Greg Johnsen is executive vice president of marketing, and co-founder of GT Nexus. Mr. Johnsen has more than twenty years of sales, marketing and product management experience with Silicon Valley technology companies. He has spent the last ten years focused on supply chain and logistics, working with hundreds of leading companies to drive sustainable improvements in global sourcing, transportation management, inventory control and a range of international operations. Prior to GT Nexus he was with Scopus Technology, an early leader in the customer relationship management software domain. He began his career at Ingres Corporation, a pioneer in relational database technology. Mr. Johnsen has a Bachelor of Arts degree in English from the University of California at Davis.