With so many mutants still on Krakoa and Arrako, who would you like to see staff The Keep?
Assuming they mirror the departments on the Peak, they would be as follows:
Technology/Engineering
Logistics
Medical/Energy Resources
Ambassador
Security
Observation/Analysis
And since Brand can't quite be in two places at once, the Keep could use a Station Commander as well.
For me I would love to see Prodigy and Kurt get roles if they end up not being used (after Trial and Way of X end, who knows).
Triage I've always enjoyed.
Adult Cable or Bishop (if freed from Marauders) for security.
Cannonball would make a good ambassador I would think. Having a child with a member of the Imperial Guard is helpful.