Key Staff

Environmental Science and Planning Program

Eric Johnson | Senior Environmental Project Manager

Education | BS Range Ecology and MPCD Planning and Community Development

Mr. Johnson has 24 years of experience in the environmental field with extensive emphasis on projects that adhere to NEPA. He has prepared categorical exclusions, EAs, and EISs for infrastructure and transportation projects.  He is experienced in collecting data and analyzing impacts to resources such as geology, soils, biology, socioeconomics, environmental justice, land use, recreation, visual resources, hazardous materials, and cumulative impacts. He also evaluates properties for effects from hazardous materials and documents the findings in Phase I Environmental Site Assessment documents. Mr. Johnson is proficient in agency coordination and public involvement and routinely organizes and conducts public involvement meetings and formal public hearings.  He is fluent in Spanish and frequently translates handouts into Spanish and has run several meetings in Spanish as well.  Mr. Johnson is certified through the American Institute of Certified Planners (AICP) and is a Certified Hazardous Materials Manager (CHMM). He has received training in Land Use Planning, Transportation, and Hazardous Materials Management. Certifications: AICP, CHMM.

Natural Resources Program

Paul Knight | Natural Resources Program Manager

Education | BS Biology and MS Botany

Mr. Knight serves as Natural Resources Program Manager and has 40 years of experience in biological, ecological, and wetland studies; regulatory compliance; and project management.  His expertise includes detailed knowledge of plant and animal communities and species composition including habitat requirements for a variety of state, federal, and Navajo threatened and endangered species.  He is also a former member of the Federal Recovery Team for threatened and endangered species within New Mexico and Arizona.  He has authored hundreds of biological assessments, evaluations, and technical reports.  Mr. Knight maintains successful working relationships with all of the agencies as well as numerous tribal entities throughout the state, including extensive experience with the Navajo Nation’s regulatory agencies.  He also has extensive experience in wetland determinations and delineations and has completed hundreds of wetland studies and reports that have been accepted by the USACE. 

Heather Parmeter | Project Manager/Biologist/Water Resources Lead

Education | BS and MS Biology

Ms. Parmeter serves as Project Manager, Biologist, and Water Resources Lead and has over 15 years of experience in biological resources (fisheries and general biology) and environmental project management.  She authors and reviews biological and environmental reports, conducts field surveys, assesses habitat suitability for protected species, and provides recommendations for avoidance or mitigation of impacts to sensitive resources.  Ms. Parmeter manages NEPA compliance processes, organizes public involvement efforts, and leads Marron’s CWA section 404/401 permitting work.  She prepares individual permit applications and associated documents, nationwide permit preconstruction notifications, and assists clients with the identification of appropriate nationwide permit coverage.

Cultural Resources Program

Toni Goar | Cultural Resources Program Manager

Education | BS Anthropology and MA Historical Archaeology

Ms. Goar is the firm’s Cultural Resources Program Manager and has more than 20 years of experience in archaeology.  She manages ongoing projects and Cultural Resources personnel, oversees report completion, and writes treatment plans.  Ms. Goar also provides field supervision of small and large-scale projects, laboratory supervision, and artifact analyses.  She has also completed a number of private and governmental assessments requiring NHPA Section 106 consultation.  As a permitted historian, Ms. Goar routinely inventories buildings and records their information on Historic Property Inventory (HCPI) forms.  She has conducted archaeological excavations (testing and data recovery), cultural resource surveys, cultural resource monitoring projects, historical investigations, archival research, public outreach projects, and completion of National Register of Historic Places nominations.  She holds professional registrations/certifications from BLM Lands in Southwest Texas, State Trust Lands in New Mexico and Arizona, Navajo Nation, USFS Lands in New Mexico and Arizona, and BIA.

GIS and UAV ProgramS

Marcel Browne | GIS Specialist | Licensed UAV (Drone) Pilot

Education |BA English and Spanish | GIS Certificate Program | UAV Certificate

Mr. Browne serves as Marron’s lead GIS and IT Specialist and UAV (Drone Pilot).  With more than fifteen years of experience in GIS, he works with clients to recommend GIS strategies, database management, data analysis, data entry, digitization, QA/QC processes, and cartographic plotting.  He has experience working with city-, county-, and state-level data related to planning, transportation, natural resources, mining, and utilities. He routinely works with engineers, biologists, surveyors, and planners throughout the project process and is responsible for coordinating the delivery of all GIS and AutoCAD data to clients.  Mr. Browne’s software experience includes ArcGIS 10.x, AutoCAD, Trimble Insphere, Trimble TerraFlex, Terrain Navigator, MS Office, Adobe Illustrator, and Adobe Photoshop.  He also works with various GPS and UAV systems.

Darryl Del Frate | GIS Specialist

Education | A.A. Anthropology | A.A.S. Geographic Information Technology

Mr. Del Frate serves as the GIS Specialist for the Cultural Resources Program. He has more than eight years of experience as a GIS professional. During that time, he has managed geospatial data for hundreds of environmental and transportation planning projects, with a focus on cultural resource management. Mr. Del Frate is experienced in database management, data entry, data conversion (e.g. ESRI .shp to AutoCAD .dwg), data analysis, digitization, and the cartographic production of professional quality maps for a variety of different documents. During the past 5 years, he has also done extensive work as a field technician on archaeological/built environment surveys and data recovery/excavation projects. Mr. Del Frate is experienced with data collection equipment, including the use of Trimble GPS units operating Terrasync/Terraflex or ArcGIS Collector software, as well as Topcon total station units.