David Ellison won Warner Bros. Now he has to prove Paramount can beat Netflix at its own game.

Paramount Skydance CEO David Ellison's ambitions go beyond buying Warner Bros. Discovery.

NurPhoto/Getty; PATRICK T. FALLON/Getty; Tyler Le/BI

• David Ellison has shaken up Hollywood since becoming CEO of Paramount Skydance.
• Paramount employees and TV viewers will see big changes as Ellison looks to build a streaming powerhouse and buy WBD.
• Paramount has already made moves behind the scenes, like reorganizing teams and hiring key execs.

David Ellison is tackling...