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Coby Stone is an experienced executive in the specialty minerals and chemicals industry, currently serving as President of Tolsa USA since April 2019, managing the North American business operations for the Tolsa Group. Prior to this role, Coby held various positions including North America Sales Director for the Industrial Business Unit at BTG Group and Regional Sales Manager at Hercules Inc., where responsibilities included business development for specialty chemicals in the Building Products market. Coby began a career in sales management at Hercules & Hercules, Inc., focusing on the pulp and paper industry. Educational achievements include multiple master's degrees in business administration, project management, and engineering from Montana Technological University, as well as a Bachelor of Science in Chemical Engineering from Georgia Institute of Technology.