Brief · Template
Decision Memo.
LiveDecision MemoPut a named decision in front of the person who owns it: the recommendation first, every option scored the same way, and the reasons you can defend.
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When to use it
You have a choice between real options, a person who must decide by a date, and a cost if the choice is wrong.
Who it is for. The person who recommends and the person who decides: brand, regulatory, market access, medical, pricing and portfolio leads who have to put a recommendation in front of a committee or a general manager.
Why decisions stall, and why they go wrong
What you get
The answer on the first screen. The decision, who decides, by when and whether it can be reversed cheaply, then the recommendation in one sentence. A reader who stops there still has what they need.1
Options judged the same way. Every option, including doing nothing, is scored against the same named criteria. You see the ranking, why the winner wins, and the strongest argument against it, with an answer.5
What the answer depends on. The assumptions that must hold, each with a test and a date, and the uncertainties that would flip the result.5
How it could fail. The causes of a failure a year from now, with the early warning and an owner for each, then the first move, the gates and what is not yet known.6
Nothing unsourced passed off as fact. Every number is cited or marked as a gap. A score that is judgment is labeled as judgment. A figure nobody could find is never drawn as zero.
What is in it, by length
| Section | Brief | Standard | Comprehensive |
|---|---|---|---|
| Decision requestedWhat is being decided, by whom, by when, how reversible | ● | ● | ● |
| RecommendationWhat you advise, and why in one sentence | ● | ● | ● |
| Context and framingWhy now, what is in scope and out | – | ● | ● |
| Options consideredHow the options compare on the same criteria | ● | ● | ● |
| Why this option winsWhat decides it, and the strongest case against | – | ● | ● |
| What must be trueWhich assumptions carry the answer, and how to test each | – | – | ● |
| What would change the answerWhich uncertainties would flip the result | – | ● | ● |
| Risks and the pre-mortemHow it could fail, and the early signal | – | ● | ● |
| Path and what we do not knowFirst move, gates, owners, open gaps | ● | ● | ● |
A Standard memo runs about 1,700 words and up to 2,000. A Comprehensive memo runs about 3,500.
Choosing a length
Choose Standard for most decisions. Choose Comprehensive when the decision is hard to reverse or rests on assumptions you must test. Brief is a quick screen: it leaves out the context, the reasons and the risks.
The standards and practice behind it
The structure and the checks come from published decision practice. These are the references we drew on and what we took from each. None of their authors has reviewed the template.
| What we took | From | Where it shows |
|---|---|---|
| Lead with the decision; keep the paper to what the decider must decide, and put the request first | A university board’s guide to writing a request for decision1 | The decision block and the one-sentence recommendation come first; a Standard memo stays within about 2,000 words |
| Reason in connected sentences, not bullets, so the writer has to commit to causes and effects | Amazon’s narrative memo, as described by its former executives and by an outside account2,3 | Why this option wins, the context and the risks are prose; tables and charts carry only the comparison |
| Say whether the decision is a one-way or a two-way door, and match the process to it | Amazon’s 2015 letter to shareholders4 | The reversibility line in the decision block |
| Check the quality of the decision, not only the document: framing, alternatives, information, values and trade-offs, reasoning, commitment | Decision Quality (Spetzler, Winter and Meyer)5 | The same criteria across all options; the alternatives always include doing nothing |
| Imagine the plan has failed and explain why, while there is still time to change it | The project premortem (Gary Klein)6 | Risks and the pre-mortem: causes, early warnings and owners |
| Name who recommends, who must agree and who decides | RAPID decision roles (Rogers and Blenko, Bain and Company)7 | The decider line in the decision block |
| Show probability of success and risk-adjusted value, not only the upside | Risk-adjusted net present value in pharmaceutical asset valuation8 | Probabilities are cited base rates or labeled analyst estimates |
| Choose the chart for the question, and draw it only from sourced data | The Financial Times Visual Vocabulary9 | The scorecard, ranking and risk map; no chart is drawn from numbers that were not sourced |
What it will not do
It does not make the decision. The named decider does.
Scores and weights are analyst judgment from an AI specialist, not measurements. They show how the options compare on the criteria you chose; change the weights and the ranking can change.
It is one specialist’s answer. When you need several specialists to disagree in the open, run a Panel.
Facts the specialist could not source appear as gaps. Regulatory fees, review goals, reference prices and probabilities are cited to their sources or left open. Check any figure you will act on against its primary source.
References
- [1] University of Saskatchewan, Board of Governors. Preparing a High-Quality Request for Decision (RFD): guide for board document preparation. March 2026. Sets a two-page limit on the request and tells authors to focus on what the board must decide.
- [2] Callahan, S. Amazon’s six-page narrative structure. Anecdote, 8 May 2018. An outside account of Amazon’s narrative memos, not an Amazon document.
- [3] Bryar, C. and Carr, B. Working Backwards: Insights, Stories, and Secrets from Inside Amazon. St. Martin’s Press, 2021. Publisher listing. By two former Amazon executives.
- [4] Amazon. 2015 Letter to Shareholders. Published 2016. Introduces one-way (Type 1) and two-way (Type 2) decisions.
- [5] Spetzler, C., Winter, H. and Meyer, J. Decision Quality: Value Creation from Better Business Decisions. Wiley, 2016. Publisher listing; the six elements are as summarized in a 2025 review.
- [6] Klein, G. Performing a Project Premortem. Harvard Business Review, September 2007.
- [7] Rogers, P. and Blenko, M. Who Has the D? How Clear Decision Roles Enhance Organizational Performance. Harvard Business Review, January 2006. Bain and Company.
- [8] Alacrita. Valuing Pharmaceutical Assets: When to Use NPV vs rNPV. White paper.
- [9] Financial Times Visual Journalism Team. Visual Vocabulary. Financial-Times/chart-doctor repository.
Links checked 9 October 2026
These are the sources the template drew on. None of their authors or issuers has reviewed it.
About the Brief service
A Brief is a written answer from one specialist, at the depth you asked for. It arrives with its sources, and it closes by saying plainly what would change the conclusion. Nothing is hidden behind a summary, and anything the expert could not source is marked as a gap rather than filled in.
Use cases for the Decision Memo
7 ready-to-run use cases. Each opens its own page with the question, the specialists, the standards and the references.
To edit a saved template, open New → Brief → From template, or the library rail on the service form.