F. Bruce Brown, MS

Principal/Natural Resource Economist

Mr. Brown is a resource economist with more than 40 years of professional experience. He specializes in the economic, financial, social, and land components of natural resource development projects. His areas of expertise include the analysis of economic and financial influences and effects, Environmental Assessments and Environmental Impact Statements, and the identification and evaluation of beneficial and adverse impacts to population, employment, fiscal budgeting, and local and regional economies. Mr. Brown conducts single- and multi-purpose water resource project investigations (irrigation, power, flood control, recreation, municipal, and industrial water), identifies potential uses, and analyzes beneficiary payment capacity, cost allocations, and project repayment schedules. He has worked on projects throughout the western United States and in more than 25 foreign countries, where he assisted government agencies and international lending institutions. Mr. Brown has provided expert witness testimony in a court of law.


William E. Davis, MS

Principal/Fisheries and Water Quality Biologist

Mr. Davis is a fisheries/aquatic biologist and water quality specialist with more than 40 years of experience. He has represented various resource agencies and user groups in protracted negotiations to achieve coordinated, cooperative conservation plans for sensitive fish and wildlife species throughout the Colorado River Basin and the West. Mr. Davis has managed Environmental Assessments, prepared permits, conducted field monitoring, and managed water quality planning and nonpoint source planning studies. He has played a key role in the development and implementation of various environmental laws and regulations, primarily in the field of water quality and aquatic habitat protection and enhancement, and has helped numerous clients achieve compliance with these laws and regulations. As part of these activities, Mr. Davis has conducted public participation and information programs, including public hearings, meetings, and workshops.


George A. Ruffner, PhD

Principal/Terrestrial Ecologist

Dr. Ruffner, an ecologist and project scientist with more than 30 years of experience, provides diverse yet comprehensive expertise in all aspects of environmental analysis and compliance, including work associated with the National Environmental Policy Act, Section 7 consultations, wetland delineations, permitting, mitigation planning, and other regulatory requirements. Dr. Ruffner has served as project manager or principal investigator on numerous environmental projects, biological assessments and evaluations, preconstruction surveys, construction monitoring programs, habitat assessments, and habitat restoration plans. Much of his project work has focused on water and growth-related issues of development. Dr. Ruffner has proven his ability to work effectively with environmental agencies and environmental interest groups to resolve issues of concern.


Ron van Ommeren, MS

Principal/Senior Environmental Planner

Mr. van Ommeren has more than 20 years of experience as a project manager, environmental regulatory specialist, and field/research biologist for projects in Arizona, California, Colorado, Montana, Nevada, New Mexico, Texas, and Utah. His experience has focused on evaluating impacts of projects on natural resources, including fish, wildlife, and plant species and communities, primarily in the context of Clean Water Act, Endangered Species Act, and National Environmental Policy Act compliance. Mr. van Ommeren’s expertise includes delineation of jurisdictional waters of the United States, including wetlands; assessment of habitat functions and values; preparation, implementation, and monitoring of habitat mitigation and monitoring plans; construction monitoring; Section 404 permitting; field surveys and habitat evaluations for special status plant and animal species; preparation of Biological Evaluations and Biological Reviews; preparation of Biological Assessments and completion of Section 7 consultations with the U.S. Fish and Wildlife Service; native plant and noxious weed inventories; and public scoping and preparation of Categorical Exclusions, Environmental Assessments, and Environmental Impact Statements.  He has managed many projects that have included some or all of these elements, as well as cultural resources, hazardous materials investigations, and other disciplines.