Diagonal brainstorming

Groupthink works against breakthroughs.

Too often a good idea dies too soon from ‘been there done that’ comments, or fails to thrive because everyone is seeing the same horizon from the same vantage point. Effective brainstorming is about seeing things in different ways. In an organization, it can be achieved by putting together people from different specialties or departments, of various ages, from assorted cultures, individuals who have different stakes in the future.

We facilitate ‘diagonals’, a format we’ve developed to generate fresh thinking in a short period of time. It’s like having a number of focus groups running simultaneously. 

These sessions:

  • identify issues and ideas at the start of a project 
  • validate plans shortly before implementation 
  • build engagement and ease implementation


  • Session design and preparation
  • Facilitation of session(s)
  • Written report of findings
  • Review findings with commissioning manager(s)


  • Sessions are either a half-day or full day
  • Key variables are the scope of the project and size of the group