Holmes is on faculty in the Division of Society and Environment and the Joint Program in Medical Anthropology. He is Co-Director (with Ian Whitmarsh) of the MD/PhD Track in Medical Anthropology coordinated between UCSF and UC Berkeley and Co-Chair (with Charles Briggs) of the Berkeley Center for Social Medicine. A cultural and medical anthropologist and physician, he has worked on social hierarchies, bordering practices, bodily experiences, the clinical gaze and the ways in which social and health asymmetries are naturalized, normalized and resisted in the context of transnational im/migration and health care. He has received national and international awards from the fields of anthropology, sociology, and geography. In addition to scholarly publications, he has written for popular media such as The Huffington Post and Salon.com and spoken on multiple NPR, PRI, Pacifica Radio and Radio Bilingüe radio programs.