Coppess studies agriculture policy and has served in several policy positions at the national level, now serving as the director of the Gardner Agriculture Policy Program.

Coppess studies agriculture policy and has served in several policy positions at the national level, now serving as the director of the Gardner Agriculture Policy Program.
Margenot evaluates how human activities can enhance or compromise soil services to human societies, with an emphasis on food security from urban and rural agroecosystems across the globe.