With more than 25 years of procurement experience, Ms. Mack has enabled category management of indirect, engineering, operations, property, and facilities across aerospace, retail, oil and gas, and commercial real estate. She has transformed and sustained high-performing, diverse procurement teams to better manage end-to-end procurement—from strategic sourcing to supplier performance and relationship management of large, complex, global, and outsourced arrangements. Ms. Mack has led internal and outsourced procurement organizations to drive top-line growth and bottom-line results.

Prior to joining A&M, Ms. Mack spent over four years with Cushman & Wakefield in Houston, Texas as the Chief Procurement Officer, where she managed a $6 billion portfolio across global corporate and client spend. She brought the procurement organization into alignment with strategic business priorities through stakeholder alignment, thought leadership, category management, and operational excellence. Her results include a 54% increase in EBITDA and cost savings through strategic sourcing, negotiation, and fee-for-service programs. She developed a supplier diversity program inclusive of talent, process, and technology that aligned with corporate diversity, equity, and inclusion guidelines, increasing diverse spending from $445 million to $840 million. Ms. Mack built the foundation for a responsible sourcing program to reach environmental, social, and governance scientific targets.

Ms. Mack earned a bachelor’s degree in business administration and industrial psychology from North Dakota State University and an MBA (concentration in management information systems) from the University of Houston–Clear Lake. She is a Certified Professional in Supply Management from the Institute of Supply Management. Ms. Mack serves as the Secretary on the Board of Directors for the Houston Minority Supplier Development Council. She was named to Procurement Magazine’s Top 100 Women in Procurement in 2024, Procurement Magazine’s Top 100 Leaders in 2022 and 2023, CPOstrategy Magazine’s Inaugural Sustainable Procurement Champions Index in 2022, and the Top 30 Influential Women of Houston in 2019.