Hampton Stall's research investigates militant group organization, cross-ideological relationships, and group cultural production. He is the founder of MilitiaWatch, which focuses on US-based right-wing militia groups. Additionally, he is a Senior Research Specialist with at the Princeton School of Public and International Affairs (SIPA).

He holds a Bachelors with Honors in Political Science from Davidson College and an Applied Anthropology Masters from Emory University. Stall has conducted fieldwork in the Levant and Northern Ireland.