Awards and Recognitions

What We Do


Our 10th Year Anniversary


Partners and Supporters

Founding Principles

Annual Reports




Tahai Addae, Development Associateis a 2011 graduate of Manhattanville College.  She worked as a Program Coordinator and Office Manager at BCAGlobal and CV Skinlabs. There she gained fundraising, marketing, event planning experience as well as numerous technical skills. At the Alliance Tahai focuses on our membership program, individual giving and event management.

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Penny Brown, Conservation Crew Leader,
supports the Conservation Manager in supervising crew members, trainees, and volunteers. She joined the Conservation Crew in 2003 and has since worked her way up into ever increasing levels of work responsibility. In addition to overseeing and participating in the work of the Bronx River Conservation Crew, she conducts and records data for fish and plant monitoring projects, teaches water quality monitoring methods, instructs trainees and promotes a productive learning environment, and is skilled in the use and maintenance of crew equipment.

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Jose Santiago, Conservation Crew Member, joined the Bronx River Alliance as an Apprentice at the beginning of 2013 and was hired as a full-time Crew Member at the end of the year due to extraordinary enthusiasm and energy for the work of restoration the Bronx River.

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Nick Martinez, Conservation Crew Member, joined the Bronx River Alliance as a seasonal crew member through the Alliance's Apprentice Program, and after, he was hired as a full-time Crew Member in December of 2016.    

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Elaine Feliciano, Conservation Crew Leader, a Certified Master Gardener, is one of two Leaders of the Bronx River Conservation Crew supporting the Conservation Manager in supervising crew members, trainees, and volunteers. She joined the Conservation Crew in 2003 and has since worked her way up into ever increasing levels of work responsibility. In addition to helping to plan and implement the Crew’s projects, she compiles data, supports and helps coordinate community education projects, and interacts with the public. She was featured in a recent documentary screened at the Biodiversity Hall at the American Museum of Natural History.

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Maggie Scott Greenfield, Executive Director/ Bronx River Administrator, Ms. Greenfield joined the Alliance in 2005 and previously served Deputy Director from 2010 to 2017 and has worked closely with NYC Parks. She is an urban planner and environmental scientist who comes to the Bronx River Alliance from the federal transportation sector where she specialized in environmental planning. Ms. Greenfield earned a BS in Public Health/Environmental Science with Highest Honors from UNC at Chapel Hill and a Masters in City Planning from MIT.  

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Julia Apland Hitz, Manager of Institutional Giving, comes to the Alliance after a varied career in fund raising/development and communications, with over 10 years experience in government, foundation and corporate grant writing. Most recently she was Communications Manager for the Columbia Water Center, part of Columbia University's Earth Institute, seeking solutions to global water problems. Prior to that Julia was the Development Officer for Columbia's Community Impact program. A lover of nature and avid gardener, Julia holds Masters Degrees in Urban Planning and Latin American Studies from UCLA, and has lived in Costa Rica and Scotland.

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Claudia Ibaven, Director of Programs, joined the Bronx River Alliance in 2013 as the Greenway Coordinator. Claudia brings prior work experience developing participatory plans with government agencies, community boards, and private developers at an urban planning and landscape design firm in Mexico. She also worked for two years as an Environmental Studies Instructor in NYC. She holds an MS in Urban Environmental Systems Management from the Pratt Institute and a BA in Architecture with a Minor in Urban Design from the ITESM Monterrey Institute of Technology in Mexico.

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Kathalene (Katie) Lamboy, Education Coordinator, returned to the Alliance in 2014 after a previous stint as an Education Intern in 2011, just after graduating from SUNY Maritime College with a major in Marine Environmental Science and a minor in Marine Biology. In the interim, Katie was an Exhibit Guide and Administrative Assistant at the Bronx Children's Museum. Katie worked with children ages 4-9, teaching them about the environment, promoting community stewardship and developing environmental programming. In addition, she worked as a Group Leader at Phipps Community Development with students in grades 6-8.

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Toniann German, Jr. Recreation Coordinator, has an associate’s degree in early childhood education from BMCC and will be graduating in the fall from City College with a bachelors in education. Toniann has been working on the restoration of the Bronx River since 2006 when she joined Rocking the Boat. Through Rocking the Boat, she grew a love for the environment and The Bronx River. In 2015 Toniann led the community rowing program as coordinator. Toniann has also acted as a pre-school teacher for Brightside Academy. "The Bronx River Alliance provided me with an opportunity to get back on the river and into the field of environmental science while still allowing me to pursue my passion of teaching."

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Erica Lewis, Administrative Assistant, joined the Alliance through the Parks Department's JTP (Job Training Position) Program in 2015.

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Michelle Luebke, Ecology Director, has over ten years of experience leading adults and school groups through creeks and natural areas, managing ecological monitoring programs, and teaching about environmental science and sustainability. She holds advanced degrees from the University of Georgia in Geography (emphasis in fluvial geomorphology) and Conservation Ecology & Sustainable Development and from New York University in Environmental Conservation Education.

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Michael Mendez, Conservation Manager, has been a member of the Bronx River Conservation Crew since 2004. In addition to supervising and implementing the work of the Conservation Crew, he is a water quality monitoring Site Leader and collaborates with the New York City Department of Parks & Recreation to help manage the Bronx River and Greenway.

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Joseph Sanchez, Outreach Manager, has seven years' experience working with NYC Parks as the Catalyst and Outreach Coordinator for Parks. During this time he worked on a wide range of projects such as tree care initiatives in the Morrisania section of the Bronx, coordinating local volunteers in diverse Brooklyn neighborhoods, and leading the "Re-Open the High Bridge" campaign in the West Bronx and Northern Manhattan. With his passion for social justice and public service, Joseph earned a Master’s degree in Non-Profit Management and Community Development from Hunter College.

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Anna Weshner-Dunning, Outdoor Educator, recently graduated from New York University with a M.A. in Environmental Conservation Education. Her experience working for AmeriCorps, as a marine science and sailing instructor, led to her passion in environmental education. She has always loved marine science and the outdoors, and is pleased to join the Bronx River Alliance, helping to give students hands-on learning experiences.

Contact: 718-430-4614

Maria Sawyer, Director of Finance and Administration, fulfills financial record keeping and reporting in coordination with a consulting comptroller, manages the administration of human resource systems, and ensures a well-equipped and maintained office. She inputs and manages accounts, prepares financial reports, participates in the preparation and monitoring of budget and funder reporting, and serves as liaison with the comptroller and auditor. In addition she elicits, evaluates and negotiates vendor bids and contracts, serves as benefits administrator, maintains personnel files and human resource record keeping, and coordinates with Parks and Alliance staff to ensure the office has needed equipment and supplies. Maria has a BA (Cum Laude) in Business Administration from Monroe College.

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