HAGERSTOWN, Md. (Feb. 21, 2023)– An SGI employee based at Corporate Headquarters has celebrated his 45th anniversary with the company. Roger Kibler joined SGI in 1978. Over the years, he has held various safety roles, supporting safety training, best practices, and protocols across the SGI sites. He currently serves as Safety Specialist and focuses on coordinating and executing safety-related training and managing industrial hygiene sampling at all locations.