Leonard Lobel is the chief technology officer (CTO) and co-founder of Sleek Technologies, Inc., a New York-based development shop with an early adopter philosophy toward new technologies. He is also a principal consultant at Tallan, Inc., a Microsoft Gold Certified Partner.Programming since 1979, Lenni specializes in .NET, SQL Server, and other Microsoft-based solutions, with experience that spans a variety of business domains, including publishing, financial, wholesale/retail, health care, and e-commerce. Lenni has served as chief architect and lead developer for various organizations, ranging from small shops to high-profile clients. He is also a consultant, trainer, and frequent speaker at local usergroup meetings, VSLive, SQL PASS, and other industry conferences.Lenni is also lead author of the MS Press books "Programming Microsoft SQL Server 2012" and "Microsoft Azure SQL Database Step by Step," and has also authored several Pluralsight courses on SQL Server and Azure Cosmos DB.