Jeffrey G. Christiansen has worked in various roles in manufacturing, quality assurance, operations management, sales, and supply chain. He has experience at companies including USMC, Carsan Engineering, Star Precision, Aerion Technologies (acquired by 3M), and 3M. Some of his career highlights include designing an outsourcing plan that reduced costs by 5-10% at Aerion Technologies, leading transitions between facilities, implementing lean practices and overall equipment effectiveness tools, and driving annual sales increases from $13M to $21M as Sales Manager at Star Precision.