Nancy W. Denig, RLA, ASLA, (MLA, University of Massachusetts, 1975; BA, Smith College, 1968) is the founding Principal of DDA and adjunct faculty member at the University of Massachusetts Department of Landscape Architecture and Regional Planning. Nancy's planning and design work is noted for its combination of rationality and creativity. She is known, too, for her collaborative approach to work and public presentation capabilities. Presented recently with the Distinguished Alumni Award from her graduate alma mater, Nancy's other qualifications include certification by the National Council of Landscape Architectural Registration Boards and professional registration in Connecticut, Maine, Massachusetts, New York and Rhode Island. Nancy is President of the Pioneer Valley Habitat for Humanity and formerly of the Frank. A. Waugh Alumni Association. Current board memberships include the Botanic Garden of Smith College and the University of Massachusetts College of Natural Resources and the Environment.

Martin G. Ringey, RLA, ASLA, (MLA, Cornell University, 1994; BBA, University of Massachusetts, 1988) is DDA's Senior Associate, noted for his effective project management, staff supervision, design development and contract documentation. Martin's ten years of professional practice has focussed on large, complex school and multi-family housing projects. His current project responsibilities include management of Porches Inn Hillside Trail, Smith College Capen Garden Rehabilitation, Churchill Park and Spring Meadows Apartments. Martin's registration as a landscape architect is in Massachusetts.

Sandra Jaquay-Wilson, ASLA, (MLA, University of Massachusetts, 2004; BS, Landscape Architecture, magna cum laude, University of Massachusetts, 1999) is DDA's planner and landscape designer. Sandra's nine years of planning experience, with the Franklin Regional Council of Governments in Greenfield, MA and on the Town of Buckland Planning Board, focus on sustainability and preservation issues. In addition to position papers on innovative stormwater solutions and constructed wetlands in behalf of the Ecological Cities Project, Sandra's other research and writing work addresses: open space planning; natural and scenic resources; and housing and economic development. Sandra's student work won her an American Society of Landscape Architects Honor Award and membership in the Sigma Lambda Alpha Honor Society. Further education includes: Brown Fields & Gray Waters, Restoring and Remediating Degraded Landscapes; Water Sensitive Ecological Planning and Design; and MA Stormwater Regulations, Phase II.


Jenna Snyder (BA, Smith College, 2003) is DDA's landscape designer and computer graphics expert. Jenna has recently graduated from Smith College with a degree in architecture and urbanism. She also spent a semester abroad traveling Europe and studying architecture at the University of St. Andrews. Jenna has worked for Tris Metcalfe Associates as an architectural intern and for Snyder Brothers Construction where she specialized in landscape installation. She has also served as a panelist on architecture committees for Smith College. Jenna is currently working on the Downtown Northampton Improvement Plan and Hersch Residence. Her love for architecture and design originated from the family business which she one day hopes to continue.

Other professional staff members contribute to DDA's work with research, writing, existing conditions documentation, planning and design collaboration, graphic production, CAD drafting, illustrative drawing, model-building and other aspects of our work, as may be required. DDA also partners frequently with Architects, Civil Engineers, Structural Engineers, Environmental Scientists, Surveyors, Construction Consultants/Cost Estimators, Market/Economic Analysts, Artists and other specialized talents, as may be required for specific project needs.