It's not clear what title Greenstein will hold once David Ellison's $8 billion deal to buy Paramount Global officially closes.

Under the two-step deal, Skydance is set to acquire controlling shareholder Shari Redstone’s holding company National Amusements, which controls 77.4% of the Paramount Class A common stock outstanding and approximately 9.5% of the overall equity of the company, before merging with the Hollywood studio.

In just under two weeks, Paramount Global will complete its merger with the smaller Skydance Media to form “Paramount Skydance Corp.” — and bring a rollercoaster M&A ride to its conclusion. The FCC cleared the Skydance-Paramount deal Thursday,