Contact USDN

For more information about USDN or for questions about how you can join or work with the network, please contact Natalie Narotzky at

USDN Staff:

Nils Moe, USDN Managing Director

Nils Moe currently serves as the Managing Director of the Urban Sustainability Directors Network (USDN). In this role, Nils oversees the day-to-day operations of this rapidly evolving North American network of over 140 municipal sustainability directors representing more than 75 million people. Nils is an experienced, accomplished change agent with over 15 years of successful strategic business development, organizational leadership, and client building. Previously, he served as the Mayor’s Sustainability Advisor for the City of Berkeley, where he helped to implement Berkeley’s Climate Action Plan and worked with the city staff and the community to reduce their GHG emissions. He also has worked as a professor of Organizational Psychology at San Francisco State University, co–founded two values-driven non–profits, and worked in the private sector as a management consultant, specializing in program evaluation of non-profits and 360–degree feedback for Fortune 100 companies.

Garrett Fitzgerald, USDN Strategic Partnerships Advisor

Garrett Fitzgerald supports USDN in strategic planning, organizing collaborative activities, and engaging external partners to help USDN members advance their work. He is based in Washington DC. Garrett previously managed the Sustainable Oakland program from 2008 to 2013 for the City of Oakland, CA, and served as Programs Director for ICLEI USA. He is a board member of STAR Communities and co-chaired development of ICLEI’s Community-Scale Greenhouse Gas Emissions Reporting Protocol. Garrett holds a Master’s degree in Energy and Resources from the University of California, Berkeley, where he studied community sustainability performance management. He also previously served as a consultant to the City of Berkeley's Office of Energy and Sustainability, a renewable energy staff researcher at Lawrence Berkeley National Laboratory, and an energy efficiency programs analyst at ICF Consulting. He is a LEED accredited professional and a past Fellow and Leadership Grant Recipient of the Robert and Patricia Switzer Foundation. 

Johanna Partin, Carbon Neutral Cities Alliance Director

Prior to joining USDN in January 2015, Johanna served as North America Regional Director for the C40 Cities Climate Leadership Group. Prior to that, Johanna served as Senior Policy Advisor on Environment to San Francisco Mayors Gavin Newsom and Ed Lee, where she developed and implemented policy on sustainable energy, climate, transportation, green building, and other programs. She also served on the Board of the Bay Area Air Quality Management District and is a Faculty Member for the Climate Leadership Academy. She has a Master’s degree in Energy & Environmental Policy from the University of Delaware and a Bachelor’s degree in Environmental Studies and Anthropology from UC Santa Barbara.

Mia Luhtanen Arter, USDN Operations Director

Mia Arter is Operations Director for USDN, where she is responsible for implementing and tracking USDN activities to fulfill the network’s strategic plans, including providing program oversight, financial and organizational management, and other operational support, as well as staffing the USDN Peer Learning Exchange and 2016 USDN Building Diversity Fellowship. She has previously directed member information sharing and networking programs for USDN, including helping to build the network's exemplary peer-sharing website. She has also worked for The Chicago Council on Global Affairs, researching immigration, economics, and global agricultural development and supporting a fellowship program of emerging Chicago leaders. She  volunteers on the board of directors of the Luhtanen Howes Charitable Foundation and as president of the Friends of the W.J. Niederkorn Library. She received a B.A. from Loyola University Chicago in sociology and international studies and lives with her family in Port Washington, Wisconsin.

Natalie Narotzky, USDN Program and Communications Manager

Natalie Narotzky has worked with USDN since April 2013 and was promoted to Program and Communications Manager in 2017. She has become an experienced project manager, overseeing and directing internal and external communications modes, member data analysis, and programming, including user groups and network-wide calls. She received an M.S. in Climate Science and Policy from the Bard Center for Environmental Policy and a B.A. in Environmental and Urban Studies from Bard College in 2012. She has worked with Hudsonia Ltd., the Worldwatch Institute, Inform, and KM Networks. Natalie lives Berkshire County MA and volunteers locally on climate action work, including serving on the Board of Trustees for Better Future Project and on the Statewide Steering Team for 350Mass.

Peyton Siler Jones, USDN/CNCA Communications and Member Services Assistant 

Peyton Siler Jones joined USDN and CNCA in November 2016. Prior work experience includes serving as Political Associate for Cultivating Resilience and as Program Associate for the Intentional Endowments Network. She received her B.A. in Environmental Policy from Green Mountain College in 2015 and currently lives in Asheville, NC.

Erik Amundson, USDN/CNCA Administrative and Events Assistant

Erik Amundson joined USDN in January 2017. Erik plays a crucial role in supporting information exchange among members by delivering member services and providing support to other staff. Prior work experience includes Management of the University of Wisconsin - Eau Claire Student Office of Sustainability, where he oversaw an array of sustainability infrastructure programs. Erik received his B.A. in Business Administration in May 2016 and is currently based out of the Milwaukee, WI area.

USDN is a project of Global Philanthropy Partnership.