Nielsen is a fellow of the American Society of Landscape Architecture and has
been principal of her firm, Mathews Nielsen Landscape Architects, since
1979. Signe has taught landscape architecture, urban design and environmental
planning at City College of NY, NJ Institute of Technology and Pratt Institute. She is currently the Vice President of the NYC Art Commission and is a registered landscape architect in 5 states.
Signe’s professional practice specializes in public projects throughout the East Coast and includes large scale master planning, urban design and landscape architecture. Her work focuses on brownfields, public open spaces, waterfronts and infusing all projects with sustainable initiatives.
Since the firm’s founding, Signe has received more than two dozen national awards and her work has been published extensively in national and international publications. She has authored a number of books including Sky Gardens, High Performance Infrastructure Guidelines (with Hillary Brown), Cool and Green Roofs and Sustainable Site Design Manual.