Board of Directors
Anthony Papantonis
Chair
Mr. Papantonis was elected as Chair of the Board of Directors in 2019, after serving as Vice Chair since 2017. He is an engineer and President and founder of Nauset Construction, a full-service construction company providing pre-construction, construction management, design-build, and general contracting services throughout New England.

Mary Cerio
Vice-chair
After serving for twelve years as a member of the Family Selection Committee and serving three years as the Chair of the Breakfast Event Committee, Mary Cerio was elected to the Board of Directors in 2021. She is the CEO and Co-Founder of 42 North Capital, a real estate private equity firm focused on value-add investments throughout New England. In her role as CEO, she is responsible for the firm’s operations oversight, capital raising, investor relations, and portfolio management.

Kurt Spring
Treasurer
After serving for over five years as Chair of the Family Selection Committee, Kurt Spring was elected to the Board of Directors in 2018. He is a Managing Director at Equity Resource Investments, a real estate private equity firm, where he is Head of Asset Management. His expertise includes investor and management reporting, performance modeling, and identification of value enhancement, liquidity, and new investments.
Rodger Brown
Mr. Brown joined the Board in 2017. As Managing Director of Real Estate at Preservation of Affordable Housing (POAH), he oversees the activities of all real estate development staff, manages resource allocation and department budgets, and establishes strategic initiatives for the organization. Mr. Brown is a member of the Board of Trustees of the Boston Architectural College and a member of the Town of Sherborn Zoning Board of Appeals.
Jonathan Evans, RA, NOMA
Jonathan Evans has built a career designing impactful projects that advance justice in the built environment. At MASS Design Group, he is a Principal leading the Boston Studio, where he stewards a portfolio of civic projects and housing developments. During his tenure at MASS, Jonathan served as the principal-in-charge of the architectural scope for “The Embrace”, a memorial dedicated to the legacies of Dr. Martin Luther King, Jr. and Coretta Scott, and the power of love that their partnership embodied. His civic work also includes the creation of public realm projects and masterplanning initiatives, primarily in communities that have been historically disadvantaged and underserved.
Michael E. Liu, AIA NCARB
Mr. Liu is Senior Partner and Design Principal at The Architectural Team. He served as Chairman of the Habitat Board of Directors from 2007 to 2009. Mr. Liu is a member of the Board of Trustees of the Boston Architectural College. He also is the former Chairman of the Designer Selection Board for the Commonwealth of Massachusetts.
Sergio Toscano
As a Build Day volunteer for over 21 years and after serving in the Homeowner Selection Committee for 9 years, Sergio Toscano was elected to the Board of Directors in 2022. He has served as the Chair of Habitat’s Homeowner Selection Committee since 2021. Mr. Toscano is Vice President of IT Risk Governance at Brown Brothers Harriman, a privately owned and managed financial services firm. As Vice President, he is responsible for managing technology audit and regulatory requirements against an industry technology control framework and coordinating official responses to reduce risk exposure.

Jim Kostaras, AIA
President and CEO
Mr. Kostaras was appointed as President and CEO of Habitat for Humanity Greater Boston in November, 2019. He is a registered architect, urban planner, and former Senior Fellow at the Institute for International Urban Development. He was also the Executive Director of the City of Somerville’s Office of Strategic Planning and Community Development, and prior to that, Assistant Director for Economic Development at the Boston Planning and Development Agency (former BRA). Jim was a Lecturer in Urban Planning and Design at the Harvard and, more recently, an adjunct professor at Wentworth and Northeastern. For over 28 years, Jim and his wife have lived in West Roxbury.

Thomas N. O’Brien
Thomas N. O’Brien is the Managing Partner and Chief Executive Officer of The HYM Investment Group, LLC. HYM is currently leading the development of over twenty (20) million square feet of mixed-use development in Greater Boston, including the following notable and complex projects: Bulfinch Crossing (the redevelopment of the Government Center Garage), Suffolk Downs and Parcel 3 in Roxbury. Prior to HYM, O’Brien served as a Managing Partner for JPI, a national developer and owner of multifamily communities, and as a Managing Director in Boston and New York for Tishman Speyer, one of the world’s leading real estate firms. O’Brien also led the Boston Redevelopment Authority as its Director and Chief of Staff, overseeing the development of over 12 million Square Feet of projects in Boston, from 1993 to 2000. O’Brien has served as Chairman of The Greater Boston Real Estate Board and is Vice Chair of the Board of Overseers of The Anti-Defamation League of New England, which awarded O’Brien its Abraham Joshua Heschel Interfaith Relations Award in 2016. In 2011, Governor Deval Patrick appointed O’Brien to the Board of the Massachusetts Housing Finance Agency. In 2016, Mayor Martin J. Walsh appointed O’Brien to the Board of Trustees of the Rose F. Kennedy Greenway Conservancy and in 2024 Governor Maura Healey appointed him to the Board of The Rose Kennedy Greenway Conservancy. He also serves as a Board Member of the Pine Street Inn, Project 351 and the American Repertory Theater at Harvard University. O’Brien is a graduate of Brown University and Suffolk University Law School and is a member of the Massachusetts Bar.
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