Greg Osborn

Denver Office Managing Partner, RubinBrown, LLP

Gregory Osborn is a partner of the Denver office and the Tax Practice Leader for the Denver office, as well as our official Resident Manager. He joined the firm in 1981 and has served as a partner since 1989. He serves clients primarily in the medical, manufacturing and distribution, real estate, not‐for‐profit and agricultural industries.


  • Corporate and individual taxation
  • Income Tax Consulting
  • Wealth Management
  • Estate and gift tax planning strategies
  • Retirement plan consulting and administration
  • Financial auditing
  • Healthcare Professionals Consultant
  • Entrepreneurial Services
  • Mergers and Acquisitions
  • Business Advisory Services
  • Family Office Services


  • S., Accountancy, University of Northern Iowa
  • Harvard Business School Executive Education, Leading Professional Service Firms


  • Member, Denver Rotary Club
  • Member, The Medical Study Group of Citywide Banks
  • Member, Pax Cristi Catholic Church
  • Member, Highlands Ranch Hot Rodders
  • Member, Colorado Concern
  • Member, Denver Metro Chamber of Commerce Board of Directors


  • Member, American Institute of Certified Public Accountants
  • Member, Colorado Society of Certified Public Accountants
March 7, 2018

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