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Thank you to our SSI-3 CCW Organizing Committee

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Mark Reiner, CEO, WISRD (Co-Chair)

Mark received his PhD in Civil Engineering at the Urban Sustainable Infrastructure Engineering Program (USIEP) at the University of Colorado Denver in 2007. Mark has received the Wirth Chair Innovator in Sustainability Award (Jun 2013) from the University of Colorado Denver and the Award of Excellence in Analysis and Planning (Jun 2010) from ASLA. His latest two publications are: Integrating a City’s Existing Infrastructure Vulnerabilities and Carbon Footprint for Achieving City-Wide Sustainability and Resilience Goals and a chapter contribution to the Routledge Handbook of Sustainable and Resilient Infrastructure - The Infrastructure Decay Rate in US Cities: the Case for a Paradigm Shift in Information and Communication

Rich Horstmann

Rich Horstmann, P.E., ENV-SP, SSI-2 Co-Chair – BS Enviro. Eng., Colorado State U.; MSCE, U. of Colorado at Denver – 20 years with Colorado Dept. of Public Health and Environment – Water Resources Analysis, WQ Standards, WQ Permitting, Radionuclide Monitoring, 15 years with Colorado Dept. of Transportation – Utilities Coordination, Roadway Design, Transportation Project Management; Current - City of Aurora Public Works, Engineering Controls/Land Development Review; Metropolitan State University of Denver – Affiliate Faculty, Civil Engineering Technology; Member of ASCE and APWA Colorado Chapters.  


Julia Ferguson, Senior Associate, Lotus Engineering & Sustainability

Julia Ferguson has managed sustainability projects and programs for local governments and the non-profit sector for over 10 years. Julia brings a unique understanding of how to integrate sustainability into an organization’s daily practices and conversations to drive success. As a certified Project Management Professional, Julia is known for managing the development and implementation of complex sustainability projects that have reduced organizational costs and improved waste diversion metrics, led to increased renewable energy procurement, and created more efficient organizational processes. She specializes in innovative approaches to creating, measuring, and evaluating energy efficiency and renewable energy projects, and well as in the development and implementation of sustainability policy and process efficiency programs.

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Michelle Stephens, President, APA Colorado Chapter

Michelle leads the Technology and Innovation team at Ecology and Environment, inc.  where she is focused on supporting E & E's commitment to address the leading environmental challenges of our time.  She is a change agent who passionately believes in the role technology can play in improving our communities and our organizations. Over the last 18 years Michelle has held roles that range from city planner to international for-profit developer, including positions in Utah, Colorado, Oregon, and the United Arab Emirates. She is fluent in building, engineering, planning, and project management jargon and currently serves as the President for the Colorado Chapter of the American Planning Association.

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Michelle Stevens, Associate, Felsburg Holt & Ullevig

Michelle Stevens has been working in the transportation field of engineering since 1989.  She is currently with Felsburg Holt & Ullevig (FHU) where she provides expertise in transportation planning and design to both state and municipal clients. She also is involved in FHU’s sustainability efforts and initiated the sustainability committee at FHU. Her most recent projects include the WestConnect PEL involving several communities from Kipling to Marshall Road, Stephen D. Hogan Parkway New Arterial for Aurora from SH 30 to E-470, and improvements for Edwards along I-70G and US 6 


Since becoming a member of APWA in 2001, she has been active in the APWA Management Committee for the Colorado Chapter and served as chair from 2006 to 2009.  In addition, she volunteered at the 2011 APWA Congress held in Denver, Colorado.  She has served as an officer for the APWA Colorado Chapter from 2011 to 2015 and was President of APWA in 2016.  She helped lead the efforts for holding the first Annual Statewide APWA Conference, which is now in its sixth year.  She started the APWA Colorado Sustainability Committee and has assisted with the Sustainability Symposium since 2016.


Michelle graduated from the University of Florida with a BS in Civil Engineering in 1989.  She received her MBA from the University of Central Florida in 1999.  She enjoys international travel, hiking, skiing, and many water sports and recently sailed near Auckland. 

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Stephen Fisher, Ph.D., P.E., F.ASCE, Civil Engineer, Tetra Tech (Co-Chair and Symposium Emcee)

Mr. Fisher has worked in civil and environmental engineering, infrastructure planning, land development, and international community development for over 25 years. He is a member and chair of ASCE’s Committee on Sustainability and the Colorado Section Sustainability Committee, respectively. His doctorate program in sustainable urban infrastructure gave him an appreciation of sustainability from engineering, policy, planning, and social perspectives. He pursued GRI and ENV SP certifications and has organized and led sustainability workshops and presentations. He has authored a dozen journal articles and book chapters on a range of sustainability topics including agriculture, life cycle assessment, innovations in sustainable cities planning, and sustainable development.


Phone: 303-312-8849

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Rocky Piro, Executive Director of the Colorado Center for Sustainable Urbanism at University of Colorado Denver

Dr. Rocky Piro is currently Executive Director of the Colorado Center for Sustainable Urbanism.  He serves on the Board of Directors for the International Environment and Urban Planning Association and is past chair of the Regional and Intergovernmental Planning Division of the American Planning Association.  He served as Executive Director of the Community Planning and Development Department in the City and County of Denver, as Program Manager for the Growth Management Department at the Puget Sound Regional Council in Seattle, and as Manager of the Intergovernmental Planning Team for King County, Washington.  He is a member of the American Institute of Certified Planners Exam Committee that prepares the qualifying exam for planners seeking professional certification.


Dr. Piro is the recipient of the Myer Wolfe Award for Excellence in Planning and was inducted into the College of Fellows of the American Institute of Certified Planners in 2010.  He has presented at numerous U.S. conferences and symposiums, as well as at venues overseas, including in the Netherlands, South Africa, Great Britain, Germany, Australia, and Portugal.  He received his Ph.D. in Urban Design and Planning from the University of Washington and his Master’s from the University of Colorado at Denver.   He advocates for sustainability, social equity and environmental justice, collaborative planning, and healthy built environments. 


Critter Thompson, Director, Critter Thompson Consulting

With a background in environmental science, sustainable urban design and over 15 years experience integrating science with the built environment, Critter Thompson applies a keen understanding of how human and natural systems interact to shape the places in which we live and work. As a Systems Ecologist at Mithun, a leader in sustainable design, Critter was involved in nationally recognized projects aimed at solving issues of energy and climate, water use and waste reduction, urban agriculture and ecosystem services.


Following this work Critter joined the University of Washington’s College of Built Environments as the research director of an effort to develop visualization and analysis tools that promote more sustainable development of our cities and regions. Most recently, Critter was part of the team at PlaceMatters, a non-profit organization dedicated to helping communities find creative local solutions for thriving, equitable, and resilient places. As founder of Critter Thompson Consulting, Critter is advancing this work with a focus on creating healthy, resilient urban communities that are people-focused, ecologically diverse and resource-efficient. 

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Noelle Beegle, Project Manager, Alfred  Benesch & Company

Noelle Beegle is a graduate of CU Boulder, twice. Her first degree was in environmental studies and she has kept those principles throughout her civil engineering career. She has been working as a consultant in the water resources engineering field for over 20 years.


She is the APWA Colorado Chapter Sustainability Committee Chair. She has worked with other committee members to grow the group by recruiting speakers for happy hours. She believes that by starting the dialog and getting different perspectives, public works professionals can lead sustainability efforts for the cities and counties we want.

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