Sean joined Simpson Gumpertz & Heger Inc. (SGH) in 2012. In the past twelve years, he has been involved in many diverse applications of civil engineering consulting, including the design of heavy civil infrastructure, hydrologic and hydraulic analysis, site civil design in residential, commercial, and industrial applications, constructability analysis and construction cost estimating, and construction supervision. He has also represented clients at numerous public meetings related to site civil design and permitting. He has performed a number of investigations related to civil infrastructure. He is an active participant in the Boston Society of Civil Engineers Environmental and Water Resources Institute (EWRI) Boston Chapter.