Jessica Pierce (born October 21, 1965) is an American bioethicist, philosopher, and writer. She currently has a loose affiliation with the Center for Bioethics and Humanities, University of Colorado Denver, but considers herself mostly independent. She has previously worked variously at the University of Colorado Boulder, the University of Nebraska Medical Center, and Randolph-Macon Women's College, having studied at the University of Virginia, Harvard Divinity School and Scripps College.Early in her career, she focused on questions of human health and the environment, co-authoring Environmentalism and the New Logic of Business (Oxford, 2000) and The Ethics of Environmentally Responsible Health Care (Oxford, 2004). Since the 2000s, much of her work has focused on human relationships with animals. She collaborated with Marc Bekoff for Wild Justice (Chicago, 2010), and authored The Last Walk (Chicago, 2012) and Run, Spot, Run (Chicago, 2016).