Most sales forecasting starts once the deal is logged in the CRM. However, it's like attempting to win a battle once the enemy has landed at your shores. There's enough objective data and science to prove why forecasting needs to start with the marketing funnel.
A decade in Operations building SalesOps, PartnerOps and RevOps from scratch-to-scale across three startups. Time traveler in a data stream. I like reading fiction.