geohuntsville@gmail.com   |   Huntsville, AL - Madison County - USA


Our 100% volunteer board members work hard to uphold GEOHuntsville's vision through:

• Increase Stakeholder Involvement
• Enhance the Safety, Security, and Sustainability of Communities Through the Integration of Geospatial Technologies
• Promote Partnerships with Intelligence, Response, and Security Communities, Government, Public Agencies, Industry, Educational Institutions, and Individuals
• Promote Geospatial Workforce Development, Education, and Tradecraft
• Promote Geospatial Information/Data/Technology Development and Sharing
• Foster Geospatial Business, Entrepreneurship and Economic Development

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Greg has served on GEOHuntsville’s Board of Directors since inception and as President for the past three years.  In 2018, he was elected as Executive Director. His geospatial background is that of a consumer of geospatial products during his 2500+ flying hours as an Air Force aviator. 

Executive Director

Greg Schumann

Ms. Chris Johnson is a founding member, former Executive Director, and currently serves as Chief Technology Officer of GEOHuntsville. In her professional career, she has worked at the local, state, and federal level in the geospatial sector over the past 30 years.  She has led teams through a myriad of programs, partnerships and collaborations, comprised of subject matter experts in the area of visual intelligence, communication, network applications, unmanned aircraft systems, and sensor development. Her passion remains in developing technologies to support our first response community.   

Chief Technology Officer

Chris Johnson


Rick is currently the Chief Engineer at Yulista Tactical Services in Huntsville Alabama. Rick holds the Bachelor of Aerospace Engineering from Auburn University, the Master of Science in Computer Science from the University of West Florida with honors and additional graduate course work at Stanford University. Rick has 38 years of experience in manned and unmanned aircraft modification, flight testing, robotics, Global Positioning System (GPS)-based instrumentation development, military hardware test and evaluation, climatic simulation, T&E instrumentation development, software architecture development, modeling and simulation, education and training research, Virtual Reality (VR) and system development and testing. He has served as a consultant to the U.S. House of Representatives, the U.S. Senate, Department of Defense and NATO on issues related to military hardware and software test and development, military systems analysis and computer security. Picture below is Rick installing an IR Flasher on a ground sensor at Benbecula United Kingdom during an autonomous unmanned vehicle joint research project with the Royal Navy. 

Assistant CTO

Rick Toliver

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Jim is a retired senior geospatial analyst from the CIA. 


James (Jim) Shelton

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Tim heads up the City of Huntsville’s GIS department.  Tim holds a Masters in Urban System Analysis and Planning from the University of Alabama. He started his Geospatial Career in 1982 working at the University of Alabama Cartographic Research Lab.


Tim Barnes

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Sheila joined the board as our membership chairman, brings 30+ years’ experience in managing nonprofit organizations and was co-founder of Energy Alabama. Sheila is the Director of Business Development at Bailey Consulting Services. They are an engineering services firm with a division on geotagged data capture and video closeouts collaborative toolset.  

Membership Director

Sheila McFerran

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Jessica graduated Magna Cum Laude from Park University earning a B.S. in Geography. She previously held the title of Customer Relationship Manager for a government contractor and is the current head of Business Development for MTA, Inc. Jessica also volunteers her time as AFCEA’s VP for Information and Public Affairs. She is also an active member of WID, NDIA, SMDWG, GEOHuntsville, Cyber Huntsville and the Acquisition Golf League on Redstone Arsenal. 

Director of Marketing & Communication

JessicA Washburn

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David is an intellectual property attorney by trade but shares a strong passion for geospatial technologies.  David also serves on the HudsonAlpha Institute for Biotechnology board and heads up our new thrust into biotech/geospatial convergence.  David is also a founding member of GEOHuntsville. 

Head of Biotech Committee

David Lucas


Michael is a former Army intelligence analyst and is now Leidos corporate lead for Huntsville.  Michael is leading our effort to increase member value. 

Head of National Security Committee

Michael Meagher

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Dr. Wubishet Tadesse is a Professor and Chair of the Department of Biological and Environmental Sciences in the College of Agricultural, Life and Natural Sciences (CALNS) at Alabama A&M University. He teaches undergraduate/graduate courses in remote sensing and geographic information systems, spatial analysis and modeling with research focus on land-use land-cover change detection, and environmental quality assessment using satellite/aerial remote sensing data and geospatial/image processing techniques.

Head of Education & Workforce Development Committee

Dr. Wubishet Tadesse

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Dr. Robert Griffin is a professor of Earth and Atmospheric Science at the University of Alabama in Huntsville. His teaching and research focus on techniques of geospatial information analysis and on the application of NASA satellite remote sensing for enhanced decision-making.  Dr. Griffin leads a team of 20+ scientists and graduate students, whose international research is often featured at professional conferences, in journals, and in the popular media. 

Assistant of Education & Workforce Development Committee

Dr. Robert Griffin

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Kim has an extensive intelligence background in both the military and the IC.  Kim is also the President of Cyber Huntsville. 

Assistant of Education & Workforce Development Committee

KIm King


John Walker is an Unmanned Systems Atmospheric Scientist at Cherokee Nation Strategic Programs, working in support of the National Oceanic and Atmospheric Administration’s (NOAA) UAS Program Office. Here, he works as a member of the program’s Science Assessment team, leveraging previous experience in “research-to-operations” (R2O) applications to help identify areas of need within NOAA in which UAS may help to fill data gaps and perform tasks more cheaply and/or more safely. Prior to his work with CNSP and NOAA, he served in various roles as a research meteorologist to support NASA’s Natural Environments branch, the Von Braun Center for Science and Innovation (VCSI), and the University of Alabama in Huntsville’s Earth Systems Science Center. John now joins us in using his experience with UAS and R2O, serving as Chair of the GEOHuntsville UAS Working Group.

Head of UAS & First Responder Committee

John Walker


Angela is the President and CEO at Riverstone Solutions, Inc. She is also the founder of Cyberreach.org, a non-profit organization supporting a qualified and diverse cyber workforce.

Head of Big Data Committee

ANGELA Rittenbach

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Retired member of Senior Executive Service DOJ/DEA) and US Army. Forty-plus years experience in managing GEOINT operations and applications in combat and law enforcement operations, both domestically and internationally. Former head of Office of National Security Intelligence, DEA, the 16th member agency of the US Intelligence Community.  

Head of Law Enforcement Committee

BOND Wells

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Ben spent 21 years in the US Air Force delivering and integrating space-based imagery for many global requirements.  He leads systems engineering projects for a variety of government and corporate customers requiring accurate and timely geographic imagery.  Ben is a Senior Program Manager for Maxar Corporation and is their Huntsville operations director.  He has a B.S. in Applied Mathematics from UAB and an M.B.A from Columbia Southern University. 

Head of Commercial Space

Ben Johnson