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Mogensen Mitigation, Inc., is a private stream and wetland environmental consulting company with offices in Charlotte and Raleigh, North Carolina.

MMI was established in 2011 to provide stream and wetland consulting as well as threatened and endangered species consulting services to private and public entities. In 2013 we acquired Robert J. Goldstein & Associates, Inc. and Gerald Pottern joined MMI as Senior Ecologist. We have an office in Charlotte and in the Raleigh area.


President, MMI Richard K. Mogensen, PWS

Highlight: Over 30 years experience in wetlands and environmental consulting.


Education and Training

  • B.S., Biology, University of Connecticut, 1977

  • B.A., Geology, University of Colorado, 1984

  • 1987 & 1989 Corps of Engineers Wetland Delineation Manual Training

  • Rosgen & NCD Stream Training

  • Numerous technical seminars, symposiums and workshops (often as presenter)


Registrations and Certifications

  • Certified Wetland Delineator (1989), USACE (9th person certified by USACE Baltimore District)

  • Certified Professional Wetland Scientist (PWS) (1994), Society of Wetland Scientists

  • Charter Member & Past-President, National Mitigation Banking Association (2002 to 2004)

  • Charter Member NC Environmental Restoration Association

  • Member NC Association of Environmental Professionals


Richard K. Mogensen - President, PWS


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North Carolina Environmental

Restoration Association

Raleigh Office Manager, Gerald Pottern, Senior Environmental Scientist



  • BS, Zoology, Duke University 

  • MS, Biology and Water Resources, NC State University


Training and Certifications

  • NC-SAM Stream Assessment Methodology, NC-DEQ

  • NC Method for Identification of Intermittent & Perennial Streams, NC-DEQ 

  • Watershed Planning Workshop, The Swamp School 

  • Phase II and Coastal Stormwater Programs Workshop, NC-DEQ

  • Stormwater Wetland Design Workshop, NCSU-BAE 

  • Stream Restoration Design Principles, NCSU Stream Restoration Program 

  • Applied Fluvial Geomorphology, Wildland Hydrology 

  • NC Regional Wetland Delineation Supplement Workshop, USACE & NC-DEQ

  • Ecological Stream Flows Assessment, NC-DEQ-DWR

Qualifications & Expertise

Gerald has 30 years of experience in stream and wetland science, endangered species surveys and US-FWS consultation, Clean Water Act 404-401 permitting, NEPA and SEPA environmental impact documents, natural resource inventory and conservation plans, water quality studies, riparian zone assessment, restoration site planning and monitoring, and environmental education. As a consultant, he is well-versed in federal and state environmental regulations and natural resource field assessment and documentation methods, and secondary and cumulative impact mitigation planning.  Gerald assists clients in designing projects to meet environmental agency objectives and permit requirements, and has prepared NC-CWMTF and NC-PARTF grant applications for riparian conservation and water quality improvement projects. He served on the Scientific Council to the NC Nongame Wildlife Advisory Committee, has conducted numerous surveys of fish, invertebrates, and plants for scientific and educational purposes, and leads ecological field trips for educational events.


Gerald Pottern - Raleigh Office Manager

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