Translation of physician in German

Let me explain: A company that has may difficulties needs to change its behavior, its organization, its business plan and sometimes the entire management. In this case, change must happen anyway.
Sometimes this is an outcome of personal problems or incidents. For example, there could be a crime commited by someone of a certain origin. The consequence could be that the victims would blame an entire community.
It was fantastic to see that each ice berg had its own form and color. Unfortunately we could not reach all galciers, some were blocked by their own ice breaking off and floating in the lake.