Mohammad Pessarakli is a professor at the University of Arizona, Tucson, where he earned his PhD in soil and water science. His work at the university includes research and extension services as well as teaching courses in turfgrass science, management, and stress physiology. He has authored or coauthored 185 journal articles and 55 trade magazine articles, written 20 book chapters, edited several books, and is a member of editorial boards and book review committees for scientific journals. He is also an active member of various organizations on agricultural fields, agronomy, crop science, and soil science and is an executive board member of the American Association of the University Professors, Arizona chapter. His research on environmental stress and expertise on plants and crops is internationally recognized.