Staff Members

Who We Are - Sustainability Team

Susie Strife, Sustainability Coordinator
sstrife@bouldercounty.org
303-441-4565

Susie leads the county’s Sustainability Initiative, providing direction on policies and program implementation for internal and external sustainability activities while managing planning efforts and budgets. She also serves as the key liaison to other county agencies to support existing projects and guide the county towards a more sustainable future. Susie received her PhD from the University of Colorado in 2009, and often teaches courses on sustainability, green design and environmental sociology.

Dave Hatchimonji, Residential Energy Efficiency Program Manager
dhatchimonji@bouldercounty.org
720-564-2721

Dave manages the residential EnergySmart service, which helps to make energy efficiency upgrades easier and more affordable for county residents, including designing and monitoring incentives and new financing products. Dave also serves as liaison to Xcel Energy and the Public Utilities Commission on energy efficiency issues and assists in the administration of the energy loan product. He began his tenure with Boulder County at Longs Peak Energy Conservation prior to coming to the Sustainability Office.

Lea Yancey, Community Sustainability and Energy Specialist
lyancey@bouldercounty.org
720-564-2723

Lea fosters partnerships with communities and organizations throughout Boulder County around a vision for sustainability. By working together, the intent is to achieve mutual goals, share lessons learned and leverage resources. Lea also leads employee engagement to reduce energy use and increase waste diversion in county facilities through education and collaborative projects.

Leigh Ratterman, Zero Waste Sustainability Specialist
lratterman@bouldercounty.org
720-564-2238

Leigh is responsible for the development and implementation of Boulder County’s Zero Waste Action Plan and works on a local and state level to help shape and create Zero Waste policy and planning. Leigh works as a liaison with communities and organizations throughout the county, and supports the work of the Resource Conservation Advisory Board.

Brad Smith, Sustainability Outreach and Education Specialist
bsmith@bouldercounty.org
720-564-2720

Brad manages Benefits Boulder County community discount programs that assist residents in reducing their greenhouse gas emissions through use of technologies such as electric bikes, electric cars, and rooftop solar. He also serves as the coordinator for the E Movement, a county-wide collective of school districts, schools, teachers, and third party environmental educators that work towards creating more continuity and access to environmental education. Brad also works on other special projects such as the Marijuana Energy Impact Offset Fund and statewide electric vehicle collaboration.

Tyler Kesler, Sustainability Specialist
tkesler@bouldercounty.org
720-564-2724

Tyler manages Boulder County’s residential and county facilities water conservation and efficiency programs. He supports the development and implementation of outreach and communication strategies to forward Boulder County’s sustainability goals, expand existing services, and promote community engagement while also maintaining BoulderCountySustainability.org and EnergySmartYES.com. Tyler received his MS in Environmental Policy & Management from the University of Denver.