Final answer:
Heidi should analyze the existing culture, announce changes to the entire company simultaneously, and reward franchise owners that contribute to the change.
Step-by-step explanation:
In order to successfully change the organizations of her franchise owners to match the culture of Mars, Inc., Heidi should take the following actions:
- She should look at her organization as a whole and analyze how the change will affect the existing culture.
- She should announce changes to the entire company at once and get everyone to change simultaneously, ensuring a consistent and unified transition.
- She should reward those franchise owners that contribute to making the change to motivate and incentivize positive behavior.
By following these steps, Heidi can effectively facilitate the cultural change within her franchise owners' organizations.