Joshua Posner has developed affordable housing over the last 35 years in a wide variety of settings in New England and other parts of the United States, playing a significant role in the planning and development of over 2000 housing units. He founded Rising Tide Development LLC in 2001 to focus on the creation of new, small-scale, mixed-income residential communities in some of the most exclusive towns in Massachusetts. Prior to Rising Tide Development, he played senior management roles over 12 years at The Community Builders (1984-96), a leading regional and national nonprofit developer of affordable housing. He has specialized in the construction and rehabilitation of community-based housing, the preservation of affordable housing nearing the end of its regulatory period, and the redevelopment of large-scale dilapidated public housing projects in various locations around the country. One of his most recognized projects is Tent City, with 269 unit mixed income residential units, a 698 underground parking garage and associated neighborhood retail space and on a 3.3 acre site at the intersection of Boston’s South End and Back Bay neighborhoods. Tent City has won numerous awards including the Urban Land Institute Award for Excellence. In 1998, he served as President of Cornerstone Housing, a private development firm focused on public housing revitalization, and from 1999 through 2000, he served as Vice President of Development for Trinity Financial, Inc. in Boston. Earlier in his career he founded and led a community development corporation in Brockton, Massachusetts (1972-77) and played a senior role in the growth and operation of Massachusetts Fair Share, a statewide community organization focused on economic justice and community improvement (1978-83.)

Posner has been engaged in a variety of community activities, including serving on the Board of Cambridge Health Alliance, an award-winning integrated healthcare system with three hospitals and 10 neighborhood clinics that serves Cambridge, Somerville, and Boston’s metro-north communities; past Board President and Director of The Guidance Center, the largest mental health and family support social service organization in Cambridge and Somerville; Founding Board Member and Treasurer of Shining Hope for Communities (2009-2012), a NGO combating gender inequality and extreme poverty by running a school for girls, a health clinic, a clean water program and other enterprises in the Kibera slum of Nairobi, Kenya; Board member of Shared Interest, uses loan guarantees to bridge the gap between South African banks and marginalized people, previously considered “un-bankable” during apartheid; Board member Treasurer of Sconset Beach Preservation Fund, dedicated to protecting and preserving the historic Sconset Bluff on the eastern shoreline of Nantucket Island; and past Board President and Overseer of Shady Hill School in Cambridge.

He holds degrees from Brown University (BA) and the Harvard Kennedy School, Harvard University (MPA). He is an avid skier, tennis player and music lover. He is married to Eileen Rudden and lives in Cambridge, MA. They have 3 grown sons.