Stephan Liozu, Ph.D. is chief value officer at Zilliant, a pricing management and optimization software provider. He brings over 20 years of experience in pricing, innovation, and value management. An expert in the global pricing landscape, he is the author of over 15 pricing books, including “Pricing—The New CEO Imperative” (2021) and “Value-based Pricing: 12 Lessons to Make Your Transformation Successful” (2024). Stephan sits on the advisory board of Professional Pricing Society.

Matt Knaggs, Senior Business Value Lead at Zilliant, helps customers and prospects realize the ROI and business impact of implementing Zilliant solutions. He previously served as an Engagement Manager, leading implementations and consulting on pricing strategy, and as an Account Executive focused on new business and customer expansion. Prior to Zilliant, Matt spent nearly 20 years in the metals distribution industry, holding roles in Commercial Excellence with responsibilities spanning pricing, sales enablement, and business strategy. He holds a bachelor’s degree in Spanish and International Business from the University of Toledo, and an MBA from Bowling Green State University.

Barrett spearheads Zilliant’s industry expertise and thought leadership in the pricing lifecycle domain, aligning Zilliant solutions to market needs and promoting pricing and sales best practices among our customers. Over the past three decades, Barrett has built and delivered optimization and pricing solutions to Fortune 500 businesses in diverse vertical industries including building materials manufacturing and distribution, industrial components manufacturing, semiconductor manufacturing, office supply distribution, hardware-software distribution, pharmaceutical and medical device distribution, telecommunications, and multiple travel and transportation verticals. He has held management positions at multiple software enterprises including Manugistics, Revenue Technologies, Talus Solutions and AtWork Technologies. Barrett is a frequent speaker and author on achieving rapid, sustainable profitability improvements through the application of pricing science. Barrett received both his Bachelor of Science in Applied Mathematics and his Master of Science in Operations Research from the Georgia Institute of Technology.