The term "chief of party" refers to the person who is in charge of organizing and leading a social gathering, event, or celebration. There are several synonyms that can be used to describe this role, including the following: host, organizer, planner, coordinator, facilitator, director, manager, and convener. Each of these words emphasizes a slightly different aspect of the role of the chief of party, but all of them share the same general idea of someone who is responsible for making sure that an event runs smoothly and that everyone has a good time. Whether you are planning a small dinner party or a large-scale event, having a capable and competent chief of party is essential for success.