The Skydance and Artists Equity backer and the talent manager's investment firm will deploy the cash toward companies "at the convergence of technology, media and culture."
A longtime confidant of David Ellison and the former president and COO of Skydance Media, Sisgold most recently led the company's Paramount Sports Entertainment division.
The company is also moving all former Warner Bros. Discovery employees to five days per week in-office, aligning with Paramount’s return to office plan.