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Envoys

The NISAR Envoy Program defines a volunteer-based community of committed SAR users working within the applications community.

NISAR Envoys are experts in their field and are cognizant of opportunities NISAR will bring to their field. They share this knowledge within their communities to encourage use of NISAR data for meeting agencies’ information needs.

Envoys are kept informed by the NISAR Program of mission status and opportunities. They provide feedback on the mission’s utility to their communities.

Envoys may have current or previous SAR application experience that they can present at major application-specific workshops and meetings and through NASA’s capacity building programs.

Envoy community engagement activities:

  1. Envoys discuss potential benefits of NISAR as an upcoming available source of openly available public data at meetings where they are presenting.
  2. Envoys help to identify active and willing partners for further potential engagement with the NISAR community.
  3. Envoys help respond to inquiries from the applications community about how to use SAR for decision support or information product systems.
  4. Envoys will have the opportunity to join NISAR-lead Education and Training programs.

Science Team Leadership

Andy Mahoney smiling

Andy Mahoney

Research Professor, Geophysical Institute, University of Alaska, Fairbanks

Africa Flores smiling at a desk

Africa Flores

NASA-SERVIR LCLUC & Ecosystems Thematic Lead
Leadership Category: Envoys

Ben Brooks smiling

Ben Brooks

United States Geological Survey
Leadership Category: Envoys

Bill Empson talking at a table

Bill Empson

Empson Engineering and Consulting
Leadership Category: Envoys

Brad Quayle

Brad Quayle

United States Department of Agriculture
Leadership Category: Envoys

Brian Conway

Brian Conway

Hydrologist and Geophysics/Surveying Unit Supervisor
Arizona Department of Water Resources
Leadership Category: Envoys

Christopher Cole

Christopher Cole

Remote Sensing Coordinator
Bureau of Land Management
Leadership Category: Envoys

Dalia Kirschbaum

Dalia Kirschbaum

NASA
Leadership Category: Envoys

Ellen Ramirez

Ellen Ramirez

National Oceanic and Atmospheric Administration
Leadership Category: Envoys

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Glen Russell

Federal Emergency Management Agency
Leadership Category: Envoys

Gordon Wells

Gordon Wells

University of Texas Center for Space Research
Leadership Category: Envoys

Hannah Dietterich

Hannah Dietterich

United States Geological Survey Alaska Volcano Observatory
Leadership Category: Envoys

Heather McNairn

Heather McNairn

Science and Technology Branch, Agriculture and Agri-Food Canada
Leadership Category: Envoys

Mike Cosh

Mike Cosh

United States Department of Agriculture
Leadership Category: Envoys

Mike Poland

Mike Poland

United States Geological Survey
Leadership Category: Envoys

Nancy French

Nancy French

Michigan Tech.
Leadership Category: Envoys

Netra Regmi

Netra Regmi

Oklahoma Geological Survey, University of Oklahoma
Leadership Category: Envoys

Shawn Carter

Shawn Carter

Senior Physical Scientist
National Water Center, National Oceanic and Atmospheric Administration
Leadership Category: Envoys

Ramesh Singh

Ramesh Singh

School of Life and Environmental Sciences, Chapman University
Leadership Category: Envoys

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Last Updated
Jul 23, 2025