Sean has practiced cultural resource management since 1996, and has served as the cultural resource manager for ERO since 2005.  He is responsible for all facets of cultural resource compliance, developing work plans, coordinating with clients and regulatory agencies, ensuring regulatory compliance and best practices, and maintaining quality assurance and control.  Sean has a broad range of Section 106 compliance experience including municipal water development, transportation, electrical transmission, vegetation management, land development, oil and gas development, mineral development, and Section 404 Clean Water Act compliance.  He is the primary lead for conducting Native American coordination and National Environmental Policy Act impact assessments.  Sean has served as principal investigatory on more than 500 projects with cultural resource components for clients such as the Federal Highway Administration, National Park Service, Bureau of Reclamation, Forest Service, Bureau of Land Management, Army Corps of Engineers, cities, counties, special districts, and engineering firms.

Nicole is a National Environmental Policy Act (NEPA) specialist and has experience in environmental consulting, hazardous materials management, and emergency response. Since 1997, she has prepared environmental documentation and coordinated activities under NEPA for multiple federal, state, and local agencies. Nicole has led NEPA projects from start to finish; performing NEPA compliance for a variety of projects such as water infrastructure, mining, transportation, and natural resource management.  Her training and experience also includes public involvement and meeting facilitation, and she has prepared transportation and visitor use plans and transportation master plans for federal, state, and local agencies. In addition, Nicole has managed cleanups at superfund sites and performed hazardous materials compliance activities.

Since 2010, Courtney has worked as an ecological biologist experienced in wetland delineations, vegetation mapping, aquatic and wildlife research, threatened and endangered species surveys, and habitat evaluations.  She has conducted biodiversity surveys, water quality sampling and analysis, and has a wide-ranging background in implementing conservation practices for several species. She is knowledgeable in federal and state regulations and programs, including the Endangered Species Act (ESA), Clean Water Act (CWA), State Aquatic Nuisance Species (SANS), and Boreal Toad Conservation Plan.

Jonathan brings a decade of cultural resources experience to help special districts, local governments, and developers address cultural resource permitting requirements and due diligence.  By conducting cultural resource surveys during planning phases or in anticipation of development, clients have been able to avoid costly redesign and delays.

Clint is a natural resource specialist with 18 years of experience in wetland delineations, vegetation mapping, habitat evaluation, and threatened and endangered species surveys for road construction projects, residential developments, oil and gas developments, water resource projects, and recreation plans. He has experience with water and soil sampling and analysis and a broad background in biological resources. Clint is experienced in Endangered Species Act (ESA) compliance, natural resource impact evaluations, and environmental permitting. He is especially knowledgeable in North American herpetology and has performed several field studies of reptile populations in the Rocky Mountain region, western United States, and Mexico.