What does a silver tree do?

A 'Silver Tree' is not a standard job title in most industries. It may refer to a company, organization, or a specialized role within a specific context, such as the entertainment or finance sectors. If you are referring to a company named Silver Tree, it is important to clarify the industry or role you are interested in. For example, Silver Tree Productions is a film and television production company. Please provide additional context for a more specific answer.