Here is a good article on the Jury Waiver issue. https://www.shrm.org/hr-today/news/h...0212legal.aspx
While it doesn't speak to Arizona law specifically many employment issues would be under Federal jurisdiction anyway.
And here is one on the Class and Collective Action Waiver https://www.fisherphillips.com/resou...s-waiver-fight
The NLRB is very much against them but the courts are mixed.

