Brittany Horstman

WORK HISTORY

EDUCATION

ABOUT BRITTANY HORSTMAN

Dynamic and strategic Supply Chain leader with a proven track record of driving operational excellence, cost savings, and supplier performance across the energy sector. With over six years of experience in high-impact roles at Consumers Energy and Marathon Petroleum, I’ve led multimillion-dollar sourcing initiatives, managed complex supplier ecosystems, and delivered transformative results through data-driven decision-making and cross-functional collaboration.Currently serving as a Senior Category Manager at Consumers Energy, I oversee sourcing strategies for categories totaling $500 million in spend. I lead negotiations for high-risk contracts, mitigate disputes, and foster supplier relationships that align with long-term business goals. My leadership has been instrumental in streamlining operations, enhancing supplier accountability, and delivering measurable value, while focusing on total cost of ownership.At Marathon Petroleum, I held four progressive roles where I led strategic supply chain activities for major acquisitions, implemented enterprise-wide systems like Track® to improve audit accuracy and invoice processing, and negotiated contracts that generated over $39 million in savings. I bring a strong operational mindset, a passion for continuous improvement, and a collaborative approach to leadership. My educational foundation includes an MBA from the University of Findlay and a B.S. in Business Administration with a Supply Chain specialization from Bowling Green State University. I’m proficient in SAP, Ariba, PowerBI, and Excel.Let\'s connect if you\'re interested in supply chain strategy, strategic thinking, category management, process optimization, or building high-performing procurement teams.