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Mario Guerrero possesses extensive experience in engineering and facility management, particularly in the education and municipal sectors. Since 2011, Mario has served as Chief Engineer and Senior Manager of Engineering Support at Chicago Public Schools, overseeing maintenance and work request programs for one of the largest school districts in the United States. Prior to this role, Mario worked at Abel Engineering Services as an Engineer, managing a significant distribution facility, and held the position of Chief Engineer at Hill Mechanical Group. Mario's career with the City of Chicago spanned over two decades, culminating in the role of Chief Operating Engineer at Terminal One, where responsibilities included supervising a vast 2,000,000 square foot facility.