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Karen S. Yingst, CPA, MBA, MST

Tax Manager

Ms. Yingst is a tax manager with CBM-Councilor, Buchanan & Mitchell, P.C.  She has more than 30 years of accounting experience, with specialties in the real estate and food service industries, and in the accounting for and taxation of partnerships and limited liability companies.

Prior to joining CBM, Karen managed her own accounting practice, providing a full range of accounting, tax, and financial services to individuals and privately owned businesses.

She has extensive experience in the real estate industry with both public accounting firms and a real estate investment company where she was Vice President for Asset Management.  Karen has also taught accounting courses at the University of Maryland.

Professional Qualifications and Education

  • Certified Public Accountant, Maryland
  • Bachelor of Arts in Economics, Dickinson College
  • Masters of Business Administration in Finance, University of Maryland
  • Masters of Science in Taxation, American University

Professional Associations and Activities

  • American Institute of CPAs
  • Maryland Association of CPAs


  • Study Results comparing D.C. Business Tax Rates with those of Maryland & Virginia – Co-authored and co-presented findings with Robert Aceituno, CPA, MBA, MST to the D.C. Tax Revision Commission