Key Personnel

Robert B. McKee, Principal, PE, LA - Civil Engineer, Landscape Architect

Robert McKee

Mr. McKee received his B.S. in Civil Engineering and Master of Landscape Architecture degrees from the University of Virginia. He is a Registered Professional Engineer and Certified Landscape Architect. Mr. McKee has over thirty years of experience in land planning and design, and civil and environmental engineering associated with both public and private sector projects. He is a member of the American Society of Civil Engineers, the American Society of Landscape Architects and the Urban Land Institute. He has served on the Governor's Commission on Environmental Stewardship and has been a Lecturer at the University of Virginia, School of Architecture; teaching graduate coursework in land development.

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Christopher Sonne, PE, LEED AP - Senior Associate, Civil Engineer

Christopher Sonne

Mr. Sonne graduated from Virginia Tech in 1985 with a degree in Civil Engineering.  With over 25 years of engineering experience, his work has emphasized the incorporation of sustainable design and Low-Impact Development wherever possible.  Mr. Sonne is a licensed Professional Engineer, a LEED Accredited Professional, and has been certified as a Master Stormwater Professional by the Center for Watershed Protection.  He also serves as member of the Board for the James River Green Building Council, Central Virginia’s chapter to the US Green Building Council.  His project design experience includes projects ranging from residential subdivisions and municipal wastewater treatment plants to industrial hazardous waste treatment and permitting.  

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Christopher Mantle, LA - Landscape Architect, Project Manager

Christopher Mantle

Mr. Mantle joined McKee Carson after graduating from the University of Massachusetts with a Masters of Landscape Architecture degree. He also holds a B.S. in Landscape Architecture from the University of Kentucky. While at the University of Massachusetts Chris won a MA-ASLA Student Merit Award and after graduation presented his master's thesis on the use of green infrastructure for species-specific biodiversity improvement in highly developed urban areas at the 2010 Fábos Conference on Landscape and Greenway Planning in Budapest, Hungary.  His primary roles include project management and landscape architecture design and planning on numerous projects throughout Virginia and the Mid-Atlantic.

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Michael Downey - Associate, Rain Garden Specialist

Michael Downey

Mr. Downey worked at McKee Carson as an intern during his fourth year as an undergraduate at the University of Virginia and upon completion joined the staff full-time. He received a dual Bachelor's degree in Environmental Thought and Practice (policy and planning) and Cultural Anthropology. His work has focused on investigating the performance of stormwater management systems around the University's campus and the larger Charlottesville community. His distinguished majors thesis, "Edible Rain Gardens: An Innovative Approach to Stormwater Management," evaluated and assessed the potential for using stormwater management systems as sources of fresh produce in urban environments.  Michael also serves as a member of the Board for the Rivanna Conservation Society and a contributor to LandThink.

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