Calandra Ruffin

Calandra Ruffin is an accomplished supply chain professional with extensive experience in procurement and supply management. Currently serving as a Senior Global Supply Manager at Relativity Space since March 2025, Calandra previously held the position of Senior Category Manager at Clearwater Paper Corporation, where $150 million of technology and service spending was managed. Prior roles include Purchasing & Supply Management Specialist at the United States Postal Service, where contract development for automated systems was supported, and Strategic Commodity Manager at JLG Industries, overseeing significant spend in both electronics and machining categories. Calandra's career began at CommScope as a Global Category Buyer, focusing on sourcing for electronic components. Educational credentials include a Master of Science in Acquisition & Supply Chain Management from the University of Maryland Global Campus and a Bachelor of Arts from the University of South Carolina.