Meet Our Team
ICLEI USA is staffed by experienced leaders and climate and resilience specialists committed to your success.
Angie joined ICLEI USA in 2014 as the Director of Resource Efficiency and Renewable Energy. She was promoted to Executive Director on January 1, 2016 and as such is a member of ICLEI’s global senior management team.
Since 1990, ICLEI has built and served a movement of local governments pursuing deep reductions in carbon pollution and tangible improvements in sustainability and resilience. ICLEI is the world’s leading network of over 1,500 cities, towns and metropolises, providing hands-on assistance with technical experts located in 17 global offices.
Angie’s strategic vision for the organization is to create exceptional value for ICLEI local government members, partners, and funders by harnessing the power of the ICLEI network and to build on ICLEI’s unique global role as the focal point for local governments in the United Nations Framework Convention on Climate Change (UNFCCC).
With a focus on climate finance and the implementation of the Paris Agreement, she aims to weave health and equity considerations into ICLEI USA offerings based on her interest in human-centered design.
Angie’s previous experience includes serving as the Associate Director of the Colorado Governor’s Energy Office, where she was part of the team to develop and implement 57 pieces of clean energy legislation under Governor Bill Ritter, as the executive director of the U.S. Green Building Council Colorado Chapter, and as a Real Estate Product Manager of global corporate relocation services firm.
Angelica provides technical assistance to local governments on community resilience and climate adaptation planning. She also supports ICLEI members taking part in the Race to Resilience campaign and the Circle Lab for Cities project.
Angelica started her career at ICLEI as a student assistant with the ICLEI World Secretariat office in Bonn, Germany, where she supported the Circular Development team’s work on the Circular City Actions Framework and the Circular Turku Roadmap Toward Resource Wisdom. Before joining ICLEI USA, Angelica helped design and execute environmental risk assessments for the Vulnerability Assessment, Risk Management & Adaptive Planning (VARMAP) section of the United Nations University.
Angelica holds a bachelor’s degree in Geography from Colgate University and a master’s degree in Geography of Environmental Risk and Human Security from the United Nations University and the University of Bonn. She wrote her master’s thesis on green infrastructure planning in U.S. cities.
Knowledge Management Officer
As the Knowledge Management Officer, Anna Tiajoloff serves as the connective link between ICLEI USA and its members. She develops and updates member resources, and engages with members by conducting member specific research as requested. Anna contributes to the success of ICLEI network through peer learning and resource sharing by creating a knowledge infrastructure to develop, capture, and share ICLEI best practices.
Prior to joining ICLEI in 2020 as the Program Associate, Anna received her Bachelor’s degree from Skidmore College in Environmental Studies, concentrating on the intersection between human rights and environmental sustainability with a minor in Fine Arts. She studied coastal ecology and natural resource management in Zanzibar, Tanzania researching the social and environmental impacts of salt and seaweed farming on women in the Zanzibar Archipelago. For her bachelor’s capstone thesis, she assessed Skidmore College’s pollinator sustainability and evaluated the logistical, economic, and environmental feasibility of adopting pollinator initiatives and designation.
Anne Marie Cleary Rauker
Anne Marie Cleary Rauker joined the ICLEI USA team as the Communications Officer in 2021. As the Communications Officer, Anne Marie informs ICLEI network, partners, and the public about ICLEI services, achievements, and opportunities. She collaborates and supports over 300 ICLEI USA members with climate and sustainability communications and outreach. Anne Marie works closely with the technical team to develop content for local government sustainability and climate staff.
Anne Marie received her bachelor’s degree in ACS-certified Chemistry in 2019 from Colorado State University in Fort Collins, Colorado where they worked in the Atmospheric Lab and is a co-author on peer-reviewed articles featured in Proceedings of the National Academy of Sciences of the United States of America, Atmospheric Chemistry and Physics, and Geophysical Research Letters. Passionate about Climate Action Plans and science communications, they attended Indiana University-Bloomington and received Masters in Public Affairs and Environmental Science with a specialized concentration in science policy and communications, graduating in late 2020. When she isn’t in the virtual office, they love to spend time exploring Colorado trails with her rescue dog, Lily Pad.
Calyn Hart joined ICLEI USA in 2018 as a Program Associate, supporting the Statewide Energy Efficiency Collaborative (SEEC), and currently serves as a Program Officer to support local governments in the pacific northwest and southwest regions. Calyn provides technical assistance to local governments for greenhouse gas inventorying, forecasting, climate action planning and monitoring using the ClearPath tool and the Land Emissions And Removals Navigator (LEARN) tool. Calyn also supports communities implementing nature based solutions, increasing biodiversity and incorporating climate equity throughout the climate action planning process.
Calyn received her bachelor’s degree in Environmental Business and a minor in Biology in 2017 from the University of Redlands in Southern California. After graduating, Calyn joined the CivicSpark Fellowship program to support the City of Santa Clara’s climate action goals. While supporting the City of Santa Clara, Calyn updated the City’s LGO and Community- wide GHG inventories, produced the City’s Climate Action Plan Annual Report, provided the framework for a Transportation Demand Management Plan, implemented the City’s Pilot Residential Food Scraps Recycling Program and the County’s Green Business Certification Program.
Senior Program Officer
Eli Yewdall is a Senior Program Officer developing resources to help local governments measure, manage and reduce greenhouse gas emissions. Eli supports ongoing development of ICLEI USA’s protocols, tools, and guidance and training materials in the areas of greenhouse gas inventories, forecasting, and climate action planning. Eli also leads ICLEI’s work engaging local governments in the development process for improved building energy codes.
Before joining ICLEI, Eli worked for two years as a full-time volunteer with St Joseph’s House of Hospitality in Rochester, NY to provide meals and shelter to and advocate on behalf of homeless individuals. Eli has also produced educational materials on climate change for the Environmental Justice and Climate Change Initiative. Eli has a Masters in Energy and Resources from the University of California, Berkeley, and a BS from Gonzaga University.
Hannah completed her undergraduate degree in 2018 at the University of Wisconsin- Oshkosh, where she earned her Bachelor’s of Science in Environmental Studies, specializing in Environmental Science with a minor in Biology. In that time, Hannah consulted with the City of Oshkosh, WI, on their Stormwater Management plan. After undergrad, Hannah decided to pursue a Master’s of the Environment from CU-Boulder, specializing in Urban Resilience and Sustainability. During her time at CU, Hannah supported the City and County of Boulder, City, and County of Broomfield, and the City of Lafayette with multiple sustainability-related projects such as the development of GHG Emissions Reduction Plan for Broomfield, CO, and addressed equity concerns focused around indoor and outdoor air quality for Boulder, CO.
Zero Carbon Cities Advisor
Josh is a sustainability and decarbonization consultant and educator working across the clean energy and built environment spectrum. He is currently working with ICLEI USA as a Zero Carbon Cities advisor, supporting the Race to Zero campaign.
Josh is also the Renewable and Sustainable Energy Specialization lead within the Masters of the Environment (MENV) program at CU Boulder as where he teaches and advises. He also works an as an independent consultant on various district scale sustainable development projects with a focus on electrification, distributed energy, and grid interactivity.
He was recently the head of WSP’s Built Ecology practice and has worked on a range of horizontal and vertical sustainable buildings and infrastructure projects across the US and internationally, pursuing high level sustainability goals such as Net Zero Energy and Carbon, WELL, and LEED certification. Josh was a co-founder of the sustainability group YR&G, was a co-founder of the advocacy group GreenHomeNYC. He was co-chair of the ULI Colorado Healthy Places Committee and is a LEED Fellow. He holds Masters’ degrees in Mechanical and Electrical Engineering from the Royal Institute of Technology in Stockholm and Columbia University in New York.
Senior Program Officer
Kale joined the ICLEI USA team in 2016 to provide technical assistance to ICLEI members on greenhouse gas emission inventories, sustainability and climate action planning, and to develop climate vulnerability assessments. Since 2018, he has worked as network coordinator and communications lead while serving as a U.S. local government liaison to the United Nations.
Before joining ICLEI USA, Kale worked with the United Nations Development Programme’s Climate Change Adaptation Team from the Bangkok Regional Hub. He supported countries throughout the Asia-Pacific region to develop proposals aimed at unlocking climate finance for adaptation projects. Kale also is a former editor of Mother Earth News, North America’s largest sustainable living magazine, where he coordinated climate and energy content. From 2010 to 2012, he served as a U.S. Peace Corps volunteer in rural Thailand, where he worked on a project with the Thai Ministry of Energy to build home-scale biogas digesters and initiate carbon accounting in community forests. Kale received an M.S. in Climate Science and Policy from the Bard Center for Environmental Policy and a B.S. in Environmental Science from Humboldt State University.
Matthew Katz joined ICLEI USA in 2019 as a Graduate Fellow providing technical assistance for Colorado regional climate action efforts and the American Cities Climate Challenge. As a Program Associate, Matthew provides technical assistance to ICLEI members on GHG inventory and emissions forecasting using the ClearPath tool. Additionally, he assists in developing an ICLEI-led Americorps service program in which members will collaborate with Colorado local and regional governments to advance climate, resilience, and sustainability initiatives.
Matthew received his Bachelor’s Degree in Sustainability Studies and a minor in Geography and Geographic Information Science from the University of Illinois at Urbana-Champaign. After, Matthew received a Master of Science in Environmental Policy and Management from the University of Denver.
Senior Program Officer
Tom Herrod provides technical assistance to ICLEI USA members specializing in low-emissions development, circular development, and nature-based development.
Tom Herrod joined ICLEI USA after 10 years working for the City & County of Denver’s Climate Action Team. As a Climate Policy Analyst, Tom worked to update Denver’s greenhouse gas inventory to be GPC- and CRF-compliant. Under Tom’s guidance, Denver received Global Covenant of Mayors Compliant Status as well as a Leadership ranking from CDP. Using GHG data, Tom successfully brought a number of initiatives to Denver, including the City Energy Project, while also managing Denver’s Energy Efficiency & Community Block Grant Program. Most recently, Tom led Denver’s 80×50 Climate Goal Stakeholder and Community Input Process, leading to a number of interim goals, targets, and strategies to achieve Denver’s Climate Goals.
Tom has over 20 years of experience working in local, state, tribal, and federal environmental programs, including 5 years with the U.S. Environmental Protection Agency’s Office of Inspector General. Tom received his bachelor’s degree in Natural Resources from the University of Nebraska, and a master’s degree in Environmental Policy & Management from the University of Denver. Tom also completed doctoral research in Aquatic Resources at Texas State University.
Tom’s other interests include applying wetland restoration and regenerative agriculture practices at a family ranch in western Nebraska.