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Meet the CCI Team

Our staff consists of professional engineers, scientists, field technicians, and dedicated support personnel.  All CCI employees work diligently toward helping clients with a wide variety of needs.


Mary M. Field, P.E., M.S., President

Mary has a broad range of experience in environmental engineering and management and has been qualified as an expert witness in regulatory affairs.  She possess considerable experience in the areas of developing, planning, and implementing a variety of audits and review programs, compliance management and training, solid waste management, air quality management, and water quality/wastewater treatment.  She is responsible for oversight of civil engineering design work at the firm.  Mary is a licensed professional engineer in the state of Louisiana and received her B.S. and M.S. of civil and environmental engineering from Louisiana State University. 

Stephen D. Field, Ph.D., P.E., Engineering Manager

Vice President & Director of Technical Operations Stephen is responsible for oversight of all engineering projects and Research and Development efforts. As Director of Engineering for CCI, he is responsible for projects encompassing biological treatment of hazardous and non hazardous wastes, groundwater assessment, fate and transport of contaminants, wastewater treatment process optimization, permit application development (wastewater, solid/hazardous waste, non hazardous oilfield and air waste), and CERCLA site investigations. Stephen is a licensed engineer in Louisiana, Mississippi and Alabama. He received his Ph.D. from Syracuse University.


Karen E. Field, Ph.D., Technical/Scientific Analyst/Writer

Karen is our scientific data reduction analyst, and is responsible for data QA/QC, statistical analyses and technical writing. Karen received her Ph.D. in Biological Sciences, with a specialty in neurophysiology from LSU.

Ashley Leggitt, D.V.M., Environmental Scientist

Ashley is responsible for project execution as well as data collection and analysis.  She received her B.S in Animal Science in 2006 from Louisiana Tech University and her D.V.M. in 2010 from Louisiana State University. 

Dixie Gregory, Office Manager 

Dixie is the administrative manager, responsible for documentation and organization of projects. She has over 30 years of experience in professional management.