In a major move atop one of the world’s largest entertainment companies, Comcast has named Mike Cavanagh co-CEO, joining Brian Roberts atop his family’s communications conglomerate.

Cavanagh was most recently president of the company, and also effectively ran NBCUniversal , with all of the media company’s executives reporting to him. He joined Comcast as CFO in 2015.

Cavanagh’s elevation will be effective Jan. 1, at which time he will also join the Comcast board of directors. Roberts will remain as chairman and co-CEO.

In a major move atop one of the world’s largest entertainment companies, Comcast has named Mike Cavanagh co-CEO, joining Brian Roberts atop his family’s communications conglomerate.

Cavanagh was most recently president of the company, and also effectively ran NBCU

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