Mr. Walker is responsible for all aspects of quality assurance across the StarTrak supply chain. He is a practitioner and author with 35 years of experience from Hewlett-Packard, Agilent Technologies, and Siemens Building Technologies. Mr. Walker has designed, optimized, and operated supply chain networks around the world. His professional managerial experience includes product development, manufacturing, purchasing, materials management, supply chain management, and quality. He is the author of several books including Supply Chain Architecture: A Blueprint for Networking the Flow of Material, Information, and Cash, and has delivered seminars on the principles of supply chain management in Malaysia, Singapore, Australia, the United States, the UK, Holland, Germany, and South Africa. Mr. Walker served many years as a volunteer director of APICS; the professional society for operations management, where he introduced advanced supply chain management logistics and network infrastructure topics into APICS courseware. He is a past president of the APICS Educational & Research Foundation. Mr. Walker holds both BSEE and MSIE degrees from Lehigh University. He is a Certified Fellow in Production and Inventory Management, a 25-year member of APICS, and a member of the Council of Supply Chain Management Professionals.