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City of Milwaukee ECO Team

Erick 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.


Tim McCollow, HOME GR/OWN Project Manager
(414) 286-3748

Tim is the project manager for Milwaukee's HOME GR/OWN initiative. Tim comes to his work in community food systems through a non-traditional path. Trained as a zoologist & environmental/energy analyst, Tim spent over 2 decades managing natural gas purchasing and risk management for WE Energies prior to starting in the City’s Environmental Collaboration Office in 2010. As part of a City/CBO team, Tim created Mayor Tom Barrett’s HOME GR/OWN Initiative - which placed 6th in the 2013 Bloomberg Mayors Challenge out of 305 entries. HOME GR/OWN's pocket parks and orchards have won the MANDI Award for Best Public Space, a Mayor's Design Award and the SXSW ECO Place By Design international  design competition. Tim serves on the Board of Directors for the Milwaukee Food Council and the Cooperative Institute for Urban Agriculture & Nutrition.


Elizabeth 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.


Rose Buss, Energy Efficiency Program Manager
(414) 286-3351

Rose is the program manager for the City’s energy efficiency programs, including the Milwaukee Energy Efficiency (Me2) program for homeowners, the PACE financing program for businesses, and the Better Buildings Challenge. Rose received her undergraduate degree in International Relations with a concentration in Environment and Development from Boston University and holds a Master’s degree in Environmental Policy and Planning from the University of Michigan. Prior to joining ECO, Rose worked for the City of Ann Arbor on improving energy efficiency in rental housing and on connecting those working on sustainability across the state of Michigan through the Michigan Green Communities program. Rose is currently a member of the leadership committee for the Milwaukee Green Drinks group.



Nick Sinram photoNick Sinram, Management Trainee  414-286-8317

Nick is working and learning with ECO as a City of Milwaukee Management Trainee.  After studying Psychology, Political Science, and Public Administration at the University of Wisconsin at La Crosse, Nick earned his law degree from Marquette University Law School, specializing in Litigation, Alternative Dispute Resolution, and Negotiation.   Nick is assisting with ECO general administration and policy research.


Picture of Laura Jelich, Better Buildings Challenge Administrative SpecialistLaura Jelich, Better Buildings Challenge Project Specialist

Laura is a project specialist for the City's expanded Better Buildings Challenge program, focusing on marketing and event organization. Laura earned her bachelor's degree in Organizational & Professional Communication at the University of Wisconsin - La Crosse, where she also helped fulfill the La Crosse County Health Department's Farm2School program initiatives as part of her Nutrition minor. Since graduating, Laura has lived in Colorado creating website content and furthering the work of animal rescue and clean energy nonprofits, including Community for Sustainable Energy in Fort Collins, CO. Laura moved back to Milwaukee this past March and volunteers her time as communication chair for the newly launched Wisconsin expansion of Green Veterans.