CFIS? do you mean CIFUS?
The members of CIFUS are all well known,
https://www.treasury.gov/resource-center/international/foreign-investment/Pages/cfius-members.aspx
The members of CFIUS include the heads of the following departments and offices:
Department of the Treasury (chair)
Department of Justice
Department of Homeland Security
Department of Commerce
Department of Defense
Department of State
Department of Energy
Office of the U.S. Trade Representative
Office of Science & Technology Policy
The following offices also observe and, as appropriate, participate in CFIUS’s activities:
Office of Management & Budget
Council of Economic Advisors
National Security Council
National Economic Council
Homeland Security Council