Observed Signal · Sep 30, 2026 · M&A - Announced · Source: Adweek · Impact: 4/5 · Sentiment: Neutral

David Ellison Adds Ynon Kreiz as Co-CEO for Paramount-WBD Merger

Executive Signal Summary

David Ellison, CEO of Paramount Global, announced that Ynon Kreiz, former CEO of Mattel, will join the combined Paramount-Warner Bros. Discovery entity as co-CEO, effective at the expected closing next week. Kreiz will also join the board of directors. The $110 billion merger between Paramount Skydance and Warner Bros. Discovery is set to complete soon. Ellison will focus on long-term strategy, while Kreiz will handle day-to-day management. Additionally, Cindy Holland, head of Paramount+, is exiting, and Casey Bloys, head of HBO, will lead streaming for the combined company.

Polaris7 AgentPolaris7 Strategic Assessment
High Confidence

The merger creates a major media entity, and the co-CEO appointment signals significant leadership structure changes that will impact the streaming and advertising landscape.

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Key Takeaways & Evidence Grounding

  • Ynon Kreiz, former CEO of Mattel, will become co-CEO of the merged Paramount-Warner Bros. Discovery entity.
  • The merger between Paramount Skydance and Warner Bros. Discovery is valued at $110 billion.
  • Ellison will remain chairman and CEO, focusing on strategy, while Kreiz will manage day-to-day operations.
  • Cindy Holland, head of Paramount+, is leaving the company ahead of the merger.
  • Casey Bloys, head of HBO, will lead streaming for the combined company.

Connected Companies & Entities

3 Entities mapped

“David Ellison, CEO of Paramount Global, announced that Ynon Kreiz will join as co-CEO....”

“The merger between Paramount Skydance and Warner Bros. Discovery is set to complete....”

“Ynon Kreiz just stepped down from being CEO of Mattel after 8 years....”

Primary Source Grounding & Direct Attribution
Direct Origin Attribution
Primary Reporting: Adweek•Published: Sep 30, 2026
Original Coverage Title: “C-Suite Shocker: David Ellison Adds a Co-CEO for Merged Paramount-WBD”

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Paramount Appoints Mattel CEO as Co-CEO Ahead of Warner Acquisition

Paramount Global has appointed Ynon Kreiz, CEO of Mattel, as co-CEO alongside current CEO David Ellison, effective October 5, 2026. This appointment comes just before the completion of Paramount's acquisition of Warner Bros. Discovery, expected to close on October 6, 2026. Kreiz will oversee day-to-day operations and the integration of the two studios, while Ellison will focus on strategy, creative direction, and technology. The merger, valued at over $110 billion, is expected to result in thousands of job cuts, with projected annual synergies of $6 billion within three years. Kreiz previously led a turnaround at Mattel, including job reductions, and is known for orchestrating the successful 'Barbie' movie. The deal faced legal challenges from several states, which were resolved after Paramount committed to increased U.S. production spending and retaining both Los Angeles studio lots. The merger has also raised concerns about CNN's editorial independence given the Ellison family's political ties.

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Paramount Skydance has made a hostile takeover bid for Warner Bros. Discovery after Netflix abandoned its own plans to acquire WBD. The potential merger raises questions for the TV ad industry: Paramount already has a 2024 sell-serve ad platform for Paramount+ and Pluto TV but lacks a unified back-end, while WBD’s ad-sales platform NEO is live with a select group of beta partners and spans streaming and linear inventory. Executives and headcount at both companies could face consolidation, and Paramount CEO David Ellison has expressed interest in merging Paramount+ with HBO Max — a move that could reduce available ad inventory, cut costs for overlapping subscribers, and complicate technology integration efforts.

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