not replace

A brief supports a decision. It does not replace the analysis behind it, and it should link or attach that analysis with its source. To rank candidate use cases before you write it, use the AI Use-Case Prioritization Tool and Matrix.

On this page

How the options table gets filled

This is where a decision brief usually fails: the options are the favored one and two that were never considered. Fill the table like this.

OptionWhat it would takeMain riskWhy chosen or set aside
Do nothingNo spend, and an agreed account of what the current way costsThe cost of waiting is not seen until laterSet aside only if the cost of waiting can be shown in words
A smaller versionA single team and process, and a first step that can be reversedMay not show the effectChosen when it can be stopped cheaply
The proposalThe people, data, approvals and process change listed under what it takesNamed, with who is affected and how soon anyone would noticeChosen because the smaller version cannot test the central assumption

A leader asked to approve a brief with no stop condition is being asked to approve an open commitment.

What do people ask before writing an AI investment decision brief?

What should an AI investment decision brief open with?

The decision requested, in a sentence a reader could answer yes or no to, followed by why now. Next comes the change in how work is done, described before the technology. A leader then knows what is being approved, by whom and what has changed.

Which options belong in the options table of the brief?

Doing nothing, a smaller version and the proposal itself. Each row says what it would take, its main risk and why it was chosen or set aside. Briefs usually fail here when the options are the favored one plus alternatives that were never really considered.

Where do the figures go in a decision brief?

Write the reasoning in words and attach the supporting analysis separately, with its source. The brief is meant to be read quickly by people who were not in the project, so detail and history belong in the attachment, and anything needing the project history to follow is cut.

Why does a decision brief need a stop condition?

Because a leader asked to approve work with no stop condition is approving an open commitment. Agree the conditions in advance with the sponsor and the finance partner, such as a quality level, a cost that triggers review, or a risk event that pauses the work.

Framing a real investment decision?

Describe what you are weighing in a few lines. A senior practitioner replies with a suggested first conversation.