People

More About RDH

Our leaders—Associates, Associate Principals, and Principals—bring technical expertise to every aspect of our work.

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Ariel Levy

M.S., P.E., LEED AP Principal, President

Bill Collingwood

EIT Associate, Senior Consultant

Casey McDonald

Associate, Senior Consultant

David C. Young

P.E. Principal, Senior Specialist
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Erik Lawrence

AIA, M.Arch. Associate, Sr Architect
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Joseph McMillen

RRO, CET, BECxP Associate, Senior Consultant
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Kathleen Smith

CT Principal, Senior Specialist
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Kelly Lamb

Associate, Project Consultant
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Samuel Chipperfield

Associate, Senior Consultant

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Technical Expertise. Real-World Impact.

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