Claudio Hermida is a Portuguese-Canadian category theorist and theoretical computer scientist. His works include the study of higher categorical descent theory, higher categorical fibrations (including ongoing work with Marta Bunge), multicategories, the relationship between structure and property in terms of 2-categorical algebra and fibered categories, etc.
homepage at Queen’s University
Descent on 2-fibrations and strongly 2-regular 2-categories, Appl. Categ. Structures 12 (2004), no. 5–6, 427–459.