Only administrators may change user's roles
From the organization's dataset page, select the "🔧 Manage" button, followed by the Members tab.
In the Members tab, all of the organization's users are displayed. An administrator may edit a user's role by clicking on "🔧" icon, next to their name.
Edit User settings
Clicking on the "⚙" (settings), located at the top left corner, will bring you to your user details screen.
In this screen you may edit your own users details; your full name will appear on the top of your screen, when you are logged in. Username cannot be changed.