Global Water Security Center

Providing decision makers with the most reliable, ground-breaking research, applied scientific techniques, and best practices so that the hydrologic cycle and its potential impacts can be put in a context for appropriate action and response by the United States

Meet the GWSC Team

Michael S. Gremillion, Director

For more than 27 years, Mike Gremillion, Colonel USAF (Ret.), provided scientific leadership and expertise for national security environmental support under the U.S. Department of Defense. Read more.

Dr. Kate Brauman, Deputy Director

Dr. Kate Brauman is a 2020-22 Water and Climate Resilience Fellow at the US Department of Defense through a Science Technology Policy Fellowship with the American Academy for the Advancement …  Read more. 

Hobson Bryan, Associate Director for Technology

Hobson Bryan has over a decade of experience designing and developing information systems to improve environmental risk management as well as economic … Read more.

Penny Beames, Human-Environmental Analyst

Penny Beames has 15 years of international work and research experience in water resources, water sharing, and the effects of dams and reservoirs on human and non-human systems. Read more.

Lillian Gordon
Lillian Gordon, Scientific Analysis Manager

Lillian (Lilly) Gordon joins GWSC after a stint as a researcher at the USDA-ARS conducting drought and deluge research in the Pawnee Grasslands of Northern Colorado and Northern Wyoming. … Read more.

Dr. Kaitlin Kimmel-Hass, Environmental Data Scientist

Dr. Kaitlin Kimmel-Hass is an ecologist and data scientist who’s past research has included topics like biodiversity loss, adaptive management, meta science, and causal inference. Her most recent publication shows … Read more.

Dr. Sambadi Majumder, Environmental Data Scientist

Dr. Sambadi Majumder is a seasoned Data Scientist with a rich background in ecology, agronomy, and biology, currently based in South Royalton, Vermont. With a career marked by stints at prestigious … Read more.

Misty Mathews, Communications Liaison

Misty Mathews has over 15 years of communications experience both in private industry and in higher education, including expertise in communications strategy and social media management. Read more. 

Dr. Penelope Mitchell, Human-Environmental Analyst

Dr. Penelope Mitchell is a human geographer and computational social scientist with research interests in complex spatial systems in the domain area of health, human-environment interaction … Read more.

Dr. Erin Menzies Pluer, Environmental Data Scientist

Erin Menzies Pluer is an Environmental Engineer and Hydrologist. She comes to the Global Water Security Center with experience in water security in both a research and a policy context. Read more.

Nicholas Roberge, Senior Geospatial Intelligence Analyst

Nicholas Roberge has worked a variety of roles in the US and in Japan from teacher to intelligence analyst. Most recently he participated in the NASA DEVELOP program as an analyst using NASA Earth … Read more.