Ryan Stifter

Senior Economist Director, Economics & Complex Analytics


ContacT Information

Phone: (415) 967-6000

Email: rstifter@rouxinc.com

Location: Oakland, CA


Valuation of the Environment and Natural Resources

Natural Resource Damages Assessment (NRDA)

Damages Analysis (Commercial, Economic, Crop, Real Estate)

Regulatory Impact Assessment and Enforcement

Decision Support Modeling

Benefit-Cost Analysis

Survey Research

Data Management and Analytics

Class Action

Litigation Support


M.S., Agricultural and Resource Economics - University of California, Davis

B.S., Managerial Economics - University of California, Davis

Ryan Stifter

Senior Economist Director, Economics & Complex Analytics

Mr. Stifter combines expertise in applied economics, statistics, and finance to provide consulting, litigation support, regulatory, and expert witness services in the areas of the environment, natural resources, agriculture, energy, climate change, and sustainability. He has supported, managed, and led numerous quantitative consulting studies relating to damages, valuation of the environment and natural resources, regulation, natural resource management, and liability exposure, as well as antitrust, class certification, and discrimination. Mr. Stifter’s expertise in damages analysis supports attorneys and insurers with commercial, crop, and real estate damage claims. His valuation expertise supports responsible parties (RP), legal counsel, and insurers with natural resource damage assessments (NRDA) and related matters across the United States. Mr. Stifter supports the regulated community quantify costs, benefits, and effectiveness of federal and state legislative policies, and rule-makings governing air, water, waste, species, and determining appropriate penalties for regulatory violations. Public and private entities have relied on Mr. Stifter’s insights into the economic value trade-offs of alternative approaches to natural resource management and he regularly develops custom decision analytics models for complex decisions involving uncertainty in economic, environmental, human health, legal, and safety decision criteria in the context of litigation, regulatory matters, transactions, investments, and financial planning.

representative projects
  • Real Estate Damages from Environmental Stigma: Testifying expert on behalf the defendant. Developed econometric models to evaluate sources of declines in property values following chemical applications at a nearby trophy trout fishery and water supply reservoir. Provided trial testimony resulting in a defense verdict.
  • Clean Water Act Penalty: Testifying expert on behalf of the violator. Conducted forensic economic and financial analysis to determine the appropriate penalty for wetlands impacts violating Clean Water Act Section 404. Authored an affirmative and rebuttal expert report. The matter settled prior to testimony.
  • Natural Resource Damages (NRD) from Marine Oil Spill: Advised the RP on human use damages including quantifying the lost value of coastal recreation, developing service and monetary valuations of early restoration projects, forecasting liability under alternative assumptions and survey data sources, and managing a multi-year survey research and data integration project. RP and Trustee parties settled the claim.
  • NRD from PCB Releases into Wetlands Habitat: Advised the RP on issues with the Trustees’ habitat equivalency analysis (HEA), quantifying ecological damages from PCB contamination. Developed analysis supporting expert testimony pending in state court.
  • Crop Damages from Herbicide Overspray: Consulting expert for insurance company. Developed economic model of almond price formation and determined appropriate yield curves to estimate lost income from destruction of young almond trees. Findings were incorporated into deposition testimony and the matter reached settlement.
  • Damages from Breach of Commodity Supply Contract: Consulting expert for sugar refiner and distributor. Determined lost profits from failed raw sugar deliveries and conducted statistical analysis to determine if changes in future prices triggered a non-performance clause in the contract. Findings supported deposition and arbitration testimony, resulting in a favorable judgment.
  • Cost and Benefits of the Waters of the United States Rule: Evaluated Environmental Protection Agency (EPA)/United States Army Corps of Engineers (USACE)-estimated costs and benefits associated with incremental protections for areas proposed as “Waters of the United States” as it is used in the Clean Water Act, and presented the findings in a white paper submitted to the administrative record by a regulated mining company.
  • Effectiveness of the State of Washington Clean Air Rule: Quantified the net global reduction in greenhouse gas (GHG) emissions if the steel industry in the State of Washington complied with the proposed declining cap on annual CO2 emissions. Client and legal counsel relied on the study in the legislative hearing process that overturned the proposed rule.
  • Asset Retirement Obligation Forecast: Developed a custom model forecasting future net costs of reclaiming land in renewable energy infrastructure to inform the client’s financial assurance planning and communications.
  • Hydroelectric Dam Operations Analysis: Quantified the economic value of surface water deliveries for multiple uses, with emphasis on livestock industries, within water districts operating the hydroelectric project as the basis for and evaluating the economic impact of changes in instream flow requirements as part of the districts’ application with the Federal Energy Regulatory Commission (FERC).
  • Confidential matter involving evaluation of the civil penalty associated with wetland impacts at an agricultural property (2018).

  • Ira A. Adams, et al. v. State of California, acting by and through the Department of Fish & Game (2018) (Individuals Phase) Superior Court of California, County of Plumas, Case No. CV09-00065, Deposition Testimony, Trial Testimony, Jury Verdict.

  • Ira A. Adams, et al. v. State of California, acting by and through the Department of Fish & Game (2015) (City of Portola Phase) Superior Court of California, County of Plumas, Case No. CV09-00065, Deposition Testimony, Trial Testimony, Jury Verdict.