Leadership Team

Mark L. Nachbar
Mark L. Nachbar
Principal
630.515.0477

PRIVATE SECTOR EXPERIENCE
Current

  • Principal, Ryan, Chicago office
    – Specializes in providing multi-jurisdictional income tax and credit
       and incentive services.

Previous

  • National Managing Director, national tax consulting firm
  • National Managing Director, national business services firm
  • Partner, national accounting firm

PUBLIC PRESENTATIONS

Mr. Nachbar lectures on various tax topics for the following organizations:
  • Chicago Tax Club
  • Counsel on State Taxation
  • Illinois Taxpayer Federation
  • Institute for Professionals in Tax
  • Interstate Tax Corporation
  • Ohio Manufacturers Counsel
  • Stafford Publications
  • Tax Executives Institute

PROFESSIONAL AFFILIATION

  • Center for Multistate Taxation – University of Wisconsin, Milwaukee
    – Advisory Board Member
  • Journal of State Taxation 
    – Advisory Board Member
  • Multistate Corporate Tax Guide
    – Advisory Board Member
  • Tax Management, Inc.
    – Multistate Tax Advisory Board Member

    EDUCATION/ACCREDITATION

    • Juris Doctor Degree, University of Illinois, Licensed in Illinois
    • Bachelor of Science Degree, Management, Tulane University
    • Certified Public Accountant (CPA), Certified in Illinois
    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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