Dr. Christian S. Albright is the renowned author of several books on spreadsheet modeling, data analysis, decision making, statistics, and Visual Basic for Applications, all of them based on the extensive use of Excel. You can check out his books at Amazon.com. He has spent most of his life teaching at Kelly School of Business in Indiana University. He recently retired from the University. He spends a lot of his time developing ExcelNow! and making changes to his books for Excel 2013. He has been engaged by Microsoft to teach many of their professionals about VBA and Excel modeling.