Curt A. Schreffler, P.E.
Curt is a 1987 graduate of Carnegie Mellon University (BS – Civil Engineering). He founded CAS Engineering in 1993 and oversees projects in Maryland, DC, and Virginia. He is a licensed Professional Engineer in all three of these jurisdictions. Curt lives in Frederick, Maryland with his wife Amy. Outside of work, Curt enjoys travel, cycling, good food, and craft beer.
Jeffrey A. Robertson
Jeff is a 1994 graduate of Ohio University (BS – Civil Engineering). Jeff joined CAS Engineering in 1996 and oversees the Montgomery County division, with a specific emphasis on residential development. Jeff lives in Frederick, Maryland with his wife and three children. He organizes the annual Greater Potomac Golf Classic benefitting the Julie Ann Robertson Cashour (JARC) Memorial Fund. The JARC Memorial Fund is valued over $500,000 and has provided more than $230,000 in assistance to charities involved with Neurofibromatosis (NF) or other deserving charities.
James M. Ochs
Operations Manager/Senior Project Manager
Jim joined CAS Engineering in 2002, bringing with him a diverse skill set. In addition to project management and site design, Jim also handles information technology, graphic design, marketing, database development and management, and process streamlining for the company. Jim lives in Frederick, Maryland with his wife Tracy, and their three children. He enjoys hiking, kayaking, volunteering on mission trips with his church and spending time with his family.
Jared M. Sims Carhart, P.E., M.S.E.
Senior Project Manager
Jared is a 2012 graduate of Colorado State University (BS – Civil Engineering) and a 2018 graduate of Johns Hopkins Whiting School of Engineering (MS – Civil Engineering). He is a Licensed Professional Engineer in the State of Maryland. Jared joined CAS Engineering as a Project Engineer in 2012 and currently lives in Sykesville, Maryland with his wife, two children, and dog. Outside of work, Jared enjoys golfing, trail running, and homebrewing.
Lane A. Kurkjian, P.E.
Senior Project Manager
Lane is a 2013 graduate of Carnegie Mellon University (BS — Civil Engineering). She is a licensed professional engineer in the states of California and Maryland. Lane joined CAS Engineering in 2021 and currently lives in a tiny house in Dickerson, Maryland. Outside of work, Lane enjoys kayaking, biking, and spending time with family and friends.
Stephanie M. Fisher
Stephanie is a 2015 graduate of the University of Maryland (BS – Civil Engineering). Stephanie joined CAS Engineering as a Project Engineer in 2018. She currently lives in Frederick, Maryland with her husband Harrison and her daughter Isabella. Outside of work, Stephanie enjoys working out, hiking, spending time with her family and playing board games.
Phillip D. Long
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, and fly fishing.
Patrick N. Kauffman, Prof. L.S.
Pat is a 2007 graduate of the Frederick Community College (AS – General Studies). Pat joined CAS Engineering in 2002. He leads a field survey crew. Pat lives in Emmitsburg, Maryland with his wife. He enjoys gardening, amateur photography, playing with his dog, and spending time with his wife.
Karen A. Martino
Engineering Support/Property Management
Karen is a 1982 graduate of the University of Maryland (BS – Geography and Cartography). Karen joined CAS Engineering in 1993. She provides Administrative Assistance and Technical Support in the Maryland and the DC Offices. Karen lives in Damascus, Maryland with her family. She enjoys spending time outdoors, playing with her grandchildren and training her dogs.
Darci D. Holston
Darci is a 1988 graduate of Towson University (Business Administration/Marketing). She joined CAS Engineering in 2002 and handles office administration, HR, and accounting. Darci lives in Woodbine, Maryland with her husband, two daughters, and three dogs. She enjoys spending time with family and friends, the beach, cooking, decorating, entertaining, movies, and reading.