Teri Brezner

Program Manager for Diversity, Equity and Inclusion Initiatives

Teri has 10 years of experience in developing and training diverse leaders and communities to facilitate behavior and social change. She holds a Masters in Adult Learning and Global Change from the University of British Columbia with a specialization in intercultural training. 

Teri has designed and facilitated leadership development trainings for hundreds of social change leaders in the US and abroad, working for organizations that include Peace Corps, Phelps Stokes, 2Seeds, Management Sciences for Health, Rare and the International Fund for Animal Welfare. 

Teri is a fierce advocate for social justice and supports social change movements that envision and demand a more sustainable future.  Teri uses participatory methods and dialogue education to create inclusive spaces and to support individuals and communities to realize their dreams. She is passionate about developing the skills, network and opportunities for diverse emerging leaders to transform themselves, their communities and the social change sector.

Teri is originally from Toronto and has been based in Arlington, Virginia for the last 10 years

Michael Gagné

Regional Programs Manager

Michael Gagné coordinates recruitment and ongoing training development for ELP's regional fellowship programs. With a background in facilitation, social action training, and grassroots organizing, Michael is also a graduate of the Green Corps school for environmental leadership.  He has worked on a range of environmental and social justice campaigns - including issues of food politics, water issues, international trade, climate justice, and more. In 2009, Michael helped launch the Earth Quaker Action Team and its campaign to stop mountaintop removal coal mining in Appalachia. Michael has a passion for popular education and has been a guest educator and speaker in a wide range of contexts - including conferences, universities, faith communities, and more. He regularly facilitates strategic planning, campaign development, and direct action training. Michael is originally from Montreal, Canada. For the last decade, he and his family have been based in Philadelphia, PA. Currently, he also serves as a Teaching Fellow for Marshall Ganz at the Harvard Kennedy School of Executive Education. 

Errol Mazursky

Executive Director

Errol manages the day-to-day operations of ELP in addition to the recruitment and selection process of ELP's regional networks, oversees the development and planning of fellowship programming and supports ELP's national network of over 900 Senior Fellows. Previously, Errol was a public health fellow at the U.S. Environmental Protection Agency where he worked on community outreach programs and the development of international cohort studies to investigate the environment's impact on children's health and development. Errol served in the U.S. Peace Corps as a health volunteer in The Gambia, West Africa and was a Crisis Corps Volunteer in New Orleans, LA where he contributed to the response effort of Hurricane Katrina. Errol currently serves on the Board of the Emerging Wildlife Conservation Leaders Program, and the Board of Impact by Design, he is a former Board Director of Greenbelt Homes Inc., and the Greenbelt Development Corporation. In 2011 Errol was awarded a TogetherGreen Fellowship in recognition of his expertise in leadership and network weaving and in 2013 received an Emerging Leader Grant from the Claneil Foundation.

Jenna Ringelheim

Deputy Director

Jenna manages various components of ELP's programs on a national scale, including the recruitment and selection of Fellows, curriculum development, retreat center logistics, the expansion of ELP's community of leadership practitioners, and the development of lifelong learning opportunities for ELP's Senior Fellow community.  Jenna has 15 years of experience working with environmental non-profits in leadership positions, including The Northwest Earth Institute, Wild Gift, The Trust for Public Land, and the Nature Conservancy. Jenna has a BA in Environmental Studies and Anthropology from Skidmore College, an MA in Urban and Environmental Policy and Planning from Tufts University, and an MBA in Sustainable Systems from Pinchot University. Jenna is both a Wild Gift Fellow and a Senior Fellow of the Environmental Leadership Program. Jenna has contributed to a variety of magazines and published her first book in 2008, entitled "Best Hikes with Dogs, Boston and Beyond.” She currently resides in Portland, Oregon.