CAS Engineering-DC, LLC
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CAS Engineering-DC, LLC
Communication  •  Coordination  •  Commitment

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The CAS Engineering-DC Team

Curt A. Schreffler, P.E., Managing Member
Curt is a 1987 graduate of Carnegie Mellon University (BS - Civil Engineering). He co-founded CAS Engineering-DC, LLC after founding CAS Engineering in 1993. He oversees business operations and long-term planning. Curt is a licensed Professional Engineer in the District of Columbia, Maryland and Virginia. Curt lives in Frederick, Maryland with his wife and two children. Outside of work, Curt enjoys running and cycling.

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David C. Landsman, P.E., Prof. L.S., Manager
Dave is a 2008 graduate of the University of Maryland (BS - Civil Engineering) and 2013 graduate of Mount Saint Mary's University (MBA - Finance). Dave co-founded CAS Engineering-DC, LLC in 2015 after starting with CAS Engineering in 2003 as an intern and full-time since 2008. He manages the day-to-day operations, engineering design, surveying, and permitting for the office. Dave is a licensed Professional Engineer in the District of Columbia, Maryland and Virginia, and a licensed Professional Land Surveyor in Maryland and the District of Columbia. He is also certified as a LEED Green Associate. Dave lives in Alexandria, Virginia with his wife, two daughters and dog. He enjoys breweries, hiking, skiing, biking, and spending time outdoors with family and friends.

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Martin S. Landsman, P.E., Senior Project Manager
Marty is a 2014 graduate of the University of Maryland (BS - Civil Engineering). Marty joined CAS Engineering-DC, LLC in 2016 after working for CAS Engineering in 2008 as an intern and full-time since 2014. He is certified as a Professional Engineer in the District of Columbia. Marty currently lives in Washington, DC and outside of work he enjoys watching the Washington Nationals and Maryland Terrapins, cycling, traveling, and spending time with his friends and family.

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Brent D. Allgood, P.E., Senior Project Manager
Brent is a 2011 graduate of the University of Maryland (BS - Civil Engineering). Brent joined CAS Engineering in 2004 as an intern, and has been on-board full-time since 2011. He is certified as a Professional Engineer in the State of Maryland. Brent lives in Sykesville, Maryland with his wife and daughter. He enjoys hunting, fishing, kayaking and spending time with his family.

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David J. Ritchie, Prof. L.S., Chief of Surveys
Dave began surveying as a teenager 30+ years ago and joined CAS Engineering-DC, LLC in 2017 after starting with CAS Engineering in 1999. He oversees survey projects in Maryland, DC, and Virginia and is a licensed Professional Land Surveyor in all three of these jurisdictions. Dave lives in Frederick, Maryland with his wife and daughter. He enjoys spending time with his family and friends, reading and working around the house.

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Phillip D. Long, Permit Technician
Phil is a 2005 graduate of Loyola University of New Orleans (BA - History). Phil joined CAS Engineering in 2012 and coordinates permit processing in Maryland and DC. He lives in Brunswick, MD with his wife, two daughters, and son. Outside of work, Phil enjoys the art of slow cooking food on his smoker, canoeing, fly fishing, and tending to his vegetable garden.

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