With solid Excel and BI tools, Ellen Waltzman builds durable designs for revenue projecting, level of sensitivity testing

https://www.scribd.com/document/992080301/The-Psychological-Price-of-Market-Timing-and-the-Technique-That-Regularly-Defeats-It-217561

With strong Excel and BI devices, Ellen Waltzman constructs robust models for profits projecting, level of sensitivity screening, and margin renovation.