David Carter
As Chief Data Officer at the U.S. Department of the Interior, David Carter oversees geospatial initiatives and data strategies, leveraging over eight years of leadership in geospatial information services. David’s role focuses on advancing data management practices and facilitating collaboration across the department’s 11 bureaus to support the Federal GeoPlatform and compliance with the Geospatial Data Act. With a strong foundation in program management, resource management, and management consulting, David is dedicated to optimizing geospatial resources and fostering innovation within the public sector. His mission is to enhance data-driven decision-making and sustain operational excellence for the Department of the Interior, building on a career that includes extensive experience in geospatial solutions for the private sector, Department of Defense, and Department of the Interior.
Nagendra Singh
Nagendra Singh is the Group Leader of the Geospatial Data Modeling Group at Oak Ridge National Laboratory, where he has worked for over 20 years. His research focuses on applying geospatial science to address complex challenges in national security and the resilience of critical infrastructure, supporting agencies such as the DOE, DOD, and DHS. He also leads the HIFLD program at ORNL and serves on the DOE’s Geospatial Sciences Steering Committee.
Maggie Cawley
Maggie Cawley serves as the Executive Director for OpenStreetMap US. She joined OSM US in 2019 after 15 years as a geospatial professional with experience across all sectors, with a focus on sustainability and urban planning. Maggie also currently serves as the vice chair of the National Geospatial Advisory Committee, and holds a MA in Urban and Regional Planning from Virginia Commonwealth University and a BA in International Studies from the University of Richmond.
Andrew Turner
Andrew Turner is CTO of ArcGIS Hub and Director of Esri’s R&D Center in Washington, DC, where he leads teams building open data and geospatial collaboration technology used by governments and organizations in the US and globally. He previously served as CTO of GeoIQ, acquired by Esri in 2012, and has worked with partners including the World Bank, United Nations, NOAA, and hundreds of municipal governments to scale public-facing data and mapping platforms.
Puneet Kollipara
Puneet Kollipara is a geospatial data scientist and outreach/communications specialist in Washington, DC. Leveraging open source, open data and open science, he helps clients find, analyze, provide, translate and integrate data for the benefit of people and the planet. He works with Fulton Ring and the Public Environmental Data Partners on HIFLD Next, a community-shaped geospatial data hub with tools for exploring and downloading archived layers from HIFLD Open, an infrastructure data portal discontinued in 2025. To support open ecosystems, Puneet mentors aspiring technologists via The Upskilling Labs and other apprenticeships, and helps plan convenings like FedGeoDay, FOSS4G North America and the SciPy Conference. Previously a science, environmental and public-policy journalist and blogger, Puneet holds a bachelor’s degree in physics and economics from Washington University in St. Louis, MO.
Timothy Stryker
Tim Stryker serves as Principal for Hudson Passage, LLC, a consultancy which advises clients on effective science and technology policies and partnerships for a more secure and sustainable world. Mr. Stryker was previously employed as Chief of the Outreach and Collaboration Branch of the U.S. Geological Survey National Land Imaging Program, where he worked closely with stakeholders to advance the societal benefits of remote sensing systems. He also served as Director of the U.S. Group on Earth Observations Program at the White House Office of Science and Technology Policy. In this capacity, he coordinated civil Earth observation activities, including systems assessments and data management initiatives, among multiple Federal agencies and their international partners.
Mr. Stryker’s other prior positions include Executive Officer of the international Committee on Earth Observation Satellites, and Deputy Director of the Office of Policy at the National Reconnaissance Office. He has also served in assignments at the National Oceanic and Atmospheric Administration, the U.S. Department of Commerce, the White House Office of Management and Budget, the Federal Communications Commission, and the U.S. Information Agency.
A former Presidential Management Fellow, Mr. Stryker earned his Master’s Degree in Foreign Service from Georgetown University and his Bachelor’s Degree in History from the University of Michigan.
John Crowley
Over 15 years working in humanitarian technology, John has built a career around data sharing and collaboration between large institutions. He wrote the field guide for the World Bank's Open Data for Resilience team, served on the United Nations committee managing the development of the Humanitarian Exchange Language, and built open-source or open data projects as manager of data teams at NetHope, Mercy Corps, and the International Federation of Red Cross and Red Crescent Societies. He also curated the field experiments at Camp Roberts with the National Defense University, where US federal agencies built the MapGive process by which the US State Department releases satellite imagery to the OpenStreetMap community. John holds degrees from the Harvard Kennedy School of Government and Boston University in public administration, music, and the history of ideas.
Josh Sisco
Josh Sisco is a geographer and technology executive specializing in the application of geospatial and open data technologies to real-world operational challenges. With over 20 years of experience across federal, state, and commercial sectors, he focuses on transforming spatial data into decision advantage through integration with enterprise systems, real-time intelligence, and mission workflows.
Andrea Aime
Open source enthusiast with strong experience in Java development and GIS. Personal interest range from high performance software, managing large data volumes, software testing and quality, spatial data analysis algorithms, map rendering. Full time open source developer on GeoServer and GeoTools. Received the Sol Katz's OSGeo award in 2017.
Jeremy Herzog
Jeremy Herzog is the co-founder and CTO of Fulton Ring, and the lead developer for HIFLD Next, an effort to rebuild and actively maintain the discontinued HIFLD Open dataset catalog as a community-stewarded public resource. Jeremy brings over a decade of software engineering experience across startups and large enterprises, designing systems that are both functional and durable.
Galen Scott
Galen Scott has spent over 20 years as a Federal civil servant with the National Geodetic Survey (NGS), the nation’s oldest science agency. He currently serves as the NGS Constituent Manager, responsible for engaging the broad array of NGS stakeholders to help them prepare to transition to and reap the benefits of the modernized National Spatial Reference System. This includes serving as a science translator explaining the esoteric concepts and substantial value of geodesy, soliciting feedback on NGS’ evolving suite of products and services, helping NGS incorporate that feedback into the product development life cycle, and working with industry to ensure that NGS’ authoritative models and tools are accessible in commercial geospatial software. Galen was the project manager for GEOID18 and the GPS on Benchmarks program to crowd-source data for the 2022 Transformation Tool. He holds Master’s Degrees in Environmental Science and Policy from Johns Hopkins University and Environmental Science and Management from the University of Rhode Island.
Rajan Desai
Rajan Desai is the co-founder and CEO of Fulton Ring and one of the core members of HIFLD Next project, an effort to rebuild and actively maintain the discontinued HIFLD Open dataset catalog as a community-stewarded public resource. Rajan has deep domain expertise in data science, renewable energy, and climate-tech.Rajan handles business development and client relationships. He works with organizations to understand their data challenges and translate those into actionable project scopes. His background in data science helps him bridge the gap between technical capabilities and business needs.
Casey Marwine
CDR Casey S. Marwine serves as Chief of the Requirements Branch at NOAA’s Remote Sensing Division, where he leads emergency response operations, coastal mapping, and topo-bathymetric survey efforts supporting the nation’s shoreline. A NOAA Corps officer since 2012, he brings extensive experience in both crewed and uncrewed aviation, with prior roles at the Aircraft Operations Center and Naval Air Test and Evaluation Squadron VX-30. He has logged over 2,000 flight hours across Twin Otter and King Air 350ER missions, supporting coastal mapping, marine mammal, environmental monitoring surveys. A University of Maryland graduate in Geographic Information Systems, CDR Marwine began his career as a geospatial analyst and has built a diverse background spanning hydrographic surveying, aviation operations, and remote sensing.
Heath Hayward
Heath Hayward is a Geographer and Data Scientist in the Center for Economic Studies (CES) at the U.S. Census Bureau. He has developed data tools for the Longitudinal Employer-Household Dynamics (LEHD) program since 2006. Prior to working at the Census Bureau, Mr. Hayward completed his master’s degree in Geographic Information Science at the University of Denver and his bachelor’s degree in economics from DePauw University in Indiana.
Marian Westley
Marian Westley, PhD, is the Director of NOAA’s Center for Operational Oceanographic Products and Services (CO-OPS), the nation’s authoritative source for accurate, reliable and timely water level and current measurements. In this role, she oversees and continues to improve this 24- hour a day operation to provide mariners, coastal managers, and many other users with historic, realtime, and forecast data on ocean conditions along America’s 95,000mile coastline. Dr. Westley's career with NOAA spans over twenty years with much of that time spent advancing climate research and the transition of research to operations. She joined CO-OPS in 2017 as the Deputy Director and has been the acting Director since January 2023. Dr. Westley has a BA in Physics and English from Yale University and an MSc and PhD in Oceanography and a Graduate Certificate in Ocean Policy from the University Hawaii at Manoa.
Miles Weule
Miles has been a cartographer in the office of spatial analysis and visualization at the Bureau of Transportation Statistics since 2021. He studied geography at Clark University and previously supported vision zero implementation for the city of Cambridge, MA.
Marie Urban
Marie Urban leads the Human Geography Group within the Geospatial Science and Human Security Division at Oak Ridge National Laboratory and has nearly two decades of experience advancing high-resolution population modeling in direct support of U.S. government and national security missions. Throughout her career, she has played a central role in the development, sustainment, and evolution of the LandScan program, leading efforts in data integration, spatial analysis, and remote sensing to deliver authoritative, globally consistent population datasets at national and planetary scales.
Daniel Roman
Daniel Roman graduated from the Ohio State University with an MS in Geodetic Science and Surveying in 1993 and a Ph.D. in Geological Sciences in 1999. Dr. Roman has served for over 25 years at NOAA's National Geodetic Survey developing geoid models, serving as Chief for Spatial Reference System Division, then as Chief Geodesist and now is NOAA's Senior Advisor for Geodesy.
Dominic Menegus
Dominic Menegus is a geographer with the US Department of Transportation’s (USDOT) Office of the Assistant Secretary for Research and Technology (OST-R), specifically under the Bureau of Transportation Statistics (BTS). Mr. Menegus has been with BTS for almost 17 years and is the project manager for the National Transportation Atlas Database (NTAD). NTAD is a collection of over 130 different geospatial datasets and tables from the Operating Administrations within the USDOT, along with many different government agencies. Prior to working at BTS, Mr. Menegus completed his master’s degree in Geographic and Cartographic Sciences at George Mason University and his bachelor’s degree in Geography from the University of Delaware.

