Donagh Hennessy is a Research Associate in Food Systems Analysis at the Environmental Change Institute at the University of Oxford. He has years of experience in the area of circular food systems analysis, conducting a PhD on the topic at both Teagasc and Wageningen Universities.

His research interest focuses on the role that livestock occupy in the food system and how they can fed to ensure sustainable food production. Specifically, the role that ruminants may occupy in a future circular food system.