Harold van Es is a professor of soil and water management and former chair of the Department of Crop and Soil Sciences at Cornell University. He received degrees from the University of Amsterdam, Iowa State University, and North Carolina State University. He works on approaches to precision soil management, with current emphases on soil health, a computational tool for precision nitrogen management (Adapt-N) that was recently commercialized, and space-time statistics. He has published over 110 peer-reviewed papers and chapters, co-authored a widely-read book on sustainable soil management, developed numerous extension articles and videos, and advised 47 graduate students. He teaches an undergraduate course in Soil and Crop Management for Sustainability and a graduate course in Space-Time Statistics. He is the president-elect and a fellow of the Soil Science Society of America, and also a fellow of the American Society of Agronomy.