Eric Stellwagen (Business Forecast Systems Eric Stellwagen is the co-founder of Business Forecast Systems, Inc. and the co-author of the Forecast Pro software product line. With more than 27 years of expertise in the field, he regularly presents workshops on business forecasting and is widely recognized as a leading educator on the subject. Drawing upon … Continue reading Eric Stellwagen (Business Forecast Systems) / Training Associates / Training / Timberlake Consultants