As a brand’s sales forecast is used to decide on resource allocation, it will be challenged and questioned by your managers and peers. If your forecast respects the 6 key principles explained in this 3-min video by Gary Johnson, expert faculty member of The Pharma Forecasting Course, you will be able to justify and defend it.
Gary Johnson is a thought leader in this respect since he has been involved in forecasting for around half of the new molecular entity launches over the past 5 years, and is the author of Sales Forecasting for Pharmaceuticals: An Evidence Based Approach.