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 1,200 episodes of his daily video podcast, "Learn Excel from MrExcel." He is the author of 30 books about Microsoft Excel and writes the monthly Excel column for Strategic Finance magazine. You will most frequently find Bill taking his show on the road, doing half-day Power Excel seminars wherever he can find a room full of accountants or Excellers. Before founding MrExcel.com, Jelen spent 12 years in the trenches working as a financial analyst for finance, marketing, accounting, and operations departments of a $500 million public company. He lives near Akron, Ohio with his wife, Mary Ellen, and his sons, Josh and Zeke.