Harvard University
Teaching Fellow
Naturalis Biodiversity Center
Guest Researcher
College of the Holy Cross
Professor of Biology
Harvard University
Research Assistant, Ornithology Department
Naturalis Biodiversity Center
Temminck Fellow
Royal Tyrrell Museum of Palaeontology
Research Fellowship
Museon
Scientific Staff, Geology Department
College of the Holy Cross
Department Chair, Biology
Maastricht University
Dean, Maastricht Science Programme
Maastricht University
Professor of Vertebrate Paleontology and Evolution
Harvard University
Utrecht University
