Separately, she is expected to meet with the company’soversight board, which reviews Facebook’s moderation decisions.
She urged lawmakersto provide more active oversight of the social data pipe.
Facebook didn’t immediately respond to a request for comment about Haugen’s upcoming testimony.
Lawmakers across the political spectrum have so far responded with renewed interest in holding Facebook to account.
Lawmakers there are working on legislation calledthe Online Safety Bill, whichwould regulate social media.
The bill is due to be put before Parliament for approval next year.