Mark M

Mark Mastalerz, PLA, ASLA, LEED AP

Managing Principal / Landscape Architect (MD, NY, VA)

With a career in landscape architecture that spans 37 years, Mark has directed many acclaimed planning and design projects throughout the eastern United States and overseas. He serves as managing principal and technical director for RHI, and plays an instrumental role in setting meticulous standards for all phases of project deliverables. Mark is adept in coordinating multidisciplinary teams, and has extensive experience in projects ranging from residential gardens, parks, and recreational areas to large-scale commercial developments, ambitious institutional and governmental projects, and major transportation initiatives. Mark is knowledgeable in all aspects of sustainable design in landscapes and hardscapes, and has completed several innovative projects emphasizing green strategies. He is also proficient in the integration of landscape design elements that enhance privacy and security, and has completed numerous secure projects throughout the world. He recently served on the Board of Trustees for the American Society of Landscape Architects (ASLA), representing the Potomac Chapter.

 An avid theater-goer, Mark is a volunteer usher at several DC area non-profit theaters.


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