Matching the components of team performance to Tuckman’s four development stages From forming to performing (and adjourning) Many managers and coaches will be familiar with Bruce Tuckman’s four stages of team development, defined in 1965: forming, storming, norming and performing. In 1977, he added a fifth stage, adjourning, to describe what happens when teams disband. Based on extensive research of the research available to him at the time, Tuckman found that all teams progr