Gary Gammell

Gary Gammell is an experienced professional specializing in supply chain management and demand planning, currently serving as the SIOP Planning Manager for Single Ply & Accessories at Johns Manville since October 2014. In this role, Gary oversees a national distribution network with an annual budget exceeding $150 million, emphasizing collaborative planning with suppliers and the development of demand forecasts. Previously, Gary held various positions at Tellabs, including Demand Manager for Access Products and PCBA Supplier Manager, managing multimillion-dollar supplier relationships and leading operational improvements. Gary's early career included roles at Raytheon and Texas Instruments, focusing on telecommunications and manufacturing engineering functions, with significant contributions in factory design and process optimization. Gary holds a Bachelor of Science degree from Iowa State University and an MBA from the Naveen Jindal School of Management at UT Dallas.