Rosemary Gillespie is the William M. and Esther G. Schlinger Chair in Systematic Entomology and a professor of Environmental Science, Policy & Management. Her research focuses on insects and spiders that comprise much of life's diversity and are critical for functioning ecosystems. Her focus is on the elucidation and conservation of this biodiversity in order to maintain the life-support system provided by nature's variety, and the living resources necessary for ecologically sustainable development. Professor Gillespie recieved a Berkeley-Portugal Faculty mobility grant in Spring 2026 to giver her talk "Adaptive Radiation: Isolation & Ecological Divergence" at the 2026 Mértola Conference.