For organizations you have created, you are by default the membership manager.
In any organization where you have the Owner role, you can manage membership.
Organization Accesibility :
public: anyone can request to join the organization
private: only people invited by the Owner will be able to join the organization
Go to the specific organization overview page and navigate to the Members tab:
Click the Add Member button and the newly opened modal requests you to provide member details:
You can provide the name or e-mail address and you specify the role for the new member, for example:
Ready? Click the Add button.
Note that in order to add a user by e-mail, that user must already have logged in to the marketplace at least once.
The new member is added to the organization. He receives an e-mail notification.