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.

Stephan M. Liozu, Ph.D. is the Chief Value Officer of Zilliant (Stephan.liozu@zilliant.com).

Stephan has 30 years of experience in the industrial sector with companies like Owens Corning, Saint-Gobain, Freudenberg, Ardex, and Thales. Stephan specializes in pricing transformations, pricing ROI, and value-based pricing.

Stephan holds a Ph.D. in Management from Case Western Reserve University (2013), an MS in Innovation Management from Toulouse School of Management (2005), and an MBA in Marketing from Cleveland State University (1991). He is a Certified Pricing Professional (CPP), a Prosci® certified Change Manager, a certified Price-to-Win instructor, and a Strategyzer Business Model Innovation Coach.

Stephan authored eight books: Value-based Pricing: 12 Lessons to Make your Transformation Successful (2024) The Industrial Subscription Economy (2022), B2G Pricing (2020), Monetizing Data (2018), Value Mindset (2017), Dollarizing Differentiation Value (2016), The Pricing Journey (2015) and Pricing and Human Capital (2015). He also co-edited seven books: Monetizing and Pricing Sustainability (2023), Digital Pricing Strategies (2023), Pricing: The New CEO Imperative (2021), Pricing Implementation (2019), Pricing and the Salesforce (2015), The ROI of Pricing (2014), and Innovation in Pricing – Contemporary Theories and Best Practices (2012 &2017).

Stephan sits on the Advisory Board of the Professional Pricing Society.