Staff Directory /

Terry L. Roberts


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3500 Parkway Lane, Suite 550
Peachtree Corners, GA 30092 USA
Dr. Terry L. Roberts was named first President of the International Plant Nutrition Institute (IPNI) as it began operations in January, 2007. Dr. Roberts had been the President of the Potash & Phosphate Institute (PPI). He previously served as President of the Foundation for Agronomic Research (FAR) and continues as a vice president of that organization. A native of Alberta, Canada, Dr. Roberts grew up in a family-owned retail fertilizer business. He received a B.S.A. degree in Crop Science (1981) and a Ph.D. in Soil Fertility and Plant Nutrition (1985) from the University of Saskatchewan.

Following graduate school, Dr. Roberts worked in the family fertilizer business and directed their soil and feed testing laboratory. He also worked for Agriculture & Agri-Food Canada prior to joining PPI in 1989 as the Institute's Western Canada Director, with responsibility for agronomic research and education programs in that region. In June 1999, he was transferred to PPI’s headquarters in Norcross, Georgia, and was named President of FAR. At the same time, he was appointed Vice President for the Latin American Program, and coordinated the Institute’s regional programs in Brazil, Northern Latin America, Latin America-Southern Cone, and Mexico/Northern Central America.



In February 2002, Dr. Roberts was appointed PPI Vice President, Communications and Member Services. In that role he directed the communications group of the Institute, including publication of Better Crops with Plant Food magazine, the Institute website and its electronic communications. In January 2005 he became Senior Vice President, PPI and International Program Coordinator. He was appointed President of PPI in the fall of 2005 and served in that capacity until the establishment of IPNI.

An effective communicator and internationally respected as a speaker and writer, Dr. Roberts has given more than 300 invited lectures, seminars, symposia, and other presentations around the world and has written more than 160 technical and non-technical papers. He is a Fellow of the American Society of Agronomy.