Skip the intermediaries. The CFR’s own list is:
https://www.cfr.org/membership/membership-roster-a-f
The CFR also has corporate members.
The CFR is part of the Deep State. A president can fire everyone he wants, but going to the usual CFR/Goldman-Sachs pool for replacements is not remotely draining The Swamp.
There are 90 members with last names beginning with Y or Z (42 and 48, respectively). That membership roster has to be over 2000 names long.