Gary Cohen has been an advocate in the environmental health community for over thirty years. For many years he worked for an organization that provided technical assistance to community leaders living in polluted places. Over the last twenty years he has led Health Care Without Harm, whose mission is to address the environmental footprint of the health sector and transform health care organizations into community anchors for resilience and sustainability. Cohen received a MacArthur Award in 2015. He is married to a yoga teacher and has a daughter who is training to be a horse whisperer.