About our staff Our office staff includes engineers, planners, surveyors, landscape architects, CAD technicians, and administrative suppport staff. Our principal points of contact are listed below: James L. Mathias, L.S., Principal Richard B. Williams, Principal W. Richard DeMario, P.E., Principal Andrew J. Stine, RLA, ASLA Professional Affiliations Click here to see a list of the professional affiliations of our staff.
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Copyright, 2012 by Development Design Consultants, Inc. 192 East Main Street, Westminster, MD 21157. Ph. 410.386.0560 Fx. 410.386.0564