Academic Background: Ph.D. in Geology, University of Cincinnati, 1978.
Research Interests: Paleontology, evolutionary biology, and echinoderm morphology. Specializes in fossil crinoids and paleoecology.
Appointments: Professor of Earth Sciences, The Ohio State University; Director, Orton Geological Museum.
Awards: Schuchert Award, Paleontological Society.
Publications: Author of Fossil Crinoids (Cambridge University Press, 1999).
Additional Contributions: Curates extensive fossil collections; leads field expeditions globally.