The failure of the initiatives by Lean Six Sigma in the final stages most often than not is due insufficient funds and human support.
Any change needs to be supported consistently for a while to get the desired results and when that does not happen then the severity of old habits pulls the organization back into its old mould, giving the same old results and not the once that are desired.
In order to save the buyer from repenting for spending considerably on the reinforcement of the Lean Six Sigma initiative, the following tips should be taken into consideration:
1) Focus on sponsor engagement and coaching.
2) Implement a structured change management process.
3) Formulate a communications strategy that makes a direct connection from individual behavior to organizational goals.
4) Establish a feedback process on the impact and reaction to your communications.