Diana Marsh, AICP

Diana Marsh, Principal of Naiad Design, has a background in urban design and planning as well as environmental engineering. She has a Bachelor’s Degree from Cornell University and a Master’s Degree in City in Regional Planning from UC Berkeley, and has worked at numerous planning and urban design consulting firms, including Calthorpe Associates, EDAW, Parsons Brinckerhoff, The Cecil Group, and Phillips Preiss Shapiro Associates / Phillips Preiss Grygiel Leheny Hughes LLC.

Ms. Marsh brings her broad experience and keen understanding to her graphic design work, distilling complex ideas into compelling, concise graphic solutions. Diana established Naiad Design in Brooklyn, New York in 2003, and moved the studio to Somerville, Mass. 10 years later. From its inception, Naiad Design has offered both urban planning / urban design and graphic design.


Working for Phillips Preiss Grygiel, LLC, Ms. Marsh wrote the Epsteins Downtown Area Rehabilitation Plan for the Town of Morristown, New Jersey. The Rehabilitation Plan won four statewide awards: the New Jersey Chapter of the American Planning Association’s Outstanding Smart Growth Plan, the New Jersey Planning Officials Award for Innovative Design, Downtown New Jersey’s Excellence in Downtown Award, and New Jersey Future’s Smart Growth Award for Creative Downtown Redevelopment Strategy.

Ms. Marsh also wrote the standards for site planning and design and building massing and architecture for the Township of Plainsboro, New Jersey’s Redevelopment Plan for the Princeton Health Care System. The Redevelopment Plan has been honored with an Achievement in Planning Award from the New Jersey Planning Officials (NJPO), a non-profit organization that is the largest affiliate of the New Jersey State League of Municipalities.