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MrBeast teased a new membership program at a private advertiser meeting.

The world's biggest YouTuber also touted plans to expand into content areas such as food and finance.

The gathering during TV upfronts week was a sign of how big creators are gunning for TV ad dollars.

MrBeast is planning a membership program as the world's biggest social media star looks beyond YouTube to build a diversified entertainment company.

Beast Industries executives shared the news Tuesday at an invite-only breakfast for brand and ad executives and industry insiders at Penthouse 45, a swanky Manhattan event venue.

On tap were Jimmy Donaldson (aka MrBeast), Beast Industries CEO Jeffrey Housenbold, and Partnerships SVP Beau Avril.…