Astrid Mangan at Marten Advisory Group More about Astrid Mangan Marten Advisory Group is a governmental relations and public affairs firm in Miami, NY and DC. We specialize in all things at the local, state and federal level, as well as assist our larger clients with national public affairs and governmental relations.

We specialize in legislative affairs at the municipal, state and federal level, real estate development, entitlement, development analysis, entitlements, identifying creative zoning solutions public private partnerships and government procurement.