Experienced | Focused | Trusted | Global

Priority Metrics Group Leadership Team

Priority Metrics Group is a Spartanburg, South Carolina-based B2B marketing research and consulting firm. We offer B2B market research, analysis, and consultation services to help our clients achieve profitable development

John Barrett


Charlie Marshall


John has had the privilege of creating a career in marketing, strategic planning and market research, helping clients understand complicated issues to make sound business decisions. He is author of the book B2B Customer Insight: The Proven Path to Growth and has also authored many published articles and white papers. He co-founded PMG over 20 years ago and along the way worked with some amazing clients and worked beside some incredible people. John also started Christmas in Action – Spartanburg a non-profit home rebuilding enterprise, and 516NOW, an organization that works in the third world to build holy, prosperous and sustainable communities. John has a BA and MBA from University of South Florida and an ABD in Marketing from University of Virginia.

Charlie has spent the majority of his career in senior marketing and strategy roles in both the consulting and corporate world. He recently finished a three year project as a consulting member of a corporate Innovation Team at an $8 billion global manufacturing company.  In addition to senior level marketing roles, Charlie also has multiple years of experience in process improvement. Charlie’s deep understanding of primary market research coupled with years of Total Quality Management experience brings a unique business perspective. Charlie has a BA in Economics from Princeton University. Currently he resides in Spartanburg, SC with his wife, 2 daughters, and a son.  In addition to a successful career and busy family life, Charlie is also the head coach for the Wofford College men’s lacrosse team.