Jonathan Ogren is a Conservation and Environmental Planner who runs Siglo Group, a planning and GIS firm focused on helping clients integrate natural systems into land planning and design.  He specializes in environmental assessment, regional analysis, natural area management, cartography, conservation planning, and land use feasibility studies.  His work combines rich data in a geographic information framework to create compelling and informative products.  Representative projects include Land for Water Conservation Planning for the Texas Land Conservancy, Laguna Gloria Site Assessment, Land Conservation Prioritization for the San Antonio Edwards Aquifer Protection Program, the Pease Park Master Plan, the Strategic Conservation Plan for the Hill Country Conservancy, the Sustainable Places Project, and the Urban Forest and Natural Area Management Guidelines for Lady Bird Lake and the Butler Trail.  He is the co-author of the Texas Landscape Project: Nature and People, a collaboration with David Todd published by Texas A&M University Press.  The book documents environmental issues throughout Texas through narratives and maps.


  • Master of Arts, Geography and the Environment, EPA-NNEMS Fellow, University of Texas at Austin, 2008
  • Bachelor of Arts, Biology, University of Texas at Austin, 1996
  • Conservation planning, regional planning, site assessment as an integral part of design, geographic representation, cartography, watershed planning, natural area management, restoration ecology, park planning, economic contributions of open space.