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How I Reduced Meeting Time by 30% Using This One AI Habit

Every week I was spending 8-10 hours in meetings. Most of them were fine. But a significant portion were meetings that either didn't need to happen at all, or ran 30 minutes longer than they should have.

After some digging, I realized the root cause wasn't discipline or culture — it was a preparation problem. Most meetings failed before they started, because the agenda was unclear.

Here's the AI habit that changed that.


The Problem with Most Meeting Agendas

A typical agenda looks like this:

  • Project status update (30 min)
  • Q3 planning discussion (20 min)
  • Misc / AOB (10 min)

This agenda is useless. It doesn't tell anyone what decisions need to be made, who is responsible for each item, or what success looks like. It's a list of topics masquerading as a plan.

The result: meetings where people talk until time runs out, then schedule a follow-up.


The Habit: AI Agenda Review, Every Time

Before every meeting I organize or attend, I run the agenda through this prompt:

Here's my meeting agenda: [paste agenda].

Review it and:
1. Flag any item that doesn't have a clear decision or outcome stated
2. Suggest which items could be handled async instead
3. Add a time box to each remaining item
4. Identify who should own driving each agenda item
5. Suggest one clarifying question I should ask before the meeting starts

Meeting details: [duration, attendees/roles, context]
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What It Catches

Here's what this catches that humans routinely miss:

"Status update" items — 80% of the time, these can be a Slack message or email. AI will flag these consistently.

Decision items without a decision-maker — If there's no clear accountable person, you're setting up for a circular discussion.

Bloated agendas — A 60-minute meeting with 8 agenda items is a fantasy. AI will do the time math and tell you which items to cut.

Missing pre-work — Sometimes the right outcome is "get data from X before we can decide." AI catches when you're trying to make decisions without the necessary information.


Real Example

I recently had a sprint review agenda:

  • Demo new features (15 min)
  • Discuss sprint velocity (10 min)
  • Backlog grooming (20 min)
  • Team feedback (10 min)
  • Planning for next sprint (15 min)

Running it through the prompt revealed:

  • "Discuss sprint velocity" could be an async Slack post + reactions
  • "Team feedback" had no owner or specific questions
  • I was trying to do backlog grooming AND sprint planning in 35 minutes — impossible

The revised meeting was 45 minutes instead of 70, and we actually finished it.


The Bigger Picture

The goal isn't just shorter meetings — it's meetings where everyone knows why they're there and what they need to contribute.

When you arrive at a meeting and the agenda is crystal clear, you can prepare. When you prepare, you contribute better. When everyone contributes better, decisions happen faster.

That's how you get 30% of your meeting time back.


I write a weekly newsletter called Ahead of Schedule about practical AI habits for project managers and team leads. Every issue is one thing you can use this week.

Subscribe free: https://buttondown.com/marcustillerman

What's your biggest meeting pain point? Drop it in the comments — I'll cover it in a future issue.

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