<!-- Double Diamond brief · from Chapter 21 of The Product 360 Handbook -->

# Double Diamond brief · [Challenge] · [Date]

**Owner:** [PM]   **Designer:** [Name]   **Current phase:** Discover / Define / Develop / Deliver

## The request as received
[What the customer or stakeholder asked for, in their words. Treat it as a clue, not a brief.]

## Discover (diverge on the problem)
- People to spend time with (by persona, including the buying group):
- Methods: observation, interviews, data review
- What surprised us:

## Define (converge on the problem)
- Point of view or job story: When [situation], [persona] wants to [motivation], so they can [outcome].
- Problem statement we will design for:
- What we're explicitly not solving:

## Develop (diverge on solutions)
- Options generated (at least five, including "do nothing"):
- Co-design sessions held, and with whom:

## Deliver (converge on a solution)
- Small-scale test and its experiment card:
- What failed and was rejected:
- What will be improved and carried forward:

## Loop-backs
| Date | From phase | Back to phase | Why |
|---|---|---|---|
| | | | |