Who We Are

Leadership

As a global supplier of lead concentrates, metals and alloys, The Doe Run Company is guided by an Executive Team that is committed to balancing social, environmental and economic responsibilities.

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    • Jerry L. PyattPresident and Chief Executive Officer
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      Jerry Pyatt brings more than three decades of metals and mining experience to his role as president and chief executive officer. Appointed in 2012, Pyatt guides the company’s strategic exploration, research and technology projects that maintain Doe Run’s respected position as a provider of minerals, metals and specialty services. Pyatt previously served for 11 years as Doe Run’s chief operating officer. Under his direction, the company developed a number of proprietary technologies to improve environmental performance of metal production and increase mineral recovery, including the first successful demonstration of a lead electrowinning process.

      Prior to his tenure as chief operating officer, Pyatt served as a metallurgist in the mining and lead recycling divisions, and later as general manager of the lead recycling division. Pyatt received a bachelor’s degree in agriculture with a minor in chemistry from the University of Missouri-Columbia. He is a graduate of the Stanford University Executive Program.

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    • Ross ConnerVice President - Exploration
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      Ross Conner joined Doe Run in 2010 to expand exploration efforts in the Southeast Missouri Viburnum Trend, and identify exploration opportunities throughout North America. Conner brings more than two decades of experience to his role, including serving as a principal environmental geologist for Pincock Allen and Holt, and working for more than 10 years with Hudson Bay Mining and Smelting. He holds a bachelor’s degree in specialist geology from Brandon University in Brandon, Manitoba, Canada, and a master’s degree in environment and management from Royal Roads University in Victoria, British Columbia, Canada.

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    • Mark CoomesVice President - Human Resources and Community Relations
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      Mark Coomes brings nearly 20 years of experience to his role as The Doe Run Company’s vice president of human resources and community relations. Coomes guides Doe Run’s strategic talent management programs to attract and build a skilled workforce to meet the growing global demand for minerals and metals. He also manages the company’s efforts to continuously improve internal and external communications by responding to workforce, customer and community needs.

      Coomes previously held several positions at industry-leading companies, including Energizer Holdings Inc. and The Pepsi Bottling Group Inc. where he was responsible for organizational design and development, and helped re-align both companies in order to meet market dynamics. Coomes holds a bachelor’s degree in American history from the United States Military Academy (West Point) and an MBA from Washington University in St. Louis

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    • Terry P. FoxVice President of Finance and Chief Financial Officer
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      As chief financial officer and vice president of finance, Terry Fox is responsible for the financial health of Doe Run. Fox oversees corporate and divisional finance and accounting departments with responsibility for company controllership, treasury, financial planning and analysis, as well as supply chain management. As a member of the company’s executive team, Fox provides counsel on strategic initiatives, establishes company fiscal policies and procedures, and provides risk management. With more than 30 years of experience, Fox has worked with both private and publicly held companies, including Bunge Limited, Solae and Bank of America. Fox holds an MBA from the University of California, Los Angeles (UCLA), Anderson School of Management, and a bachelor’s degree in economics from the University of Delaware, in Newark, Del. He received a CPA certificate from the State of California, and is a member of the Association for Corporate Growth and the Financial Executives Institute.

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    • Sharon GietlVice President - Information Technology
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      Sharon Gietl joined Doe Run in 2004 and guides the planning, implementation and management of the company’s information technology systems, enterprise project management office and enterprise content management. Gietl is one of the 2011 St. Louis Business Journal’s 25 Most Influential Business Women, a 2010 Computerworld Premier 100 IT Leader and a 2009 Strathmore’s Who’s Who recipient. She oversees a team that has been recognized as one of the Top Technology Innovators across America in 2011 and in 2012 (according to Information Week 500). Prior to joining Doe Run, Gietl served as the Director of Information Services for Bryan Cave LLP in St. Louis, and Director of Administration for Petrolite Corporation. Gietl has also held various positions with Caterpillar Inc. and the University of Iowa Hospitals and Clinics. Gietl received a bachelor’s degree in chemistry/biology from Clarke University in Dubuque, Iowa (previously Clarke College).

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    • Jose HansenVice President - Sales and Marketing
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      Jose Hansen brings more than two decades of experience in global metal and concentrate sales to his role as vice president of sales and marketing at Doe Run. Hansen began his career in South America in 1980 and joined Doe Run in 2005. His international experience broadened Doe Run’s reach in the global metals business. Hansen graduated from Universidad de Lima with a degree in a metallurgical engineering and received an MBA from the Universidad del Pacifico, also in Lima, Peru.

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    • Matthew D. WohlVice President - Law
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      Matthew Wohl uses his nearly two decades of corporate legal experience to help Doe Run identify opportunities and manage risk. Wohl’s knowledge of intellectual property law has helped the company obtain valuable patents and protection for proprietary processes and products. Prior to joining Doe Run in 2009, Wohl served as a corporate attorney at a variety of companies, including Charter Communications and Express Scripts. He also worked at local law firms, including Gallop, Johnson & Neuman L.C. and Sonnenschein Nath & Rosenthal. Wohl holds a Juris Doctorate from Saint Louis University. He also holds a bachelor’s degree in economics and political economy, as well as a master’s degree in political economy and public policy from Washington University in St. Louis.

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    • Mark YinglingVice President - Environmental, Health and Safety
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      Mark Yingling brings more than 30 years of experience to his role as vice president of environmental, health and safety. Yingling helps Doe Run ensure sustainable operations by championing initiatives to minimize environmental impact and promoting workplace health and safety. A leader in the industry, Yingling has won numerous international, national and state awards, including the Office of Surface Mining Reclamation and Enforcement National Director’s Award and the New South Wales Environmental Innovation Award.

      Prior to Doe Run, Yingling held executive positions at Peabody Energy and its subsidiaries, including vice president of global health, safety and environment, and vice president of environment and conservancy. Yingling earned a bachelor’s degree in engineering from the University of Illinois at Urbana-Champaign and an MBA from Washington University in St. Louis. Yingling is a Mine Safety and Health Administration certified structure inspector and a member of the Society for Mining Engineers, the American Society of Mine Reclamation and the National Mining Association.

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    • Steve BattsVice President – Southeast Missouri Operations
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      Steve Batts brings more than 30 years of experience at Doe Run to his role as vice president – Southeast Missouri Operations. In this role, he oversees the second largest lead mining district in the world at the Southeast Missouri Mining and Milling Division (SEMO) and all operations within the Metals Division, which include one of the world’s largest single-site lead recycling facilities.

      Batts began working with Doe Run in 1984 as a project engineer and held several maintenance engineering and operational roles, eventually serving as general manager of the SEMO Division. Under his direction, SEMO reached 3 million safe work hours without a lost -time injury, and four Doe Run mines were recognized for outstanding safety records in 2013. He earned a bachelor’s degree in mechanical engineering from the University of Missouri—Rolla (now Missouri University of Science and Technology).

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