Born to William and Aline Payne in Indianapolis, IN.
Earns a Bachelor of Arts in chemistry from Wabash College; Is a volunteer with the Peace Corps in Mauritania until 1984.
Marries his wife on June 30; Is a research assistant at Texas A&M University until 1990.
Achieves a Master of Science in soil science from Texas A&M University.
Obtains a Doctor of Philosophy in soil science from Texas A&M University.
Is a postdoctoral researcher at Texas A&M University until 1991.
Is a principal scientist with ICRISAT in Niger until 1997.
Serves as chair of the international division of the American Society of Agronomy until 1998.
Teaches as an assistant professor of agronomy at Oregon State University until 2000.
Is an associate editor of “The Agronomy Journal” through today.
Teaches an associate professor of crop physiology at Texas A&M University in Bushland until 2005.
Teaches a professor of crop physiology at Texas A&M University until 2010.
Is assistant director for research at the Norman Borlaug Institute for International Agriculture until 2011.
Is director of CGIAR Dryland Systems Research Program until 2014.
Is dean of the College of Agriculture, Biotechnology and Natural Resources at the University of Nevada through today.