Devin Knight is the President at Pragmatic Works Training. There he determines which courses are created, delivered, and updated for customers, including 60+ Power BI courses. This is the eleventh SQL Server and Business Intelligence book that he has authored. Devin often speaks at conferences such as PASS Summit, Power Platform Community Conference, SQL Saturdays, and Code Camps. Making his home in Jacksonville, FL, Devin is a contributor at the local technology community groups. He is passionate about mentoring the next generation of data professionals and sharing practical insights gained through years of hands-on experience. His training content has helped thousands of users around the world better understand and leverage Microsoft's data tools. Erin Ostrowsky is a data strategist and Power BI consultant who brings storytelling and technical insight together to drive smart decisions. With roots in business journalism and a passion for visual analytics, she has trained and advised teams from mine sites to boardrooms. As a former national trainer for Pragmatic Works and co-author of the Power BI Quick Start Guide, Erin blends communication skills with real-world reporting strategy. She now focuses on helping mining, manufacturing, and construction teams turn their systems and spreadsheets into high-impact dashboards. Whether delivering training, building reports, or architecting solutions, Erin empowers clients to unlock the full value of their data. Mitchell Pearson has worked as a Data Platform Consultant and Trainer for the last 8 years. Mitchell has authored books on SQL Server, Power BI and the Power Platform. Data Platform experience includes designing and implementing enterprise level Business Intelligence solutions with the Microsoft SQL Server stack (T-SQL, SSIS, SSAS, SSRS), the Power Platform and Microsoft Azure.Mitchell is very active in the community: Running the local Power BI User Group, presenting at user groups locally and virtually, and creating YouTube videos for MitchellSQL Bradley Schacht is a Principal Program Manager on the Microsoft Fabric product team based in Jacksonville, FL. Bradley is a former consultant, trainer, and has authored 7 other SQL Server, Power BI, and Microsoft Fabric books. As a member of the Microsoft Fabric product team, Bradley works directly with customers to solve some of their most complex data problems, helps shape the future of Microsoft Fabric, and builds content to educate the community about the platform's capabilities. Bradley has presented at international data conferences including the Microsoft Fabric Conference, SQL Bits, and PASS Summit, as well as dozens of community events like SQL Saturdays, Code Camps, and user groups across the country. He is passionate about making complex topics easy to understand.