Reporting (excel expert needed)

Deep dive excel reporting to analyse: forecast report on quantity and value by product categories and reference to analysis *Sales analysis Need reports to Assess the performance on a monthly/yearly/Last 3 months L6 months basis. The report will focus on network , product categories, segment, sub segment & collections view Goal: Provide recommendations and ,conduct fast ad hoc analysis request. Understand and identify exactly what is working and what is not (which product, model color size gender etc... *Forecast and assortments Need a report with a very precise calculation + automated formulas on forecasts definition for in-range products and novelties, on sales performance vs. forecasts and on assortments by point of sale. I'm looking for: A report easy to update and amend changes on formulas + overall format An expert in excel and Macro Someone who had an experience in similar request + work in Marketing/performance/forecast analysis. Familiar with Bi extractions Of course I'm open for any recommendations.