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Bob Huffman is a seasoned cybersecurity professional specializing in Operational Technology (OT) and Industrial Control Systems (ICS) security. Currently serving as a Senior OT Security Engineer at TEKsystems, Bob provides security monitoring and threat response at CHS Inc. Previously, Bob held the position of Lead ICS Security Engineer at Delek US Holdings, where responsibilities included securing and segmenting IT and OT networks across multiple petroleum refineries and logistics operations. Bob's career also includes roles as a Nuclear Cyber Security Specialist and a Senior Security Engineer, with extensive experience supporting compliance with regulatory frameworks and optimizing cybersecurity practices across various industries. Bob possess a solid foundation in network security, having held positions with notable organizations and serving in the United States Air Force. Education includes coursework from the Community College of the Air Force.