Emeritus, Earth and Atmospheric Sciences
Member of the US National Academy of Sciences (NAS), Guggenheim Fellow
Professor, Earth and Atmospheric Sciences
Wells Professor
Fellow of the Geological Society of America
Paleoecology of tropical reef systems; Anthozoa and Mollusca; global change and marine ecosystems
Associate Professor, Earth and Atmospheric Sciences
Research Associate, The Stone Age Institute
Adjunct Professor, Anthropology
Affiliate Faculty, African Studies Program, Indiana University
Paleoanthropology of East Africa; Pleistocene human and vertebrate interactions; paleontology and geology of Olduvai Gorge.
Professor and Chair, Department of Earth and Atmospheric Sciences
Fellow of the American Association for the Advancement of Sciences (AAAS)
Vertebrate paleontology; phylogenetics and functional morphology of mammals; quantitative evolution; ecometrics and responses of vertebrate communities to environmental and climatic change.