Patrick M. Kessler
Vice President & Principal, Site Engineering Division
Resume & Profile



Mr. Kessler has over 25 years of experience in site civil engineering, land planning and construction, where for the past 14 years he has applied his knowledge and experience to designing commercial, industrial and residential infill site and subdivisions throughout Northern Virginia.

He is proficient in all facets of residential, commercial and industrial land development design including:


Most recently, in the past decade, Mr. Kessler has combined his passion for landscaping and engineering into a specialization in Water Quality Management as a local expert on the Chesapeake Bay Preservation Ordinance and the associated Best Management Practices of water quality design.  With the majority of the infill commercial and residential projects requiring water quality management, his combined knowledge and expertise allows him to create aesthetically pleasing and cost-effective custom approaches on each residential subdivision, grading plan or commercial site plan project he designs.

A strong background in residential community design and planning, Mr. Kessler has been involved in the design of (with prior firms such as Rinker–Detwiler & Associates, christopher consultants and Dewberry & Davis) communities such as Countryside, Brambleton and Cascades in Loudoun County and Virginia Run and Sully Station II in Fairfax - over 15,000 homes and miles of public and private roadway design.  With GJB Engineering Inc., Patrick has managed the engineering of a diverse list of local infill projects such fast-food restaurants, school additions, marina renovations, custom/high-end small residential subdivisions, adaptive use projects such as the design of a driving range on an former land fill site, and a parkland sea wall. 

Combined with his prior construction and surveying experience, Mr. Kessler brings a unique blend of thought, practical application and value engineering to projects.  Also a licensed real estate agent in the Commonwealth of Virginia, Pat brings a perspective not usually available to the average engineer or project manager to a land development engineering team.    

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