There's a new boss at Warner Brothers Discovery, one of the biggest media companies in America.

His name is David Zazlov.

David Zazlov.

Warner Brothers Discovery CEO David Zazlov.

Our colleague Joe Flint has covered him for years.

David Zazlov is now sitting at the helm of one of the biggest content providers.

Basically, every type of content you can think of, Warner Brothers Discovery has it.

That's dozens of assets, making up the news and entertainment we consume.

Warner Brothers Movie Studio, HBO, CNN, the cable networks, TNT and TBS.

Some of these properties aren't exactly household names.

Silverback films, raw TV, and...

Others are huge.

The Oprah Winfrey Network DC Comics, the travel channel, True TV.

The point is, Zazlov controls a vast empire, which makes him one of the most powerful people

in media.

Cartoon Network, boomerang, adult swim.

Do you want me to go on?

I think that's enough.

And he's using that power to make big changes.

So far, it's mostly cuts.

Within his first five months on the job, David Zazlov has taken a weed wacker to Warner Brothers

Discovery's sprawling empire.

...