Holly Warner is a visionary procurement leader with 25+ years of global experience, transforming organizational spend management through collaborative, innovative approaches. Drawing from a rich background in consulting, client management, M&A integration, and operations, she brings a comprehensive perspective to enterprise sourcing and leadership. As Senior Director of Strategic Sourcing at American Express Global Business Travel, Holly leads a global team managing over $550M in annual vendor spend, driving transformative value through intelligent sourcing and vendor partnerships. Her leadership has delivered measurable impact in contract savings, efficiency improvement, and enhanced stakeholder satisfaction. By integrating sustainability, inclusion, and forward-thinking strategies, she has consistently elevated procurement into a critical business catalyst. Beyond numbers, Holly is passionate about building high-performing teams and fostering inclusive environments, demonstrated through her leadership of the company and industry inclusion groups and her commitment to driving organizational excellence.