Walter Shields is a renowned Data Analytics Expert, best-selling author, and LinkedIn Learning instructor with over 25 years of experience helping individuals and organizations unlock the power of data. A dynamic educator and practitioner, Walter has worked across industries—from law and healthcare to retail and automotive—crafting innovative data solutions that drive strategic decision-making and business transformation.

As the founder of the Walter Shields Data Academy, he has trained more than 200,000 students worldwide through top-rated courses on SQL, Power BI, and Tableau, and authored the highly acclaimed book SQL QuickStart Guide, which has become a go-to resource for aspiring data professionals. His instructional philosophy is rooted in clarity, simplicity, and empowerment—making complex topics both accessible and engaging.

Walter has served in high-impact roles at leading organizations, including Mazda North America, Target Corporation, and Ropes & Gray LLP, spearheading data literacy initiatives, developing business intelligence platforms, and designing end-to-end analytics ecosystems using tools such as Microsoft SQL Server, Azure, Power BI, Tableau, and Python.

A certified Applied Data Scientist from MIT, Walter is also a recognized Microsoft Learn Partner, continuously pushing the boundaries of how data education is delivered. Whether through hands-on masterclasses, online cohorts, or corporate training, Walter is committed to equipping professionals with the confidence and skills to navigate the ever-evolving data landscape.