Quentin is an Associate Professor at the Department of Anthropology, University of Copenhagen, Denmark. 

His research has dealt with different themes and regions, from classical ethnography with focus on religion and ethnicity in Cameroon, to AIDS prevention in Zambia and Burkina Faso, and to socio-cultural aspects of natural resource management in Burkina Faso, Tanzania (agro-forestry), Cameroon (agro-pastoral conflicts), Malaysia (management of Niah National Park), Thailand, Botswana, Swaziland, South-Africa (sustainable use of natural resources) and Denmark (reduction of CO2 emissions). He is currently doing research on the market chain of green charcoal in Northern Uganda.