This is the wrong question!
Every number an be right or wrong. Do not believe in percentages written down in books! Think Six Sigma!
The better questions are – about identifying the root causes (does this sound familiar to you?!): Why do you want to educate these Belts? How many projects do you plan/ need to run (in parallel) to inprove process and business performance? How many Belt can you manage and coach on a high quality level? How much (process) change is your organisation able to implement efficiently?
Based on answering these you will find the most appropriate number of Belts for your company.
Kind RegardsNorbert, GE-certified MBB
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