Board of Directors




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Neal Zimmermann began his involvement with the Conservancy in 1999, as a volunteer pro bono attorney for the organization. He later joined the board in March 2007, and has served as Co-Chair of the Board since September 2011.  He is an attorney with the law firm of Waters, McPherson, McNeill, P.C., in Secaucus, NJ, where he practices land use and redevelopment law. Neal has undergraduate and law degrees from Georgetown University and lives in Montclair, NJ with his wife, Cecilia.




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Frank Adamo joined the Conservancy’s Board in July 2010 and serves as Co-Chair.  Frank is retired from Prudential Financial where he was Vice President, Securities Trade Monitoring and Regulatory Filings.  He is passionate for the Conservancy’s mission, and its many accomplishments in the local community.  Frank lives in Fort Lee, New Jersey with his wife Judy and they periodically travel to European and Latin American destinations.  Frank holds a B.S in Business Administration from Ricker College.





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Mark W. Gordon joined the Board of Greater Newark Conservancy in 1994 and serves as Vice Chair.  Mark is currently Principal of Urbana Consulting, LLC, with prior experience heading Real Estate & Economic Development at NJ Transit and working at OMB and the U.S. Senate in Washington.  Mark lives in Maplewood, New Jersey with his wife.  He has spearheaded the renovation and adaptive reuse of the Conservancy’s historic house of worship.  Mark holds a B.A. from Reed College and an M.B.A from Harvard Business School.




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David Rosenberg, Treasurer, joined Greater Newark Conservancy’s Board in 2015.  He is currently Vice President of Finance at Horizon Blue Cross Blue Shield of New Jersey and lives in Berkeley Heights, New Jersey with his wife and sons. David cares deeply about healthcare and the environment.  He holds a B.B.A from Emory University, and an M.B.A from Northeastern University. 




Board Secretary, Karen Wexler has served on the Conservancy’s board since November 2017. Having grown up in Manhattan, she cultivated her love for nature and green spaces in Inwood Hill park (across the street from her apartment), at her family’s summer house in Rockaway, NJ, and through spending time on a kibbutz in Israel and in Ithaca, NY. Karen worked as a research scientist and in marketing and public relations at a DNA testing company, and in pharmaceutical advertising as an account manager, copywriter, and editor. She lives in Basking Ridge, NJ with her husband and daughter. Karen holds a B.S. in microbiology from Cornell University.




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Samuel M. Convissor is a Master Gardner who joined the Greater Newark Conservancy Board in 2006. A Newark native, he graduated from Central High School and received degrees from Fairleigh Dickinson University, Rutherford, graduating with a Master’s Degree in Communications with emphasis in Public Policy and Municipal Public Relations.  Sam has worked with several major corporations including, Vice President Corporate Affairs at RCA and VP Government Relations, Mutual Benefit Life in Newark. Sam was a Technical Consultant with the US Community Relations Service, after the racial disturbances in the early sixties. Prior to joining the Federal Service, Sam was an Administrative Assistant to Newark’s Mayor in 1961-1962.



Janette Filbert

Janette Filbert Spiezio joined Greater Newark Conservancy’s Board in 2015. She is an entrepreneur, maker and owner of Sustainable Haus, a zero waste, plastic-free and non-toxic home goods business.  She is a public speaker, educator and environmentalist. She also serves on the Green Team in the Westfield, NJ where she lives with her husband and two daughters. As a first generation American, she values diverse perspectives and is passionate about the environment and social justice.  Janette is retired from Prudential Financial and holds a B.A. from the University of Massachusetts, Amherst.



David B. Grantz joined the Greater Newark Conservancy’s Board in 2019. He practices law with the firm Meyner and Landis, LLP in Newark, NJ, where he represents large financial institutions as a creditor’s rights attorney in a variety of matters involving commercial loans, workouts, foreclosures and bankruptcy and restructuring. He serves as a Trustee of the Banking Section of the New Jersey State Bar Association and as a Director of the Girls Softball League of Westfield. He has his B.A. from Livingston College at Rutgers University and his law degree from Rutgers-Newark. David lives in Westfield, New Jersey with his wife Eve and their three children where he passionately coaches baseball and softball and maintains a vibrant vegetable garden.




Huber Board Meting Dec 2016

Sam Huber is a lifelong educator devoted to the belief that “civic and institutional growth begins with the continuous development of the skills and interests of the people engaged in any particular organization or communal endeavor.” He has served as Director for the JM Huber Corporation, a global family-held specialty materials manufacturer, and for CP Kelco, a global specialty ingredients manufacturer. Sam also serves as a Trustee for the Open Space Institute in New York, NY and as President and Secretary of the Stone Foundation of New Jersey.

Sam’s family has a long history of advocacy for land conservation and environmental protection, and was attracted to the Conservancy’s blending of environmental themes and the urban landscape. “What excites me is the Conservancy’s ability to evolve its mission, and keep things flexible and responsive to community needs.”  





Shelden Ogilvy Pisani joined Greater Newark Conservancy’s Board in July, 2007, and serves on the Governance and Advancement & Communications committees. An Essex County resident for 33 years, she and her husband moved to Bay Head New Jersey in 2013. She is a psychotherapist and addiction counselor in private practice. Shelden attended Wellesley College and holds a Ph.D from the New School for Social Research and a New Jersey State License in Alcohol and Drug Counseling.  She also serves on the Board of Planned Parenthood and the Ambassador’s Circle of Family Connections. Since the focus of her volunteer work is on promoting wellness and the common good, her work with Greater Newark Conservancy is a perfect fit.




Jon Pueschel

Jonathan Pueschel is a Banker with JPMorgan’s Private Bank, focusing primarily on the New York Metro area and New Jersey. He is responsible for developing and executing comprehensive wealth management strategies for ultra-high net worth individuals and families, executives, entrepreneurs as well as foundations and endowments.  Jon joined J.P. Morgan in 2009 and has spent the past 7 years working closely with some of the Private Bank’s largest family office and foundation relationships.

Jon holds a B.S. degree in Accounting and Finance from The George Washington University. He also holds series 7 and 63 FINRA licenses, and is a Certified Financial Planner, CFP®. Jon lives with his wife in New York City.





Corlisse Thomas joined the Board of the Greater Newark Conservancy in 2017 because of her interest in serving the residents of the City of Newark. She is currently the Vice Chancellor for Student Affairs at Rutgers University-Newark. Dr. Thomas oversees a range of professionals and departments dedicated to student leadership and development, health and wellness, diversity and inclusion, and residential life. Prior to coming to Rutgers, she served in senior leadership roles at other NY and NJ universities overseeing student life departments. Corlisse is also an Adjunct Assistant Professor in the graduate program in Higher and Post-Secondary Education at Teachers College, Columbia University. She received her M.A. and Ed.D. in Higher Education from Teachers College, Columbia University, and her B.A. in Child Study from Tufts University. Corlisse lives in South Orange, New Jersey with her husband and sons.


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Rachel Schwarz joined the Board of Greater Newark Conservancy in 2008. She works at UBS Financial Services as Vice President of Investments. Rachel lives in Maplewood, New Jersey with her husband and two sons. Her passions include front yard gardening and a strong belief in the mission of the Conservancy to improve lives in Newark through community greening and education. Rachel holds a B.A. from George Washington University.