The Principal Policy and Decision-making Institutions of the Alliance Key to the Principal NATO Committees 18. Policy Coordination Group (PCG) Members All member countries. Chairman Assistant Secretary General for Defence Planning and Operations. Role Principal forum for consultation and advisory body to the North Atlantic Council on politico-military matters (including peacekeeping operations, development of the Combined Joint Task Force (CJTF) concept, and review of NATO's Strategic Concept). Levels Deputy Permanent Representatives and national Military Representatives. Principal Subordinate Committees N/A. International Staff Support Division of Defence Planning and Operations; Executive Secretariat.