Museum Curator Adjoint in Entomology
Museum of Natural History
University of Colorado
Boulder, CO 80309, USA

Distinguished Research Professor
and Distinguished Professor Emeritus
University of Connecticut
Storrs, CT 06269-3043, USA

Professor e Pesquisador Visitante Especial
Universidade Federal de Goiás
Goiânia, GO, Brazil

International Collaborator
Center for Macroecology, Evolution and Climate
The Natural History Museum of Denmark
University of Copenhagen, Denmark

Biogeography theory and models. Global change. Biodiversity statistics, biodiversity inventory, biodiversity informatics. Species interactions and coevolution, especially between plants and animals (hummingbird flower mites, phoretic on hummingbirds, and the flowers the mites inhabit and the hummingbirds visit). Evolution in structured populations. Conservation biology. Biology and public policy.