Bill Jelen, Excel MVP and the host of MrExcel.com, has been using spreadsheets since 1985, and he launched the MrExcel.com website in 1998. Bill was a regular guest on Call for Help with Leo Laporte and has produced more than 1,900 episodes of his daily video podcast, Learn Excel from MrExcel. He is the author of 49 books about Microsoft Excel and writes the monthly Excel column for Strategic Finance magazine. Before founding MrExcel.com, Bill Jelen spent 12 years in the trenches, working as a financial analyst for the finance, marketing, accounting, and operations departments of a $500 million public
company. He lives in Merritt Island, Florida, with his wife, Mary Ellen.
Mike Alexander is a Microsoft Certified Application Developer (MCAD) and author of several books on advanced business analysis with Microsoft Access and Excel. He has more than 15 years of experience consulting and developing Office solutions. Mike has been named a Microsoft MVP for his ongoing contributions to the Excel community. In his spare time, he runs a free tutorial site, www.datapigtechnologies.com, where he shares basic Access and Excel tips to the Office community.