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

Paul G. Cavanaugh, P.E., General Manager

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