OK, but they will still need a CEO.
I just never see anything remotely close to that in the US discussions, by the people most interested in employee activism or union formation. I get the impression people don't even know its something to they could be putting energy towards.
first English google result I could find on the concept
https://www.worker-participation.eu/National-Industrial-Rela...
Actually:
The Mondragon Experiment: