Clay McNail has extensive experience in the mining industry, currently serving as the General Maintenance Manager for The Doe Run Company since August 2006, overseeing maintenance operations for multiple underground mines and concentrators. Prior roles include Site Manager and Maintenance Superintendent for the Sweetwater Mine & Mill, as well as Mine Superintendent for several mines, including Fletcher and Brushy Creek. From January 1999 to August 2005, Clay held positions such as General Mine Supervisor and Quarry Superintendent at Lehigh Hanson. Educational qualifications include a Master's of Engineering in Mining Engineering with a minor in Explosive Engineering and a Bachelor of Science in Mining Engineering, both obtained from Missouri University of Science and Technology.