Author of Excel University In his live CPE training sessions, Jeff Lenning CPA CITP has shown thousands of CPAs and accounting professionals across the country how to use Excel to streamline their work and become more efficient. Several publications have featured his Excel articles, including the Journal of Accountancy and California CPA Magazine. Highlights After graduating from the University of Southern California, Jeff began his career in the audit practice at Arthur Andersen's Orange County office. He was a senior financial analyst at Gateway computers and the accounting manager at Interp...