Mary Lewis

Manager, Sourcing


Mary Lewis is a proven supply chain leader at Sprint Corporation, with over thirty years’ experience in executive, manager, and subject matter expert positions in various technical, operations, and supply chain management functions across the enterprise.

Ms. Lewis has extensive experience in sourcing, negotiating, and managing complex equipment, software, intellectual property, and services procurement agreements with strategic suppliers. Mary currently leads the development and implementation of Sprint’s strategic sourcing framework, supply chain sustainability strategy, and supplier relationship management strategy. 

A participant in Harvard University’s inaugural “Teaching Negotiation: A Symposium on Excellence and Innovation for Teachers and Trainers,” Mary speaks nationally on a broad range of supply chain and sustainability topics.  In addition to developing and promulgating strategic sourcing best practices and “greening” Sprint’s supply chain, Mary, a graduate-level adjunct, is also a contributor to various online and print publications.

Mary holds a bachelor degree from Penn State University, an MA from Webster University, and an MBA from Rockhurst University. Mary is a member of IAOP’s CSR committee, a judge of GOSIRA (Global Outsourcing Social Responsibility Impact Award), a member of ISM, and an advisory board member of ISM’s E3 online publication. Mary was named as a 2012 Minority Supplier Development Council “Buyer of The Year” and a 2014 Supply & Demand Chain Executive Magazine “Pro to Know.”