Susan Y Jainchill RLA, AICP

Founding Principal

With over 30 years of experience, Susan Y. Jainchill has been a key figure in landscape architecture and urban planning projects throughout the New York metropolitan area. She has expertly led teams of engineers, architects, and natural resource professionals through design, documentation, and construction phases, often on complex and challenging sites. Her dedication is unwavering: to craft environments that enhance the quality of life, foster productivity, and promote well-being for individuals and communities.

As both a licensed landscape architect (RLA) and certified planner (AICP), Susan brings a cross-disciplinary approach to every project, skillfully navigating regulatory frameworks and municipal approval processes. Her experience spans large-scale efforts such as corporate campus master plans, public recreation facilities, and ecological mitigation for infrastructure projects, as well as smaller, site-specific initiatives including residential properties, playgrounds, and urban plazas. In every case, she combines analytical rigor, creative design, and practical solutions to deliver outcomes that are visually compelling, functionally effective, and cost-efficient.

Susan splits her time between her home in Athens, NY, and New York City. Her design practice is based in the Irvington, NY, office, from which she works on projects throughout the Hudson Valley and beyond. With a strong sense of civic responsibility, Susan is actively involved in her community. She is a former member of the Ardsley Planning Board and a past President of the Westchester County Historical Society.

Susan holds a Bachelor of Science in Landscape Architecture from Cornell University and a Master of Urban Planning from Columbia University’s Graduate School of Architecture, Planning and Preservation. She was a Lady Davis Fellow and is currently an adjunct professor at Fordham University.