However, the composition of the team may change with each particular crisis. In certain crises when the CEO should not be on the CMT, a representative with executive-level decision-making power should take over. Assessment is vital in the screening of crisis team candidates - the company should carry out a task analysis to identify key types of knowledge, skills and traits needed to perform the job. Tasks that are usually identified are group decision making, working as a team, enacting the crisis management plan, listening and improvisation. These should be taken into consideration during selection.