Dr. Steve Phillips is Director of the Southeast United States region of the International Plant Nutrition Institute (IPNI). Dr. Phillips' duties include development and dissemination of educational materials focused on the efficient and effective use of plant nutrients. In addition to his regional responsibilities, Dr. Phillips also serves as chair of an international IPNI workgroup focused on spatial and temporal variability issues in agriculture. Dr. Phillips holds a B.S. degree from Cameron University in Lawton, OK, and M.S. and Ph.D. degrees from Oklahoma State University.