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Meet the DUFS Team

Denver Urban Field Station and New York Urban Field Station personnel work together on a tree planting in Brooklyn.
Denver Urban Field Station and New York Urban Field Station personnel work together on a tree planting in Brooklyn.

Core team

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Travis Warziniack (Team lead)
Travis Warziniack is a research economist with the USFS Rocky Mountain Research Station and the team leader for the Denver Urban Field Station. His work focuses on valuation of ecosystem services, with an emphasis on ecosystem services and nature’s role in sustaining communities. He serves as the water specialist for the Resource Planning Act (RPA) Assessment, a report to Congress on the status and trends of the nation’s renewable natural resources. He has published widely in the environmental economics and water resources literature, including two book chapters on invasive species and valuation of ecosystem services. Prior to working at the Rocky Mountain Research Station he was a professor of environmental economics at the University of Heidelberg, Germany and worked as a consultant in economic development. He received his PhD from the University of Wyoming in 2008.

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Amanda Egan
Amanda Egan is the Urban and Community Forestry (UCF) Program Manager for the U.S. Forest Service’s Northern and Intermountain Regions, based in Ogden, UT. A key goal of the UCF Program is to bring nature’s benefits to people right where they live, learn, work, and play by fostering healthy and vibrant community forests. Amanda has served in this role since November 2016. Previously, she focused on technology transfer and science delivery at the USFS Northeastern Area State & Private Forestry headquarters in Newtown Square, PA, where she first joined the US Forest Service in 2013.

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Austin Troy
Austin Troy is Professor and Chair at the University of Colorado Denver in the Department of Urban and Regional Planning. Additionally, he is Principal and Co-founder of Spatial Informatics Group, LLC, a consulting company that works on complex environmental management challenges. His research addresses issues at the intersection of urban planning and environmental sustainability, with a particular focus on the role of green infrastructure in cities. He has written dozens of journal articles and is author of The Very Hungry City (Yale University Press, 2012), which looks at how cities consume energy, what makes some cities more efficient than others, and what rising global energy prices will mean for cities. Austin received his bachelor’s degree from Yale College, his Master of Forestry degree from Yale School of Forestry and Environmental Studies and his PhD in Environmental Science, Policy and Management from the University of California Berkeley.

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Dana Coelho
Dana Coelho is Director of the Metro Denver Nature Alliance. Dana previously served on the Metro DNA Steering Committee as a representative from the USFS, where she was Urban & Community Forestry Program Manager for the Rocky Mountain Region. In that capacity she worked alongside five state coordinators from CO, WY, SD, NE, and KS to build vibrant local community forestry programs; co-led the Western Urban & Community Forestry Network; helped found the Denver Urban Field Station, and actively participated in the National Urban Forest Technology & Science Delivery Team.

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Jay Diffendorfer
Jay Diffendorfer is a supervisory research ecologist at the Geosciences and Environmental Change Science Center, United States Geological Survey, working with a group of remote sensing scientists, geographers, and economists. He enjoys working on difficult, complex, and interdisciplinary problems and his work spans the nexus of energy and land change science, conservation biology, ecosystem services, and coupled human-natural systems. The author of over 100 articles and reports, and co-editor of The San Diego County Mammal Atlas, a definitive guide to 122 terrestrial and nearshore mammals, he has led interdisciplinary working groups at the USGS Powell Center and the National Institute for Mathematical and Biological Synthesis. Jay received a BS in Wildlife Biology from Ohio University and a Ph.D. in Ecology from the University of Kansas. He did postdoctoral research at the University of Miami, became a tenured faculty at San Diego State University, then worked at the Illinois Natural History Survey before settling at the United States Geological Survey.

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Sara Davis
Sara Davis is the program manager for the Office of the City Forester in the Denver Parks and Recreation Department as well as a council member for the National Urban and Community Forestry Advisory Council. An expert in urban forestry, she has been working for the City and County of Denver for over 14 years. Prior to that, she worked with the USDA Forest Service Center for Urban Forestry Research. Sara received her bachelor’s degree in Environmental Horticulture and Urban Forestry from the University of California, Davis.

headshot for Colleen Donovan

Colleen Donovan - Colleen Donovan is a social scientist with over 12 years of experience applying social science research in support of environment and natural resource economics, natural resource damage assessments, water resource economics, and climate change. She specializes in survey research design to develop innovative and creative ways to manage natural resources. She recently started working with the Denver Urban Field Station to help advance their efforts to undertake the Denver Stewardship Mapping project. She is also working with the Wildfire Research (WiRē) Team to help advance their efforts to implement systematic collection of parcel level wildfire risk and social data in wildland urban interface communities. Colleen holds a Bachelor’s degree in Environmental Studies and Environmental Biology from the University of Colorado at Boulder and a Master’s degree in Environmental Management from Duke University’s Nicholas School of the Environment.

Research leads

Most of our partner institutions have multiple participants. Below are individuals who serve as key points of contact between their institutions and DUFS.

  • Susan Daggett, Rocky Mountain Land Use Institute, University of Denver
  • Melissa McHale, CSU
  • Brian Muller, CU Boulder
  • Chris Hawkins, Nature Conservancy