The document discusses the importance and role of a business analyst in IT projects. It states that a business analyst acts as a liaison between business stakeholders, development teams, and quality assurance teams. They help define project scope, elicit and document requirements, and manage expectations. The document also notes that having a business analyst can help the customer provide complete requirements, give the project manager oversight during implementation, and provide a technical liaison for the development team. Overall, using a business analyst can help ensure a project is finished on time and on budget and delivers what the business needs.