Hello,
I work in government organization and the GIS here is unite, the next step is to transfer this unite to center.
wonder if you have any outbox ideas about GIS center, like GIS hub for the or arrange events in GIS day
if you can, try to get director, field, technical staff involved at the same time to help make sure you include everyone's needs
for example a couple emergency operations scenarios to work through could help highlight what your agency could benefit from by developing your GIS center