John Walkenbach

John Walkenbach is a well-regarded author and expert in Microsoft Excel and spreadsheet programming. Known for his clear writing style, he has published numerous books and guides that help users—from beginners to advanced—navigate Excel’s features efficiently. He also created the popular "Power Programming with Excel" series, which delves into Excel's advanced functionalities, including macros and VBA (Visual Basic for Applications). Walkenbach's insights and tutorials have significantly contributed to users’ understanding and effective use of Excel in various professional and personal contexts.