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John Henegar, CPA, CMA
Firm Tax Director

John Henegar

P 423.756.7100
F 423.756.2939

Chattanooga Office
Tallan Financial Center
Two Union Square, Suite 1100
Chattanooga, TN 37402





Bachelor of Science -
University of Tennessee at Chattanooga

Chattanooga Tax Practitioners

Licensed in Tennessee 


John Henegar is Decosimo's Firm Tax Director. He focuses on federal and state taxation for businesses and individuals. Prior to joining Decosimo, John served 12 years as an Internal Revenue Service field agent, and 12 as a corporate controller of a construction firm.

John works with a wide variety of businesses and high-net-worth individuals. Industries served include construction, real estate development, rental and leasing, hospitality services, wholesale, retail and technology.

He is a member of the American Institute of Certified Public Accountants (AICPA) and its tax section, as well as a member, past director and past treasurer of the Chattanooga Chapter of the Tennessee Society of Certified Public Accountants (TSCPA). He also has memberships with the Institute of Management Accountants and Chattanooga Tax Practitioners.

John is a member and past president of the Kiwanis Club of Chattanooga. He is a current board member of the Public School Bible Study Committee, First Things First and Chattanooga Chapter of American Red Cross. Past board memberships include Chattanooga Christian School, Chattanooga Goodwill Industries, Inc. and Community Reconciliation, Inc.

John earned a Bachelor of Science degree in Business Administration (Accounting) from the University of Tennessee at Chattanooga. He is a certified public accountant in the state of Tennessee and a certified management accountant.



Decosimo is an independently owned and operated member firm of both the Moore Stephens North America (MSNA) association of member firms and the Moore Stephens International Limited (MSIL) network of member firms.  Neither MSNA nor MSIL provide services to clients.  Decosimo is a separate and distinct legal entity, subject to the laws and professional regulations of the jurisdictions in which it operates, and is not authorized to obligate or bind MSNA, MSIL, or any other member firm of MSNA or MSIL.  Decosimo is liable only for its own acts or omissions and not those of any other person or entity including MSNA, MSIL and other member firms of MSNA and MSIL.