Fiserv is the Program's Client Services Agent

Fiserv1 serves as agent for FDIQ Program clients and has no beneficial ownership, rights, title or interest in a client's custodial account, or the funds held by it.
Facilitates new client onboarding into the program
Provides customer support to FDIQ clients
Coordinates the banks that participate in the program
About Fiserv:

Fiserv is a Fortune 500 company that enables electronic transactions across the entire global financial ecosystem. The company touches nearly 100% of U.S. households and serves over six million merchant locations globally, authorizing nearly 90 billion transactions each year. Fiserv is trusted by nearly 10,000 financial institutions globally to provide best-in-class financial technology.
1) Fiserv acquired StoneCastle Cash Management, LLC, former agent of the FDIQ Program