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Leadership Team

Leslie S. Hahn
Leslie S. Hahn
Principal
313.230.0104

PRIVATE SECTOR EXPERIENCE
Current
  • Principal, Ryan, Detroit office
    –  Specializes in providing transaction tax consulting services to the
        manufacturing and automotive industries.
    • Board of Directors, Professional Development Committee, Ryan
      –  Responsible for the administration and development of Ryan’s
          internal technical training courses.
      • Seventeen years experience in transaction tax, covering a broad range of commercial and industrial sectors, including retail, wholesale, professional services, contracting, government contracting, and manufacturing.
      • Seven years of concentration in the automobile manufacturing industry.

      Previous
      • Senior Manager, State and Local Tax Services, national
        accounting firm
      • Manager, Sales and Use Tax, regional accounting firm

      PUBLIC SECTOR EXPERIENCE
      Previous
      • Tax Commissioner Agent, State of Ohio Department of Taxation, Sales and Use Tax Division

      PUBLIC PRESENTATIONS
      Ms. Hahn lectures on various tax topics for Ryan clients and various professional organizations.

      PROFESSIONAL AFFILIATIONS
      • Institute for Professionals in Taxation
      • Ohio Board of Accountancy

      EDUCATION/ACCREDITATION
      • Bachelor of Arts Degree, Accounting, Mount Union College
      • Certified Member of the Institute (CMI), Institute for Professionals in Taxation
      • Certified Public Accountant (CPA), Licensed in Ohio
      Michigan Considers Eliminating Personal Property Tax.
      While campaigning to become the Governor of Michigan, candidate Rick Snyder proposed to eliminate the business personal property tax because he felt that it was... >More

      Indiana Supreme Court Upholds Use Tax on Promotional Items Mailed to Residents.
      In Indiana Department of State Revenue v. AOL, LLC, the Indiana Supreme Court (“Court”) recently reversed a Tax Court decision and held an out-of-state online... >More


      Ryan Announces Approval of United States Patent for Innovative Method and System for Extracting Information from Electronic Data Sources.
      Ryan, a leading global tax services firm with the largest indirect tax practice in North America, today announced that the Firm’s application for a U.S.... >More

      Travis County District Judge John Dietz Reverses His Prior Ruling That “Below-Ground” Equipment Used in Processing of Oil and Gas Qualifies for Texas Manufacturing Exemption.
      Ryan, a leading global tax services firm with the largest indirect tax practice in North America, today announced that a dispute between Southwest Royalties, Inc.... >More
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