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Steering Committee

Gregory Crosby

Chair of the Global Partnership on Nutrient Management, national sustainable development program leader for the U.S. Department of Agriculture’s National Institute of Food and Agriculture.

Patrick Heffer


Patrick Heffer joined the International Fertilizer Industry Association (IFA) in Paris in 2002. In his capacity of Director of the Agriculture Service, he coordinates the activities of the IFA Agriculture Committee and of the IFA Africa Forum.

Sasha Koo-Oshima

Senior International Water Policy Advisor

Sasha Koo-Oshima is currently the Senior International Water Policy Advisor in the Office of Water, U.S. Environment Protection Agency. She is also the country manager for the U.S.-China Clean Water Action Plan.

Terry Roberts


Terry L. Roberts was named President of the International Plant Nutrition Institute (IPNI) when it was established in January 1, 2007.  IPNI is a non-profit, scientific organization dedicated to the responsible management of plant nutrients.


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