Jeff Lenning, CPA, CITP
Excel University, Inc.
Jeff Lenning, CPA, CITP, a Microsoft Certified Trainer, loves sharing his Excel knowledge, especially the tips and tricks that help others get their work done faster. He built the online Excel University Inc. to provide a safe and fun place to learn the program. He also provides free weekly Excel tips at excel-university.com/blog.
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Jeff Lenning