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FUN FACTS & DENIS' FAVORITES

Denis J. McMullan, PE

Chartered Member of the Institution of Structural Engineers
Founding Principal

  • Licensed in DC, MD, VA and 23 Additional States
  • MS Structural Engineering, The George Washington University
  • BS Civil Engineering, Queens University, Belfast, Northern Ireland

A native of Northern Ireland, Denis established McMullan in 1988 after years of working for others in the United Kingdom and eventually the United States. Flashing forward, Denis has become renowned for his structural engineering design for a broad spectrum of building types and construction methodologies, and is well known for his thoughtful solutions to complex engineering issues. Denis’ work with restoring numerous important historic canals, locks, and aqueducts has allowed him to develop a competency in the field of Canal Construction Era aqueducts and locks. His research into canal technology of the 18th and 19th centuries provided the means of restoring several structures where other means of repairs had not been successful, particularly at the Monocacy and Catoctin Aqueducts for the National Park Service.

His experience also includes projects for both public and private business enterprises that represent leading institutions of higher learning, K-12 schools, hospital systems, research and life science companies, commercial and mixed-use/multi-family developers, as well as all levels and agencies of government – municipal, state, and Federal. In fact, Denis has served as both structural principal and quality control principal on more than 150 IDIQ contracts for which McMullan has served as either the prime or structural sub-consultant for A/E-led teams. 

Most importantly, Denis is acutely responsive to our clientele and insists that this responsiveness be modeled by everyone at McMullan. He advises staff to pay attention to what the client wants and needs, even if they are sometimes different. He is diligent about meeting the scope and timeline, taking great pride in making the company word our bond.

Denis is also a staunch advocate for the promotion of women in engineering. Fifty percent of McMullan's engineers are women. He has engendered dozens of local structural engineers and remains very much active in McMullan projects.

LEADERSHIP