Tuckman's Group Development Model
Tuckman's research into team development led him to one of the most widely quoted models of team change. His premise that all teams during their development will experience the stages of forming, storming, norming, performing and adjourning is regularly used in team building within organisations.
Boston Consulting Group (BCG) Growth-Share Matrix
Originally developed by the Boston Consulting Group, the BCG Growth-Share Matrix (often referred to as the BCG Matrix) is a simple model that uses relative market share and rate of market growth as criteria to help companies with multiple lines of business prioritise investment.
Kotter's Eight Steps
Change is difficult to implement in any organisation, but a few models do exist to help managers accomplish this most challenging of leadership tasks. John Kotter's eight-step change model is probably the most highly-regarded and widely used amongst them and is a staple of any MBA syllabus.