I am a Member of LibreItalia, a LibreOffice Italian Association, and one of the Membership Committee of The Document Foundation (https://www.documentfoundation.org/foundation/membership-committee/) is an Italian.
This committee have the role to evaluate the application of the volunteers to applicate as a member. To became a member you need to contribute as an active volunteer and after you can participate in the elections of the committes.
Also a member you can access free to the professional certificate (https://www.documentfoundation.org/certification/).
The Italian Linux Society, I am also a member, have a system like mozillians but with more filter like city (that info on mozillians is not mandatory) and organize campaign for promotion about open source also to the italian government and provide gadgets for the Linux Day to all the association in the country registered. Like us (as a community) but have an important role as promotion.
The Ubuntu community have a council that organize the activity of all the other sub groups (dedicated for any activity) that have elections. I know many member of the Italian Ubuntu community.
The Debian community have two type of members and require to be an active volunteer and they can participate in the elections. I know few Italian Debian developers.
I know other communities I’ll try to investigate.
PS: the things in common of that communities that the active volunteers are rewarded with “promotion” or certificate that they can use in their curriculum.