Unclear TKO can unilaterally force Vince McMahon out as Executive Chairman and may instead need to somehow convince him to resign if they want him gone.

From TKO's Certificate of Incorporation:

"7.2 Executive Chair. Notwithstanding Section 7.1(b), Vincent K. McMahon shall serve…

— Brandon Thurston (@BrandonThurston) January 26, 2024