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Charlotte, North Carolina

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Service Experience
  • Advisory
  • Finance modernization

Mike Hennessey




Executive summary

Mike Hennessey is a Principal in the CFO Advisory practice of Grant Thornton located in Charlotte, NC. Mike focuses on Finance Modernization, FP&A and Cost & Performance Improvement.


Mike is a former CFO with 20 years of diverse experience, including work in professional services and the private sector. With experience domestically and internationally, Mike has focused on providing sound financial leadership and guidance to enable entities to maximize shareholder value. Working collaboratively with his clients, Mike helps keep your finance function moving forward to evolve from traditional transaction and reporting to more efficient, analytical and data-driven processes so it can provide timelier insights to decision-makers to drive strategy and meet business objectives. This includes Finance Assessment / Diagnostic, End to End or Targeted Process Optimization, Operating Model Design, and ERP Modernization and Data Quality Analysis.


Mike has provided expertise across the Office of the CFO to clients in numerous industries, including but not limited to the following:


Energy, Oil & Gas Production and Distribution, Professional Services & Government Contracting, Wine & Spirits Distribution and Marketing and Medical & Dental Equipment and Supplies and Healthcare IT.




Professional Qualifications

  • Mike was a Certified Public Accountant in the state of New York and remains a member of the American Institute of Certified Public Accountants. Mike is currently the Treasurer of the Board for a national Not-For-Profit located in Charlotte, NC.



  • BBA - Accounting - Siena College


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