In her LinkedIn profile, Yaccarino notes that she’s been a WEF Executive Chair since January 2019. Currently, she’s the Chairman of the WEF’s Taskforce on Future of Work. She also sits on the WEF’s Media, Entertainment, and Culture Industry Governors Steering Committee. Additionally, she is highly engaged with the WEF’s Value in Media initiative. Yaccarino has spoken at the World Economic Forum’s Annual Meeting about shaping the future of media, entertainment, and culture.
There's more, but I can't verify it's true. I've heard it a lot, so if its a lie, it's a very widespread one.
Supposedly she's the chair of the WEF committee on the Future of Work.
Check her linkedin page for this claim, reclaimthenet.org says it's there:
https://reclaimthenet.org/linda-yaccarino-world-economic-forum