About

We are highly motivated individuals who have come together for work that we find challenging, enjoyable, and purposeful.  Our backgrounds include private sector, government, and non-profit work, with a focus on land use planning, design, and conservation.  Our work has contributed to land being set aside in perpetuity for conservation, the restoration of public and private properties, and the creation of sustainable land use policy.

Learn more about our work in CONSERVATION, REGIONAL ANALYSIS, SITE ASSESSMENTS, WEB GEOGRAPHY, and CARTOGRAPHY.

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Clients Include:

City of Austin – Office of Sustainability   •   City of San Antonio   •   The Contemporary Austin (@ Laguna Gloria)   •   Cullinan Park Conservancy   •   Devils River Conservancy   •   Hill Country Land Trust   •   Hill Country Conservancy   •   Hill Country Alliance   •   Pease Park Conservancy   •   Sustainable Places Project   •   Texas Land Conservancy   •   Texas Land Trust Council   •   Victor Emanuel Nature Tours   •   Wilbarger Creek Conservation Alliance   •   Wimberley Valley Watershed Association

 

Our Team:

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JONATHAN OGREN, PRINCIPAL AND ENVIRONMENTAL PLANNER
Jonathan founded Siglo Group in 2006 to help clients integrate natural systems into land planning and design.  He specializes in environmental assessment, regional analysis, conservation planning, mapping, and land use feasibility studies.  He is a graduate of the University of Texas at Austin with an M.A. in Geography and the Environment and a B.A. in Biology.  He is now on the faculty at the University of Texas School of Architecture, where he teaches graduate students to integrate geographic analysis into their research.  One of his first professional jobs was with NASA.  The experience changed his direction through the realization of how valuable and irreplaceable natural systems are here on this planet.  Jonathan also worked at the Lady Bird Johnson Wildflower Center and Sequoia National Park.  He served on the Imagine Austin Comprehensive Plan Advisory Task Force.  Outside of work, Jonathan can be found running around Lady Bird Lake or hiking the Hill Country with his sons and their dog.

CLARE CROSBY, ASSOCIATE
Clare joined Siglo Group in 2014, when she returned home to Austin after 9 years in Vermont.  She received a B.A. in Environmental Studies and Conservation Biology from Middlebury College and an M.S. in Natural Resources from the University of Vermont.  Clare’s academic and professional experience includes ecological assessment, invasive plant inventory and management, geographic analysis, cartography, and communication and outreach.  Beyond work, she spends her time rock climbing, jogging, camping, photographing plants, or hiking with her dog.

DANIEL DIETZ, LAND MANAGEMENT ASSOCIATE
Daniel has worked for more than 15 years in the land stewardship field.  He is currently the Stewardship Director at Texas Land Conservancy and in the past has worked for the City of Austin Wildland Conservation Division, The Nature Conservancy, and the Lady Bird Johnson Wildflower Center.  He has experience in invasive species management, ecological restoration, constructing and maintaining trails, creating baseline reports and land management plans, as well as advising landowners, mapping properties, and leading volunteer work crews.  He is a licensed Pesticide Applicator in Texas and has experience in wildland firefighting and prescribed burns.  Daniel is a graduate of the University of Texas at Austin with a B.A. in Geography and Environmental Resource Management.

BEN LABAY, ASSOCIATE
Ben Labay has worked as a biologist and conservation scientist for over 10 years.  He received a B.S. in Evolution, Ecology, and Behavior from the University of Texas at Austin and a M.S. in Aquatic Resources and Biostatistics in 2010.  Ben’s academic and professional experience started in stream fish ecology and has transitioned to studies involving spatial patterns and modeling species occurrences and distributions. In the last few years, his research has focused on systematic conservation assessments at regional and national scales, with an emphasis on communication and mainstreaming of planning products for effective conservation implementation among diverse stakeholders and priorities.