Jim has more than 30 years of experience providing valuation, economic consulting, and litigation support services to public and private companies, investment firms, and law firms. He is a certified appraiser in oil and gas operations, and his specific expertise includes oil and gas reserve valuation and machinery and equipment valuation for clients in the energy industry. Jim’s valuations have supported purchase price allocations; federal, state, and international tax structuring; estate planning; mergers and acquisitions; bankruptcies; financial reporting and tax matters; insurance; fairness opinions; solvency; litigation purposes; and damage estimation.

Jim has also served as expert witness in courts of law, including US Federal and US Bankruptcy courts, and before the IRS and state tax appeals boards. He has worked in more than 30 countries serving clients that include global and domestic oil and gas companies, onshore and offshore drillers, royalty trusts, oilfield service companies, upstream and midstream MLPs, independent refiners, petrochemical companies, ethanol and ammonia manufacturers, power companies, mining companies, hedge funds, and private equity firms.

Prior to joining Moss Adams, Jim worked for a global consulting firm and led global oil and gas valuations for a Big Four firm. He has also worked in oil and gas drilling and production operations, including four years at Texaco.

External Publications

  • "Counterpoint: Why the Oil Price Malaise May Not Change Anytime Soon" (Oil & Gas 360, May 2017)
  • "Price Downturn Results in Unprecedented Writedowns" (Oil & Gas Financial Journal, September 2016)
  • "Tips for Effectively Managing Through the Oil and Gas Price Rollercoaster" (Hein & Associates Knowledge Link, 2015)
  • "Oil and Gas Valuation Discounts" (Hein & Associates Knowledge Link, 2015)
  • "Monte Carlo Simulation: Probabilities and Sensitivity Analysis in Oil and Gas Valuation" (Canadian Institute of Chartered Business Valuators, 2003)

Selected Speaking Engagements

  • Valuation of Asset Retirement Obligations
    (ASA Houston Chapter, 2020)
  • Oil Prices and the Effect of the USD
    (NAPE Annual Conference – Finance and Economics, 2019)
  • Valuation of Petroleum Terminals
    (International Liquid Terminal Association, 2019)
  • Valuation of Oil and Gas Reserves
    (ASA Advanced Business Valuation and International Appraisers Conference, 2019)
  • New Tax Rates and Effect on Discount Rates and Values
    (Western States Petroleum Association Annual State and Local Tax Conference, 2018)
  • Oil & Gas Equities
    (Society of Petroleum Resources Economists Annual Reserves and Resources Conference , 2018)
  • Valuation of Oil and Gas for Tax Purposes
    (2017 AICPA Oil & Gas Conference Annual Meeting, November 2017)
  • Oil & Gas Update
    (Gardere Wynn & Sewell Energy Meeting , 2017)
  • What’s That Light at the End of the Tunnel?
    (Ft. Worth Society of Petroleum Engineers Monthly Meeting, 2017)
  • Energy Equities in Price Rollercoaster
    (Denver Energy Finance Discussion Group Monthly Meeting, 2017)
  • Oil Price Outlook
    (Houston Private Equity Association Monthly Meeting, 2017)
  • Equities and Oil Price Outlook
    (American Society of Appraisers Annual Energy Valuation Conference, 2016)
  • Oil and Gas Reserves and Value Trends
    (Society of Petroleum Engineers Annual Mergers, Acquisitions and Divestiture Symposium, 2016)
  • Oil and Gas Equities and Market Drivers
    (American Society of Appraisers Quarterly Chapter Luncheon, 2016)
  • Reserves and Fair Market Value
    (Tulane Club of Houston Quarterly Meeting, 2016)
  • A Look at Oil Prices and Market Drivers
    (University of Tulsa, Society of Petroleum Engineers, 2016)
  • Oil and Gas Asset Valuation
    (2016: EUCI Instructor 8 hour course, 2016)
  • Oil & Gas: From Rock to Bank
    (National Association of Certified Valuators and Analysts Annual Conference, 2015)
  • Oil and Gas Solvency Opinions
    (12th Annual International Bankruptcy Law Seminar Annual Conference - Bali, 2015)
  • Oil Price Malaise – What’s that light at the end of the tunnel?
    (Denver Energy Finance Group, 2015)
  • Oil & Gas Year-End Review and Outlook
    (Louisiana Energy Executive Summit Annual Conference Panelist, 2015)
  • Oil and Gas Equities, Insolvency and Redeterminations
    (Petroleum Accountants Society of Houston, 2015)
  • Valuation in Acquisitions and Divestitures
    (2014: Financial Executives Institute of Houston, 2014)

Professional Affiliations

  • Member, American Institute of Certified Public Accountants
  • Member, Society of Petroleum Engineers
  • Senior Member, American Society of Appraisers


  • BS, geology, Fort Hays State University
  • MBA, LeTourneau University

Insights from Jim Harden