The chairman of the Federal Reserve is accountable to Congress. The chairman must regularly report to and testify before Congress.
This is established in the Federal Reserve Act of 1913.
> regularly report to and testify before Congress
Delivering reports to is different than them being able to hire and fire. Presidents appoint fed chairmen.
> regularly report to and testify before Congress
Delivering reports to is different than them being able to hire and fire. Presidents appoint fed chairmen.