Travis is an Adjunct Professor in the UCLA Institute of the Environment and Sustainability and Co-Chair, Environmental Science and Engineering (D.Env.) Program. He is an Associate Editor of PLoS ONE and Urban Ecosystems and is a Certified Senior Ecologist (Ecological Society of America) and a GIS Professional (GISP). Dr. Longcore conducts research on environmental health, focusing on the conservation of biodiversity in cities and beyond and the application of spatial tools to human health exposures.