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Heuristics

EventStorming: One (co-)facilitator for every 15 participants

by Tobias Goeschel

How many conversations can a single facilitator keep track of?

For a Big Picture EventStorming, we can have around 20-30+ people per wall - but even an experienced facilitator will have a hard time noticing subtleties, body language and tonal nuances when more than 2-3 conversations are going on at the same time. Limit the group size per facilitator to ~15. For larger groups, it is advisable to add co-facilitators to help with the things happening behind your back.

Examples

  1. Doing a Big Picture EventStorming.

  2. A co-facilitator should be present for every group of 15 participants.

  3. The workshop agenda and general workings should be guided by the main facilitator.

Context

Setting up for a Big Picture EventStorming session