Mastering Business Intelligence: Power BI and Tableau for Data Analytics and Visualization provides a comprehensive introduction to business intelligence and data-driven decision-making using two leading visualization platforms, Power BI and Tableau. The book explores data collection, cleaning, transformation, analysis, dashboard development, and interactive visualization techniques. It explains how to convert complex datasets into meaningful insights through practical applications and analytical methods. Designed for students, researchers, business professionals, and aspiring data analysts, this book bridges theoretical concepts with hands-on skills to support effective reporting, strategic planning, and informed business decisions.