Chenxu Yu holds a Ph.D. in biological systems engineering with a minor in computer science from the University of Wisconsin, Madison. He is an associate professor in the Department of Agricultural and Biosystems Engineering at Iowa State University, where his research focuses on bionanotechnology and biosensor development, and their applications in biomedical diagnosis and food and water safety.Thomas Brumm earned his Ph.D. in agricultural engineering with a minor in chemical engineering at Iowa State University where he is now an engineering professor and the associate director of the Iowa State University Center for Sustainable Rural Livelihoods. Dr. Brumm researches post-harvest systems to ensure food security and how to eliminate inefficiencies in biorefineries for biomass storage.