2. Appropriate participants. A fundamental goal of large-group interventions is to “get the whole system in the room”. This involves inviting as many people as possible who have a stake in the conference theme and who are energized and committed to conceiving and initiating change. Senior managers, suppliers, union leaders, internal and external customers, trade group representatives, government and regulatory officials, and organization members from a variety of jobs, genders, races, and ages are potential participants.