This document introduces business analysis and discusses key topics in the field. It defines business analysis and explains the role of the business analyst in bridging business and technical teams. The document outlines the goals of business analysis and some common sub-disciplines. It also discusses the business analyst's role throughout a project and key responsibilities during initiation, analysis, development, testing, and implementation phases. Additional sections cover topics like the Unified Modeling Language, business analysis certifications, references, and emerging trends in the field.