This is OMAWhat's/Who's OMA? And, why is it so good/bad that they're creating the master plan?
This would be the most well-known partner in OMA: Rem Koolhaas
I was told they're working with the New York office of OMA.
Also this is strictly the master-planning stage, not individual building detail-architecture.
That will come later once the plan is done and a phasing strategy settled on.
He indicated they had picked anyone for that stage, but said design would be important, and that the site is too large to have just one architect, they want some variation.