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
British Columbia Introduces Legislation to Return to PST
On May 14, 2012, Finance Minister Kevin Falcon introduced Bill 54, The Provincial Sales Tax Act, to return British Columbia to Provincial Sales Tax (PST),... >More

Manitoba Information Bulletin No. 061, “Insurance”
As announced in the provincial budget, certain contracts of insurance will be subject to the 7% Manitoba Retail Sales Tax (“RST”), effective July 1, 2012. ... >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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