One day she might be the most powerful person on Earth.

"Work toward the most powerful single person you can find."

Which makes you just about the most powerful person on earth.

He was considered to be the most powerful person in Europe at the time.

The artist is not the only powerful person in the room.

"I thought the most powerful person in America was the president."

Instead, the most powerful person is the head of government.

A president may be the most powerful person in the country.

She was sometimes called the most powerful person in America.

It doesn't matter if you're the least powerful person in the room.