Assistant Research Professor, Department of Geographical Sciences, University of Maryland
Associate Research Professor, Department of Geographical Sciences, University of Maryland
Senior Research Fellow, Global Risk Governance Programme, University of Cape Town
Associate Research Professor, Department of Geographical Sciences, University of Maryland
Professor, University of Valencia
Senior Faculty Specialist, Department of Geographical Sciences, University of Maryland
Associate Research Professor, Department of Geographical Sciences, University of Maryland
Professor, Department of Geographical Sciences, University of Maryland
Senior Faculty Specialist, Department of Geographical Sciences, University of Maryland
Associate Professor, Department of Geographical Sciences, University of Maryland
Adjunct Professor, Department of Geographical Sciences, University of Maryland
Faculty Specialist, Department of Geographical Sciences, University of Maryland
Emeritus Research Scholar, IIASA
Research Professor, Department of Geographical Sciences, University of Maryland
Research Professor, Department of Geographical Sciences, University of Maryland
Professor, Department of Geographical Sciences, University of Maryland
Adjunct Associate Professor, Department of Geographical Sciences, University of Maryland
Professor, Department of Geographical Sciences, University of Maryland
Assistant Professor, Department of Geographical Sciences, University of Maryland
Professor, Department of Geographical Sciences, University of Maryland
Research Professor, Department of Geographical Sciences, University of Maryland
Professor, Department of Geographical Sciences, University of Maryland
Associate Professor, Department of Geographical Sciences, University of Maryland
Associate Research Professor, Department of Geographical Sciences, University of Maryland
Professor, University of Bern
Research Professor, Department of Geographical Sciences, University of Maryland
Regional Representative (Asia), Malaria Consortium
Professor, Department of Geographical Sciences, University of Maryland
Senior Researcher, Department of Software for Space Systems and Interactive Visualization, DLR
Associate Research Professor, Department of Geographical Sciences, University of Maryland
Assistant Professor, Department of Geographical Sciences, University of Maryland
Emeritus Professor, UMD and Chair Professor, University of Hong Kong
Associate Professor, Department of Geographical Sciences, University of Maryland
Professor, Department of Geographical Sciences, University of Maryland
Assistant Professor, Department of Geographical Sciences, University of Maryland
Associate Professor, Vietnam National University Hanoi
Post-Doctoral Associate, Department of Geographical Sciences, University of Maryland
Assistant Professor, Department of Geographical Sciences, University of Maryland
Assistant Professor, Department of Geographical Sciences, University of Maryland