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The Mosaic Company: K3 Potash Expansion

Constructing one of the world's most significant mining operations relies on many people working together toward a common goal. At Mosaic's Esterhazy K3 site, project managers, engineers, contractors and trades people work in partnership toward the goal of safely bringing more potash to food producers around the world. For more information on Mosaic's Potash Expansion, please visit:

The Mosaic Co. video

The Mosaic Company: K3 Potash Expansion

The Mosaic Co. video

Keeping Our Promises - From Mine to Market

The Mosaic Co. video

The Mosaic Company 2012 Annual Report: Best Crop Nutrition Company, Communities


James T. Prokopanko, President and Chief Executive Officer
Jim T. Prokopanko became President and Chief Executive Officer of The Mosaic Company in 2007. He joined Mosaic as Executive Vice President and Chief Operating Officer in 2006. Previously, Prokopanko was a Corporate Vice President at Cargill, Inc., where he had executive responsibility for procurement and served as a leader of the Cargill Ag Producer Services Platform. After joining Cargill in 1978, he served in a wide range of leadership positions, including Vice President of the North American crop inputs business. During his Cargill career, Prokopanko was engaged in retail agriculture businesses in Canada, the United States, Brazil, Argentina and the United Kingdom. In addition to his role as President and CEO of Mosaic, Prokopanko serves on the board of directors for Mosaic, Canpotex, the Carlson School of Management at the University of Minnesota, the Children’s Hospitals and Clinics of Minnesota, the Fertilizer Institute and the International Plant Nutrition Institute.
Richard L. Mack, General Counsel
Rich L. Mack, Executive Vice President, has served as Mosaic's General Counsel since the company’s launch in 2004. In the decade prior to Mosaic's formation, he served in various legal capacities at Cargill, Inc., and was a founding executive of Mosaic and Cargill Ventures. At Mosaic, Mack also provides executive oversight to Mosaic's land development and permitting organizations. Mack has significant experience in mergers, acquisitions, joint ventures and equity transactions. He is a member of the Minnesota State Bar, the Florida Council of 100 and serves on the board of trustees at Hamline University. Mack holds a bachelor’s degree in accounting from Minnesota State University-Moorhead, a Juris Doctor from Hamline University School of Law and an MBA from the Kellogg School of Management at Northwestern University.
Lawrence W. Stranghoener, Chief Financial Officer
Larry W. Stranghoener, Chief Financial Officer, joined The Mosaic Company in 2004. Prior to joining Mosaic, Stranghoener served as Executive Vice President and Chief Financial Officer at Thrivent Financial for Lutherans. Before that, Stranghoener spent 17 years at Honeywell, Inc. where he served in a variety of positions in the United States and Europe, including three years as Chief Financial Officer. Stranghoener started his career as an Investment Analyst at Dain Rauscher. He serves on the board of directors for Kennametal Inc., Aleris International, Inc. and Aleris Holding Company. He holds a bachelor’s degree from St. Olaf College and an MBA from Northwestern University.

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