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John D. Glenn

John D. Glenn Photo
John D. Glenn


John Glenn, President and Managing Director of The Mentor Group, is experienced with all types of valuations and asset appraisals. A recognized expert in gift and estate taxes, he frequently speaks on these and other technical valuation issues.

He has assisted clients in nearly every type of business valuation and real estate appraisal, from fairness opinions and solvency letters to investment values. Engagements have included discounting studies for minority interests held in FLP’s, LLC’s, and undivided fractional interests held in real estate. Other valuations involved restricted stock studies, key man discount analyses, bulk sale discounts, allocation of purchase price, divestiture, stock/partnership capital interests, tax-free exchanges, public offerings, ESOP, recapitalizations, litigation support, eminent domain, goodwill, and others.

Prior to joining The Mentor Group, Inc., Mr. Glenn had numerous years of experience as a Vice President of two national appraisal firms, Arthur D. Little Valuation, Inc. and Marshall & Stevens. He was also the Director of Valuation Services at Touche Ross. Prior to focusing on the valuation industry, Mr. Glenn had been Chief Operating Officer with a large Los Angeles based real estate company. He also spent many years in the banking industry with Bank of America, Union Bank, and Imperial Bank.


  • BA, Boston University
  • BA, Psychology/History, The University of Redlands

Professional Affiliations

  • Institute of Property Taxation
  • Association for Corporate Growth
  • Member of various Board of Realtors
  • Desert Estate Planning Council
  • National Association of Corporate Real Estate Executives
  • Inland Empire Economic Partnership
  • Lead speaker at numerous seminars on allocation of purchase price and estate tax valuations