Leon Plesniarski is an information technology architect who has been building with Microsoft products for many decades. While his formal training was in computer and electrical engineering, he has since applied his skills primarily to aligning Microsoft-based technology with business needs. Through his work as a technical instructor, Mr. Plesniarski has extensive experience equipping IT leaders, professionals and end-users with the skills needed to move to newer or unfamiliar technology. He currently works as a consultant for Broadview Networks to analyze client requirements, coach customers on adoption strategies and implement practical solutions for their needs. In recent years he has focused on Microsoft cloud services, such as Windows Azure, Office 365 and Microsoft 365. Mr. Plesniarski effectively leverages his teaching skills and experience as a Microsoft Certified Trainer (MCT) to create learning materials that are technically accurate and easy to understand.

His other leading Cengage books detail both Windows Vista and Windows.