The International Plant Nutrition Institute (IPNI) board of directors has elected two new officers. Oleg Petrov, Uralkali director of sales and marketing, was elected vice chairman, replacing Jim Prokopanko, CEO of The Mosaic Co., who is retiring later this year. Tony Will, CEO of CF Industries Holdings Inc., was elected chair of the Finance Committee. Dr. Mostafa Terrab, chairman and CEO, OCP Group, Morocco, continues as chairman of the IPNI board.