There are four new Senior Principals at Langan Engineering & Environmental Services. They are: Richard Burrow, PE, LEED AP (New Jersey); Gerard Coscia, PE, LSRP (Pittsburgh); Marc Gallagher, PE, LEED AP (New York); and Christopher Lager, PE,
LEED AP (Philadelphia).

Richard Burrow 


Richard Burrow leads a group of engineers that specialize in industrial projects ranging from warehouse/distribution centers to mission critical facilities, and commercial projects such as corporate headquarters and ecommerce fulfillment centers in the New York Metro area. A member of NAIOP, he has provided expert engineering testimony for over 15 million SF of warehouse distribution development.

Gerry Coscia


Gerard Coscia
is an environmental consultant in the energy field, specializing in the remediation of manufactured gas plant sites. In 2010, he took the lead in opening Langan’s Pittsburgh office, which has grown to 18 professionals supporting exploration and pipeline projects in the Marcellus Shale, as well as numerous high-profile projects in the city itself, such as PNC Tower, demolition engineering of the Civic Arena (the “Igloo”), and game-day traffic and parking consulting for the Pittsburgh Steelers.

Marc Gallagher is leading the Langan team engaged on the largest real estate project in the country–Hudson Yards. Although based in New York, he leads challenging geotechnical, civil and environmental projects around the world, including large developments in the United Arab Emirates, major sports facilities in Iraq, and infrastructure projects in Greece.


Chris Hager heads Langan’s Philadelphia office, and is currently the Chair of the Philadelphia Urban Land Institute District Council. Under his leadership, Langan has become a trusted consultant to the design and development community in and around the city, notably on projects like Parx Casino, Race Street Pier, the expansion of Lincoln Financial Field, and Cooper University Cancer Center, as well as multiple assignments at the University of Pennsylvania and on numerous environmentally challenged sites in the region.

Founded in 1970, Langan provides integrated site engineering and environmental consulting services for private developers, property owners, and public sector clients. Langan employs 800 professionals and has regional offices in New Jersey, New York, Pennsylvania, Connecticut, Virginia, Florida, Ohio, North Dakota, and California. With more than 125 LEED APs, the firm ranks among the top Green Design Firms by Engineering News-Record and has consistently ranked among the Best Engineering Firms to Work For by CE News

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