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.

Treasurer

Mr. DiSchino joined the Board of Directors in 2008 and was elected Treasurer in 2010. He served as President and CEO of Barkan Management Company, a leading manager of residential properties in Massachusetts, for 26 years until his retirement in late 2020. Mr. DiSchino is also past President of the Rental Housing Association.

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.

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.

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.

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.