Board of Directors & Advisory Council
Groundwork Lawrence, Inc. (GWL) a 501(c)3 nonprofit organization, has been making change happen in Massachusetts since 1999.
Our mission, shared throughout the Groundwork USA Network, is to bring about the sustained regeneration, improvement, and management of the physical environment by developing community-based partnerships which empower people, businesses, and organizations to promote environmental, economic, and social well-being.
Board Member Benefits
- Help to shape the future of Greater Lawrence through joint environmental action and improved public health;
- Learn about diverse aspects of urban environmental work, including community organizing, urban planning and design, landscape architecture, urban agriculture, community food security, and healthy habits, environmental law, urban ecology, education and workforce training, and brownfield
remediation; - Network with other Board members, partners, volunteers and friends of Groundwork Lawrence as well as Groundwork USA and other Groundwork organizations worldwide.
Are you interested in joining the Board or Advisory Council?

Board of Directors
Rosa Lopez – President
A native of the Dominican Republic, Rosa grew up in Lawrence and has lived in the Merrimack Valley for most of her life. She has focused her career in Human Resources in an effort to support the employer/employee relationship and empower employees and managers. Rosa first became involved with Groundwork Lawrence as a volunteer organizer while working for New Balance and was impressed with the work the organization was doing at the time and started her first turn as a board member. She was also on the Merrimack Valley YMCA board for many years. Rosa is currently working as a Senior Human Resources Manager at LABORIE and is excited to return to the Groundwork board.
Tamar Kotelchuk- Vice-President
Tamar is Vice President for Community Development at the Federal Reserve Bank of Boston, where she leads efforts to strengthen the economies of Gateway Cities and low income rural areas across New England. She led the development of the Working Cities and Working Communities Challenge, grant competitions that encourage collaboration around community and economic development.
Prior to joining the Fed in 2012, Tamar was a co-founder of Lawrence CommunityWorks, where she worked in real estate development (building community spaces, affordable housing, and parks), policy and neighborhood planning. Tamar is currently on the Board of Directors of Groundwork Lawrence and Esperanza Academy, and volunteers with Sueños Basketball.
Originally from New York City, Tamar has lived in Lawrence for 25+ years with her husband and her daughter. In her free time, Tamar helps to organize and attends lots of gatherings of friends and family, reads a lot, volunteers, cooks and goes for walks in the woods.
Tamar graduated from the Massachusetts Institute of Technology with a Masters in City Planning. She is fluent in Spanish.
Anthony Marino, Treasurer
Anthony is Vice President of Operations at the Merrimack Valley Credit Union. Prior to MVCU Tony spent time as a partner in a consulting firm focused on working with business clients to address opportunities for human performance improvement within their organizations. He spent the past seven years, before joining the Board at Groundwork Lawrence, as a Board Member of Neighborworks Southern NH working on affordable housing projects. There he occupied leadership positions on the Board, including Treasurer, Vice-Chair, and Board Chair, and helped guide the organization through a significant period of growth that resulted in Manchester Neighbor Housing evolving into Neighborworks Southern NH. Anthony has also spent time volunteering with Big Brothers/Big Sisters, The United Way, and the Girl Scouts, as well as coaching numerous sports teams for his two sons. He earned a BA in Philosophy from the University of Connecticut and holds an MBA in Community Banking from Fairfield University.
Jessica Phillips, Clerk
Jessica Phillips is Vice President, Senior Branch Relationship Manager at Enterprise Bank’s Lawrence office. She has over 20 years of experience in financial services. Leading a team of 8 people, she is responsible for developing, growing, and managing relationships within the City of Lawrence. Jessica grew up in Groveland, MA, and currently resides in Haverhill, MA with her two boys. Her eldest son Ben works as a machine shop engineer and her youngest, Sammy will be a Senior at Haverhill Hill School this coming fall. Once joining Enterprise Bank in 2016 she quickly became a community advocate and has volunteered countless hours for various organizations. Currently, Jessica serves as Treasurer of the Greater Lawrence Kiwanis Foundation and also served on the board of the Essex Art Center until very recently. Jessica has also served on various committees including the Glow Gala committee for Groundwork Lawrence. It is through this work with community partners that she developed an interest in Groundwork Lawrence and its mission. Jessica was a recipient of the YWCA’s Tribute to Woman in 2019 and graduated from the Mill City Leadership Institute in 2017.
Genesis Duran
Genesis is a lifelong resident of Lawrence, motivated by her love for the city and community. She believes that when people have access to education and resources, the entire city moves forward.
Genesis brings her experience from the Lawrence Partnership, where she works to connect community members, nonprofits, and local partners to strengthen opportunities for residents.
She is a graduate of Northern Essex Community College and continued her education at UMass Lowell. She also holds a Nonprofit Management certification from Northern Essex and completed the Cultural Inclusion Program with Community Inroads.
Paul Erhard
Paul is an aviation security specialist having run numerous development and implementation programs for deploying security technologies at US airports. A Professional Engineer and a senior member of the management team, Paul brings strong expertise in sales, strategic planning, operations, and managing Federal government programs. Paul is an active outdoors person and naturalist, and recently completed a 2,200 mile thru-hike of the Appalachian Trail. He has coached local youth lacrosse teams and was a past volunteer with Open Door food pantry and Best Friends Animal Society. He received his M.S. in Civil Engineering from Northeastern University and his B.S. in Civil Engineering from the University of Massachusetts, Amherst.
Luis Fontanez
In his role at Lawrence Community Works, Luis Fontanez is a Workforce Administrative Assistant and a Front Desk Administrative Assistant. As the Workforce Administrative Assistant, he helps manage multiple Workforce Job & Skill Training programs to help the Merrimack Valley Community. He holds an associate degree in Science in Technology and Business from Northern Essex Community College, where he graduated with honors. He is currently attending Southern New Hampshire University for his bachelor’s in public administration. By joining the board of Groundwork Lawrence, Luis hopes to help make a positive difference in his local community and beyond while tackling the issues of inequality.
Eli Levine
Eli is Vice President of Acquisitions for the Brownfields Recovery Group, a private firm located in downtown Boston. In this capacity, he has extensive experience in brokering land transactions and the purchase and sale of contaminated parcels. Eli’s professional expertise has helped GWL inform its acquisition and redevelopment of vacant and contaminated parcels for open space, park, and community garden end-uses.
Marianne Paley Nadel
Marianne Paley Nadel is a longtime community leader in the City of Lawrence. IN 1998, Marianne became the founding Executive Director of Groundwork Lawrence, leading the organization’s first six years of growth from a small start-up to a trusted community partner. She is proudly the Chair of the GWL Board of Directors. For over 15 years, Marianne managed her family real estate holdings, the historic Everett and Stone Mills, diversifying the commercial tenancy to include professional, non-profit, educational, and creative manufacturing uses. Marianne is excited to now be the DyeWorks Project Director at Lawrence CommunityWorks, capping years of investment in Lawrence’s Gateway. Marianne serves on the Lawrence General Hospital Board of Trustees, Northern Essex Community College Foundation Board, and Lawrence Partnership. Marianne holds a Masters in Urban Planning from MIT and a BA from Brandeis University. She lives in Newton with her husband Eric, who tried to replace their three grown kids with two dogs.
Linda Zimmerman
Linda has over 30 years of experience in organizational management and operations. She is currently the Executive Director of Neighbors in Need (NIN), a network of 8 food pantries that has fed the poor and hungry of Greater Lawrence for over 25 years. Prior to joining NIN in 2004, Linda was Vice President of Operations at the International Institute of Boston, an organization that provides services to refugees and immigrants including ESOL, job training and placement, mental health services, domestic violence counseling, a legal clinic, a food pantry and programs in economic literacy and development.
Beyond work, Linda is very involved with local performance arts groups. She received her MBA from Simmons Graduate School of Management and her AB from Wheaton College.
Rob Lawlor
Robert “Rob” Lawlor, CFP, is SVP of Sales, Business Development, and Community Relations at Metro Credit Union in Chelsea. He have worked in the financial services industry for 30+ years, building a dynamic sales culture rooted in community engagement, strong values, and consistent high performance.
Throughout his career, he has contributed to a range of finance committees and nonprofit boards across the Merrimack Valley, including the Saint Vincent de Paul Society in Chelmsford, MA, Florence Crittendon Society, Lowell General Hospital, and most recently serving on the Board of Directors and as Treasurer for Girls Inc. of Greater Lowell. In addition to board service, he has also dedicated 18 years to coaching youth sports in Chelmsford, MA.
He lives with his wife and they enjoy spending time with their five adult children and two grandchildren. A cycling enthusiast, he also enjoys teaching spin classes. Rob earned his undergraduate degree from Hobart and William Smith Colleges and holds additional certifications from Northwestern University, including the Certified Trust Financial Advisor (CTFA) designation and the CFP certification from Boston University.
Rob is excited to join the Groundwork Lawrence Board and team to help create positive change in the community.
Paul Tanklefsky
Paul brings a passion for working with youth and fundraising experience to the Board. For 25+ years, Paul was Director of Career Services and Cooperative Education at Suffolk University for the Sawyer School of Business and the College of Arts and Sciences. He has also recently completed interim stints as Northeastern University, Emerson College, and Merrimack College in career and academic coaching. He has volunteered on the fundraising committee of Merrimack Valley Habitat for Humanity the past two years, seeking corporate sponsors for the annual gala. Paul is an avid cyclist and lover of “all things outdoors” and is excited to work with Groundwork Lawrence to improve the quality of life of Lawrence residents through environmental improvements to the community and engagement with the “green team.” Paul has an M.Ed from Harvard University and a BA from the University of New Hampshire.
Advisory Council
- Stephanie Artz Buchholz, Lawrence Public Schools
- Aliali Belkus, Central Catholic High School, Silverio Insurance Company
- Juan Bonilla, United Way of Mass Bay and Merrimack Valley
- Delia Durán-Clark, Esperanza Academy
- Pati Fernandez, Esperanza Academy
- Kay Berthold Frishman, Family Services (Retired)
- Steve Golden, National Park Service (Retired)
- Chad Montrie, University of Massachusetts Lowell
- Wanny Muñoz, UWander
- Yashira Robles, Community Day Charter Public Schools
- Glennys Sanchez, Great Schools Partnership
- Susan Stott, Phillips Academy (retired)
