Greg Yetman

Associate Director for Geospatial Applications, Senior Staff Associate III, Geospatial Applications, Center for International Earth Science Information Network (CIESIN), Columbia Climate School

Lecturer, M.S. in Sustainability Management

School of Professional Studies

204 Geoscience
Lamont Doherty Earth Observatory
61 Route 9W, PO Box 1000
Palisades, NY 10964


Greg Yetman is associate director for the Geospatial Applications Division at CIESIN. He is a geographer specializing in the application of geographic information system (GIS) technologies in applied and research fields, including population geography, natural disasters, and environmental assessment. He has acted as a technical advisor on GIS to government and international organizations, including the United Nations Geographic Information Working Group (UNGIWG), the Global Spatial Data Infrastructure Association (GSDI), the National Center for Atmospheric Research (NCAR) climate data working group, and the Canadian province, Newfoundland and Labrador. He has led implementation of geospatial services for the NASA Socioeconomic Data and Applications Center (SEDAC) that have been used in initiatives such as the Global Earth Observation System of Systems (GEOSS) architecture implementation pilots. Yetman has played an integral role in CIESIN activities including the development of the Gridded Population of the World (GPW) data set, the Natural Disaster Hotspots project, and the Global Rural-Urban Mapping Project (GRUMP). He has taught courses as an adjunct professor for Columbia University’s Department of Earth and Environmental Engineering and Mailman School of Public Health. He previously worked as a senior consultant and business analyst for Esri Canada and as a consultant to the North American Commission for Environmental Cooperation.


Only select projects listed below
Name Start Date End Date
A Framework For The Validation of Global Nighttime Environmental Products 9/1/17 8/31/20
Building Data for Climate Change: Filling Data Gaps and Characterizing Storm Surge Impacts in the Hudson River Valley and Long Island 6/15/15 12/31/18
Developing a Global WorldPop Dataset 11/19/15 8/31/18
Development of National Disaster Risk Profiles for Sub-Saharan Africa 6/4/15 12/31/15
Establishment of the POPGRID Data Collaborative 9/1/17 6/30/20
Exposure Data Development for Africa Disaster Risk Financing Phase II 4/21/16 9/21/16
Flood Impacts and Adaptation Strategies : Filling Data Gaps in Upstate and Western New York 12/20/16 7/31/20
GIS-based Graphical User Interface Tool for Analysis of Solar Thermal Desalination Systems and High Potential Implementation Regions 10/1/18 9/30/21
Mapping Water Infrastructure in the Hudson Valley 2/1/18 8/31/18
Population and Infrastructure on Our Human Planet: Supporting Sustainable Development through Improved Spatial Data and Models for Human Settlements, Infrastructure, and Population Distribution Based on Earth Observations 1/2/18 6/30/22
Population Data Validation II 4/6/16 10/31/19
SERVIR for USAID West Africa 4/7/16 8/30/21
Stage 2: Developing Global Building Exposure for Disaster Forecasting, Mitigation and Response 8/22/14 8/21/17
Sustainability Framework and Data Management in Chile 5/28/19 5/27/20
Open Critical Infrastructure Exposure for Disaster Forecasting, Mitigation, and Response 7/1/19 6/30/20
Eco-social interactions influencing human exposure to ticks and the Lyme disease agent in anthropogenic landscapes 9/1/19 2/28/23
Modeling the Economic Impact of COVID-19 with EO-Based Technologies 9/3/20 9/2/21
Continued Support for the High Resolution Settlement Layer Data Development 3/1/20 2/28/21
Development of Cloud Computing and Machine Learning Tools to Identify Combined Heat and Flood Exposure Worldwide 3/15/22 3/14/23
GRID3 Phase 2 - Scaling 9/1/23 6/30/24
GRID3: Phase 2 Scaling 9/1/23 6/30/25
Support for Development of the High Resolution Settlement Layer 12/1/23 11/30/24
The Lancet Commission on COVID-19 7/1/20 6/30/22
Zero Dose Child Vaccination Project of the Equity Acceleration Fund 2/1/24 6/30/25