The Mosaic Co. has announced that its board of directors has elected James "Joc" C. O’Rourke, currently executive vice president – operations and chief operating officer, to succeed James T. Prokopanko as president and CEO, effective Aug. 5, 2015. After that date, Prokopanko will serve as senior advisor until his planned retirement on Jan. 4, 2016. "Jim’s leadership over the past eight and a half years helped build a strong, innovative company with a culture of integrity and an emphasis on execution. My fellow directors and I wish him only the best, and we respect his decision to retire," said Robert Lumpkins, Mosaic board chairman. "The board has full confidence in Joc and the rest of Mosaic’s talented management team. Together, they will help Mosaic build on Jim’s legacy of success for our employees, customers, investors, communities and other stakeholders."