Robert Mullen

Director of Agronomy

Dr. Robert Mullen is the Director of Agronomy with Nutrien.  He has been in the fertilizer industry since 2011.  Prior to joining the industry, he was an Associate Professor of Soil Fertility and Nutrient Management at Ohio State University.  Dr. Mullen received his B.S. in Ag Business at in 1998. He earned his M.S. in Plant and Soil Science and Ph.D. in Soil Science from Oklahoma State University in 2001 and 2003, respectively. Dr. Mullen has nutrient research experience in a multitude of crops across the Great Plains, the Southeast, and the Midwest.