Leadership Team

WCS Consulting is led by a team of supply chain innovators with decades of experience in supply chain planning and procurement. Founded by senior leaders from SmartOps, WCS Consulting has quickly gained a reputation as a trusted SAP partner specializing in supply chain solutions such as Ariba, EWM and IBP.

Our consultants are full-time employees trained in our best-practice methodology and dedicated to driving operational excellence.

WCS Consulting has a dedicated and growing team of solution consultants ready to help you with your supply chain transformation. We are headquartered in Los Angeles with offices in Boise, Pittsburgh, Boston and a new development center in Columbo, Sri Lanka.

Simon Tunmore
Managing Partner

Simon is a supply chain operations leader and software industry executive with a passion for supply chain operational excellence. Throughout his career, he’s held executive roles at SmartOps (now part of SAP Integrated Business Planning), Micron, Adexa, and Intel. At Micron, he spearheaded an end-to-end supply chain transformation resulting in industry-pacing performance metrics in lead time reduction, customer service levels, and inventory carrying costs relative to margin generation. Simon attended the University of Arizona and Arizona State University and holds certification from the Chartered Institute of Management Accountants in England.


Mike Huizinga
SVP Solution Delivery

Mike is a highly experienced solution/data architect with deep, hands-on experience designing and implementing creative supply chain and business intelligence solutions. He has held roles in IT, sales, marketing, and engineering at various manufacturing and software organizations. Through his extensive development work at SmartOps, he has become one of the foremost experts on inventory optimization tools in the world. Mike holds a bachelor of science in information technology from Boise State University.


Justin Trembath
VP Technical Services

Justin has been delivering SAP Business Intelligence solutions for 20 years. He is considered a world-class BW professional for his expertise in implementing SAP Business Warehouse solutions, with extensive hands-on experience in various SAP roles including configuration, programming, integration development, and data warehousing. Justin holds a bachelors degree in computer information systems from Bentley University and an MBA from Boston University.


Terry Lyon
Partner Strategic Services

Terry Lyon has a successful track record of partnering with customers to realize value from innovative supply chain procurement processes and technologies. These include FreeMarkets, Ariba, SmartOps and SAP. He is proud to call Pittsburgh home and fortunate to experience its quietly powerful innovation community. Terry established his roots as a chemical engineer at Air Products and Chemicals and as a student at Cornell University.


Jon Sumner
Director of Worldwide Sales

Jon has 30+ years of sales, marketing, and operational experience in the technology sector, holding a variety of leadership roles within the semiconductor and software industry. Most recently Jon was European channel sales director for Intel, and held serval other key roles within that company, including head of Russia channel sales, head of EMEA channel operations, and head of EMEA channel marketing. Jon has many years of experience in driving large multifaceted sales and marketing activities across complex organizations as well as a wealth of supply chain and software development experience. Jon has an HND in electrical and electronic engineering from Swindon College, UK.

Julia Stares
Director, Project Management

Julia has extensive experience as both a program and project manager in multiple industries including healthcare and technology. Her exceptional project management, communications skills, and leadership qualities have been the catalyst in driving many projects to successful completion, utilizing both agile and waterfall methodologies. She is a leader combining a collaborative style across multiple disciplines. Julia holds a Bachelor of Arts in Business Organization with a specialization in Project Management from Ashford University, CA.