Something to doWorking with others

Bring someone into a project fast

A simple one-page brief that gets a new person useful quickly, and tells them exactly what you need from them

Why it’s worth your time

People joining a project spend their first days piecing together context everyone else takes for granted.

One way to do it

How to write a one-page project brief

You’ll come away with a one-page brief and a clear ask the new person can act on.

We’ll turn this into a checklist you can tick off.

  1. Draft the one page.

    Write it for the person joining, not for the project archive. Short answers are fine; it's a starting map, not the full history.

    Stays in this browser only. Nobody else sees it.

    Tip: If you can't write the ask in a sentence, work that out before they start. It's the part they'll act on.

  2. Send it a day before you meet.

    A day to read it means the first conversation can be their questions rather than your walkthrough.

    To: the person joining

    Glad you're joining the project. I've put the goal, where we are, who's involved, and what I'm hoping you'll take on into one page: link

    Could you give it a read before we talk on day? Bring every question you have. What's unclear to you is probably unclear to the next person too.

    Swap the highlighted parts for your thing. Works on Slack, in email, or said out loud.
  3. Meet for 20 minutes and let them lead with questions.

    Start with what confuses them. It's the best guide to what the page is missing.

    You“What's the least clear part so far?”
  4. Update the page, and check in after a week.

    Add whatever they asked about, so the next person gets a better version. A week in, ask how it's going and what would help.

Good moments for this: when someone joins a projectwhen you ask another team for helpbefore bringing in a contractor or agency

We’ll turn this into a checklist you can tick off.

If this was useful

Keep going with Truest

Small actions add up. Truest helps you find the next thing worth doing, make the space to do it, and keep a record of your progress. It’s a private place to work on your career, and it’s yours, not your employer’s.

  • It actually happensDo it now, and you’ve invested in your career today.
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  • It’s yours to keepEach thing you do is saved to your private record, there when your next review or job search comes around.

Making it work for you

Every workplace is different. Here’s what to think about before you start, and what might get in the way.

Things to think about

New people often reopen settled questions because nobody told them they were settled. Saying so upfront protects their time and the team's.

What might make this harder

Be clear about what you need and generous about why they were picked. Ask what would make it worth their time, and listen to the answer.

Questions people ask

How do I onboard someone to a project quickly?

Give them a one-page brief before you meet, covering the goal, where it stands, who's involved, what's decided, and exactly what you need from them. Then let them lead with questions.

What should a project brief include?

The goal and why it matters, the current state, what's already decided, who's involved, and the specific ask with a date. One page is usually enough.

How do I ask someone from another team to help on my project?

Explain the goal, why their skills fit, the specific help you need and by when, and what's in it for them. Copying their manager keeps it fair and visible.

The longer read

Why this works, and where it comes from

Joining a project midway is disorienting in a way people forget once they're inside one. Everyone else knows the goal, the history, who's touchy about what, and which questions are settled. The new person has to reconstruct all of it from threads and meetings, usually while trying to look like they already know.

The part most often left out is the ask. People explain the project and hope the newcomer works out where to help. From their side, a specific ask is far easier to act on than a warm welcome. A welcome leaves them guessing what good looks like. Saying exactly what you need, by when, and why you picked them gives them a target and a reason to care about hitting it.

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An exercise written by Truest, based on our experience. Last updated September 25, 2026. We sell a career membership; where that’s relevant above, we say so.