Jonathan Waldman is a Microsoft Certified Professional who has worked as technical lead, team lead, developer, UX designer, instructor, and writer during the past few decades. Jonathan began programming using assembly language for the 8080 instruction set and has since authored projects in C++, C#, and Visual Basic. He has helped lead the engineering and deployment of complex enterprise systems in government, academic, and commercial sectors and has traveled internationally to work on software projects in England, Germany, and Brazil. Jonathan was on the original team of programmers who designed and engineered CODIS for the Federal Bureau of Investigation. Additionally, Jonathan authored a variety of commercially successful add-on tools for programmers and published several popular articles for PC Magazine's Utilities column and product-review sections. He has lectured to engineering students and continuing-education adults in several major US cities and to graduate-school technology students in Beijing, China. Well-versed in the full SDLC and with most modern Microsoft technologies and programming practices, Jonathan has earned several technical-achievement awards, has written specialized manuals for software engineers, and has published programmer-to-programmer articles for Visual Basic Programmer's Journal, PC Magazine, and MSDN Magazine.