How can one ensure they are defining their new role correctly?

One can ensure they are making effective changes in a new role by first understanding how their current skills relate to the new role. It's important to diagnose the situation and understand the company climate before making any changes. Understanding how the company operates and how they define the new role is crucial. Only when someone understands the company culture and politics will they be able to make effective changes.

Some potential challenges when adapting to a new company climate could include understanding the company's culture and politics, defining your role within the company, and resisting the urge to make changes quickly before fully understanding the company's operations.