University of Stuttgart and Research Institute for Sustainability (RIFS)

Ottawa Hospital Research Institute, Senior Scientist

Professor of Radiology, Medicine, and Biomedical Data Science, Stanford University

Portland State University

Professor Resilient Resource Supply, Leiden University

Karlsruhe Institute of Technology

Distinguished Senior Fellow, George Mason University

professor Environmental systems analysis, Chalmers University of Technology

Professor Science and Technology Studies, Maastricht University

Deputy Editor, NEJM; Professor of Medicine, USU