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City of Milwaukee ECO Team

City of Milwaukee Sustainability Director Erick ShambargerErick Shambarger, Director
(414) 286-8556

Erick Shambarger is the Director of Environmental Sustainability at the City of Milwaukee, where he leads the Environmental Collaboration Office (ECO).  ECO was created by Mayor Tom Barrett to develop practical solutions that benefit Milwaukee’s environment and economy. Mr. Shambarger developed the Milwaukee Energy Efficiency (Me2) program and PACE financing program.  He developed Milwaukee Better Buildings Challenge program, chaired the City’s Energy Reduction Team to reduce energy use across City operations, and promotes innovative storm water management practices and green infrastructure. He oversees implementation of ECO programs and the ReFresh Milwaukee sustainability plan. He also leads ECO's involvement in national and global partnerships.  Prior to his current role, he served as Deputy Director of ECO for 5 years, and as City Economist in the Budget and Management Division before that.  He holds a Masters of Public Affairs degree from the University of Wisconsin and certificates in Water Technology and Energy Analysis and Policy.


City of Milwaukee Environmental Sustainability Program Coordinator Elizabeth HittmanElizabeth Hittman, Environmental Sustainability Program Coordinator
(414) 286-5593

Elizabeth directs ECO’s solar program, Milwaukee Shines, and is working to make it easier for home and business owners in Milwaukee to install solar. Elizabeth also works on green infrastructure and sustainable water projects with the goal of establishing Milwaukee as America’s Water-Centric City.  Elizabeth received her undergraduate degree in Natural Resource Management from UW-Stevens Point and a master's degree from UW-Milwaukee in Urban Geography. Prior to joining ECO, Elizabeth served as the Executive Director for the Wisconsin chapter of the U.S. Green Building Council. In 2011 she joined the Midwest Renewable Energy Association as the Director of their Milwaukee office and worked on three U.S. Department of Energy grants expanding solar training across the Midwest and reducing the soft costs of solar.  Elizabeth serves on the Board of Directors of the Milwaukee Environmental Consortium, the Midwest Renewable Energy Association and the UW-Milwaukee School of Freshwater Sciences Professional Master’s Advisory Board. She was recently named to Midwest Energy New's 40 under 40 list.


City of Milwaukee Environmental Policy Analyst Matt DonathMatt Donath, Environmental Policy Analyst 
(414) 286-3351

Matt directs Milwaukee’s energy efficiency programs and initiatives including the Better Buildings Challenge, Me2, and PACE financing program for commercial buildings. He also coordinates the City’s Energy Reduction Team, working with other departments and facilities staff to reduce energy use from City operations and buildings. Prior to joining the ECO team, Matt worked in the Department of Administration where he partnered with ECO to help complete several projects. Matt received his Bachelor of Science degree from UW-La Crosse and is completing his Master’s in Public Administration from UW-Milwaukee.


City of Milwaukee Water Centric City Program Assistant Erin KeleskeErin Keleske, Water Centric City Program Assistant  
(414) 286-8317

Erin works to make Milwaukee a Water Centric City through green infrastructure and reducing the City's consumption of single-use plastics. Erin received her Bachelor's degree from Kenyon College in Biology and Environmental Studies. While at Kenyon, Erin interned in the Office of Green Initiative where her work led to the installation of a solar thermal array, a commitment to LEED Gold Certification, a Green Revolving Fund, and the first steps towards Carbon Neutrality. She was nationally recognized as recipient of the Charles J. Ping Student Service Award from Campus Compact for her work organizing conservation service events. Erin also served as President of the Environmental Campus Organization, Manager of the Brown Family Environmental Center, and worked in a statistical macroecology lab conducting research on climate change over the last 65 million years.