About Us

Since 1997, Marathon Engineering & Environmental Services, Inc. has brought experience and expertise in civil engineering, environmental permitting, and environmental investigations to create cutting-edge solutions for land development and redevelopment in New Jersey, Pennsylvania, and beyond.  The staff of Marathon has created a niche in the development community because of our experience and expertise in the federal, state, and local regulatory process that is essential to every project.

For example, our Land Development Group has developed a specialized niche in navigating the complicated maze of environmental regulations for decades-long projects such as the Pureland Industrial Complex and LogistiCenter in Logan Township, Gloucester County, New Jersey, and Master Planning and Development projects for Stockton University in Galloway Township, Atlantic County, New Jersey. Our Environmental Group also has highly developed expertise in wetlands consulting and land use permitting, as seen at major permitting efforts all over New Jersey and Pennsylvania.


Our Environmental Group has developed a specialized niche in the environmental risk assessment and management field through projects such as remediation oversight at the Garden State Racetrack in Cherry Hill, Camden County, New Jersey and brownfields consulting in Atlantic City, New Jersey.

Key Personnel


Dave Fleming

Dave Fleming

P.E., Director of Engineering
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Kayleigh Sena

LSRP, Manager of the Environmental Department
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Jesse D. Dougherty

P.E. & NICET III, PROJECT ENGINEER
Henry

Henry Weigel

SENIOR ENVIRONMENTAL ENGINEER

Our professional staff have earned and maintained the following degrees, certifications, and licenses:

  • Professional Engineer in Delaware, Florida, New Jersey, Maryland, Pennsylvania, and Virginia
  • American Institute of Certified Planners (AICP)
  • Licensed Site Remediation Professional (LSRP)
  • Professional Planner in New Jersey
  • Certified Municipal Engineer
  • Certified Indoor Environmental Consultant (AIAQC)
  • Certified Indoor Environmentalist (AIAQC)
  • Certified Indoor Air Quality Professional (AEE)
  • Certified Commercial Building Inspector (ICC)
  • Certified Residential Building Inspector (ICC)
  • Certified Building Sciences IR Thermographer (IRT)
  • Licensed Underground Storage Tank Subsurface Evaluator, New Jersey Department of Environmental Protection
  • OSHA 40 Hour Health and Safety Training
  • First Aid & CPR Training

Marathon’s professional staff maintains membership in the following professional societies and organizations:

  • Pennsylvania Council of Professional Geologists
  • National Society of Professional Engineers
  • American Planning Association
  • American Society of Civil Engineers
  • New Jersey Association of Soil Conservation Districts
  • New Jersey Society of Municipal Engineers
  • Indoor Air Quality Association (IAQA)
  • Association of Energy Engineers (AEE)
  • International Code Council (ICC)
  • Society of Wetland Scientists
  • ASTM International and Sub-Committee E50
  • South Jersey Land Trust
  • Atlantic County Solid Waste Advisory Council
  • The National Association of Environmental Professionals
  • Builders’ League of South Jersey
  • US Green Building Council

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