David Showalter is an Assistant Professor of Sociology at Harvard University. David uses ethnographic and qualitative methods to investigate how place, social networks, and organizations influence health, criminalization, and marginality, particularly with respect to drug use and drug policy. David’s first book project is a multisite ethnographic study of opioid use and opioid-related services in backcountry California. Their research has been published in Social Science & Medicine, Theory & Society, International Journal of Drug Policy, Mobilization, and elsewhere. David holds a PhD in Sociology from the University of California, Berkeley.