Gretchen Greene, Ph.D.

Principal Economist

Dr. Gretchen Greene has over 20 years of diverse economics experience in natural resource, energy, agricultural, and community economics. She has worked with numerous federal, state, tribal, and municipal agencies, as well as private industrial clients and law firms.


Gretchen's areas of focus:

  • public infrastructure investment

  • ecosystem service valuation

  • Natural Resource Damage Assessment (NRDA)

  • water demand and management

  • cost-benefit analysis

  • cultural economics

  • air quality regulation

  • mining and extractive industries

  • public outreach and facilitation

  • demand for recreation

  • regulatory review

  • regional economic impact analysis

  • recycling and solid waste management

  • habitat and sensitive species economics

  • sustainable economic development

  • demographics, socioeconomics, and environmental justice

  • decision analysis with uncertainty

  • survey design, econometrics, and data analysis.


She earned a Ph.D. and master's degree in Food and Resource Economics from the University of Florida and a bachelor's degree from Wellesley College.


Jeri Sawyer

Principal Economist

Jeri Sawyer is a principal economist with more than 25 years of experience providing agricultural, energy, and natural resource economic analysis. She has worked both for and with public and private sectors throughout her career.


Jeri’s areas of focus:

  • socioeconomic impact analysis

  • regional economic impact analysis

  • demographic forecasting

  • water demand forecasting

  • regional economic forecasting

  • energy demand forecasting

  • energy economic analysis

  • water economic analysis

  • health economic analysis

  • agricultural economic analysis

  • PIA analysis

  • cost-benefit analysis

  • recreation analysis

  • recycling and solid waste management

She earned a master’s degree in Economics from Portland State University and received her bachelor’s degree in Agricultural Economics from Washington State University, Pullman.


Rabia Ahmed

Principal Economist

Rabia Ahmed is an environmental and development economist with over 16 years of experience internationally in community and social assessment, policy and regulatory economics, economic modeling, public outreach, survey design and analysis, water and natural resource economics, and litigation support.

Rabia's areas of focus:

  • policy and regulatory economics

  • environmental economics

  • socioeconomic and environmental justice impact analysis

  • NEPA/SEPA/CEQA compliance

  • Endangered Species Act compliance

  • cost-benefit analysis

  • Natural Resource Damage Assessments (NRDA)

  • community/social assessment

  • public outreach and facilitation

  • survey design, econometrics, and data analysis

  • water rights assessment

  • water demand analysis

  • valuation of ground and surface water

  • water supply security analysis

  • impact analysis/assessment

  • public infrastructure investment

  • economic modeling

  • litigation support


She currently serves on the boards of Women in Environment and the American Water Resources Association—Washington Section.


She earned a master’s degree in Economics from Portland State University and received her bachelor’s degree in Economics and Statistics from Punjab University, Pakistan.

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