Director of the Center for Chemical Ecology; Ralph O. Mumma Professor of EntomologyInsect chemical ecology. Plant-insect interactions. Insect attractants.
Professor of GeographyUunderstanding how a wide range of disturbances, especially fire, affect ecosystem function at landscape scales.
Professor of Forest Biology; Director, The Arboretum at Penn StateThe ecology, genecology, and physiological ecology of forest regeneration following disturbance.