Maria Brodine

Maria Brodine

Based in New Orleans, LA, Maria Brodine is the Water Program Specialist at Groundwork USA and co-coordinator of the Urban Waters Learning Network in partnership with River Network. Originally from the Southwest, she earned her B.A. in English and Anthropology from San Diego State University, then went on to obtain her M.A. in Anthropology and Education at Columbia University. After moving to New Orleans to study the history of water management practices, she became involved in doing applied work through Groundwork New Orleans, where she led and supported program and staff development, designed and implemented an interdisciplinary research program, and secured a variety of funding sources to expand organizational capacity. As Water Program Specialist and UWLN co-coordinator, she conducts research and analysis, writes and edits Impact Stories and Network Blog posts, provides direct technical assistance, connects urban waters practitioners, and supports environmental justice programs and discussions. Email


Renée Mazurek

Renée Mazurek is a geologist, educator and writer, with a BS in geology from the University of Pittsburgh and a MS in geology from East Carolina University. She lives in Asheville, NC. For the Urban Waters Learning Network, she performs project research and communicates with project leaders to write impact stories, blogs and coordinate webinars. She also supports public outreach and helps manage the Urban Waters online community. In addition, Renée has a background teaching geology and environmental geology at the college-level. With over 10 years’ experience teaching about the earth, Renée is committed to educating the public about the environment and environmental solutions. Email:



Aditya Nochur

As Deputy Director of Capacity Building for Groundwork USA, Adi Nochur supports the organization’s brownfields technical assistance efforts and co-coordinates the Urban Waters Learning Network in partnership with River Network. Prior to coming to Groundwork USA, Adi worked as a Project Manager at WalkBoston and as an Eco-Innovation Associate at the Codman Square Neighborhood Development Corporation. He has also spent over a decade in the movement for climate justice, where his work with 1Sky and various youth organizations has taken him from college campuses in New England to campaign initiatives in Washington, D.C. to United Nations negotiations in Canada and Mexico. A Boston-area native and resident, Adi was first inspired to environmental activism at a young age by his uncle in India. Adi holds a Master in City Planning from MIT and a Bachelor of Science in Environmental Studies and Biology from Tufts University. A longtime guitarist and spoken word artist, he performs cross-cultural music and poetry with his original project Solaradicals. Based out of Groundwork Lawrence’s offices in Massachusetts, he is also an avid bicyclist and a diehard Boston Bruins fan. Email


Diana Toledo

diana pixAs Leadership Development Director for River Network, Diana Toledo serves as a co-coordinator of the EPA Urban Waters Learning Network, along with partner organization, Groundwork USA, and co-founded the UWLN with Ann-Marie Mitroff. At River Network, Diana is responsible for developing and delivering training and consulting services so that leaders, organizations and coalitions working for freshwater protection are strong, effective and results-oriented. In that role, she provides support in the areas of strategic and campaign planning, project development, fundraising, board and staff development, and coalition building. Diana has over 20 years’ experience in river conservation and community organizing. Prior to joining River Network in 2006, Diana helped build one of the strongest networks of local watershed groups in the country through her work with the River Alliance of Wisconsin, and led various Great Lakes policy and funding initiatives while at the Wisconsin Coastal Management Program. Diana has a MS in Water Resources Management from the Nelson Institute for Environmental Studies (University of Wisconsin – Madison) and a BS from Indiana University – Bloomington. She is based out of Asheville, NC. Email:


Co-founder and UWLN Alum


Ann-Marie Mitroff

Now an Alum of Groundwork USA and the Urban Waters Learning Network, Ann-Marie Mitroff served as a co-coordinator of the UWLN with partner organization, River Network. Using her 20+ years of on-the-ground experience in managing conservation and river projects in urban areas, she still provides guidance and program perspectives to urban waters practitioners across the country including local Groundwork Trusts through the Urban Waters Learning Network. For over a decade, she’s been responsible for implementing river restoration efforts including tree planting and invasives management, water quality and fish studies, wetland reviews, municipal stormwater/green infrastructure projects, and river clean-ups. She coordinated the City of Yonkers’ habitat plan and community engagement process on the 8-year Saw Mill River Daylighting project, completed in 2012. Prior to joining Groundwork, she developed and managed water and energy conservation programs for public and private utilities in Santa Cruz and San Jose California; Washington, DC; and Seattle. Ann-Marie has an MPA from Seattle University and a BA from the University of Washington. She is based in Yonkers, NY.