Chief of Medicine?The man from Grey's Anatomy.
The title of the person appointed by the court to settle the estate of a person who left a will is the executor.
The title of the person in charge of the opposition is the leader of the opposition. This is the term that is used in most countries. The opposition serves as a watchdog to the government.
The hospital management, the doctor in charge or the matron are the person who are responsible for quality care in a hospital.
Depends on the business structure of the hospital. If incorporated, Chairman of the Board or Chief Executive Officer. I've also seen Head Adminsitrator used. I am not aware of any title that is gender specific.
Police comissioner
Icelander
a soundtrack person or the person who is in charge of the music department for that film
The Queen or someone on behalf of her.
I believe this is the Quartermaster.
It is not necessary to capitalize "hospital administration" in this context unless it is the official title of the degree or program. Instead, you can simply say that the person earned a master's degree in hospital administration.
CFO or Chief Financial Officer
The ward Sister is usually the person in charge.